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Genuine 2003 GMC Sierra Chassis Wiring Harness Connector

Chassis Harness Connector
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85 Chassis Wiring Harness Connectors found

  • 2003 GMC Sierra Chassis Wiring Harness Connector - 88987993
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    2003 GMC Sierra Connector,Switch, Brake Fluid Level Indicator *Gray

    Part Number: 88987993
    $36.37 MSRP: $81.18
    You Save: $44.81 (56%)
    Ships in 1-3 Business Days
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    Product Specifications
    • Other Name: CONNECTOR, Computer Control Sensors
    • Replaces: 12101899, 12126469, 12046623, 15329175, 15306195, 88987978, 88987183
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 9.5 x 4.7 x 0.7 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 88987993
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.2L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 13587152
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    2003 GMC Sierra Connector Assembly, Wiring Harness *Black

    Part Number: 13587152
    $49.84 MSRP: $111.26
    You Save: $61.42 (56%)
    Ships in 1 Business Day
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    Product Specifications
    • Other Name: CONNECTOR, Chassis Electrical
    • Replaces: 15306241, 15326840
    • Item Weight: 0.40 Pounds
    • Item Dimensions: 2.1 x 2.0 x 1.0 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 13587152
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 EXTENDED CAB LONG BOX, 2500 REGULAR CAB | 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 15305887
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    2003 GMC Sierra Connector,Switch, Parking/Neutral Position

    Part Number: 15305887
    $78.55 MSRP: $175.32
    You Save: $96.77 (56%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: CONNECTOR, Transmission Safety Starting Switch Or Speed Sensing
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 9.5 x 4.8 x 1.1 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 15305887
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 15305857
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    2003 GMC Sierra Connector,Inline, To Trans Harness

    Part Number: 15305857
    $75.72 MSRP: $169.02
    You Save: $93.30 (56%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: CONNECTOR, Chassis Electrical
    • Replaces: 12110730, 12160493, 15306028, 12160492
    • Item Weight: 0.40 Pounds
    • Item Dimensions: 10.0 x 3.7 x 1.1 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 15305857
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 19167008
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    2003 GMC Sierra Connector,Block, Rear Lamp Wiring Harness Junction *Blue

    Part Number: 19167008
    $32.47 MSRP: $104.46
    You Save: $71.99 (69%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: CONNECTOR, Wiring Junction
    • Position: Rear
    • Replaces: 13585476, 15306114, 13587175
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 2.1 x 10.2 x 10.4 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 19167008
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 13585316
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    2003 GMC Sierra Connector Asm,Wiring Harness W/Leads *Black

    Part Number: 13585316
    $29.48 MSRP: $55.62
    You Save: $26.14 (47%)
    Ships in 1-3 Business Days
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    Product Specifications
    • Other Name: CONNECTOR, Distributor (also Knock Sensor)
    • Replaces: 13580870, 12085495, 88986451
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 9.5 x 3.6 x 0.6 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 13585316
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 13586114
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    2003 GMC Sierra Connector Asm,Wiring Harness W/Leads *Black

    Part Number: 13586114
    $26.03 MSRP: $49.12
    You Save: $23.09 (48%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: CONNECTOR, Windshield Washer
    • Replaces: 12102747
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 12.2 x 8.1 x 1.0 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 13586114
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.2L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 12085535
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    2003 GMC Sierra Connector, W/Leads, 2-Way F. *Black *Math Data

    Part Number: 12085535
    $19.02 MSRP: $35.88
    You Save: $16.86 (47%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: CONNECTOR, Chassis Electrical
    • Item Weight: 0.30 Pounds
    • Item Dimensions: 9.3 x 5.1 x 0.5 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12085535
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.2L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 12101937
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    2003 GMC Sierra Connector,Coil, A/C Clutch

    Part Number: 12101937
    $21.75 MSRP: $41.04
    You Save: $19.29 (47%)
    Ships in 1 Business Day
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    Product Specifications
    • Other Name: CONNECTOR, A/C Compressor Clutch Actuating; Coil Connector, Connector, Wire Connector
    • Item Weight: 0.40 Pounds
    • Item Dimensions: 9.6 x 5.5 x 0.5 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12101937
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 12167120
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    2003 GMC Sierra Connector, W/Leads, 2-Way M. *Black

    Part Number: 12167120
    $33.29 MSRP: $62.82
    You Save: $29.53 (48%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Chassis Electrical; Harness
    • Replaces: 12125649, 12162000, 12146134
    • Item Weight: 0.40 Pounds
    • Item Dimensions: 11.0 x 4.8 x 0.6 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12167120
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.2L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 12101856
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    2003 GMC Sierra Connector,Air Switch Valve(W/Leads) *Green

    Part Number: 12101856
    $25.48 MSRP: $48.09
    You Save: $22.61 (48%)
    Ships in 1 Business Day
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    Product Specifications
    • Other Name: CONNECTOR, Ambient Outside Air Temperature
    • Item Weight: 0.40 Pounds
    • Item Dimensions: 8.8 x 6.4 x 0.6 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12101856
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 19367637
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    2003 GMC Sierra CONNECTOR KIT,WRG HARN *BLACK

    Part Number: 19367637
    $33.85 MSRP: $108.94
    You Save: $75.09 (69%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: Sensor Connector
    • Replaces: 88986255, 13580112, 88986452
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 9.6 x 4.5 x 1.1 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 19367637
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 13580883
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    2003 GMC Sierra Connector Asm,Wiring Harness W/ Leads *Gray

    Part Number: 13580883
    $43.58 MSRP: $97.28
    You Save: $53.70 (56%)
    Ships in 1 Business Day
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    Product Specifications
    • Other Name: CONNECTOR, Ignition Coil
    • Replaces: 12102754
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 10.8 x 5.7 x 1.6 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 13580883
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 15306348
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    2003 GMC Sierra Connector,Inline, To Engine Harness

    Part Number: 15306348
    $84.52 MSRP: $188.64
    You Save: $104.12 (56%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: CONNECTOR, Chassis Electrical
    • Item Weight: 0.60 Pounds
    • Item Dimensions: 15.8 x 10.2 x 1.0 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 15306348
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 88987998
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    2003 GMC Sierra Connector,Inflator, Inflator Restraint

    Part Number: 88987998
    $50.43 MSRP: $112.58
    You Save: $62.15 (56%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: CONNECTOR, Chassis Electrical
    • Replaces: 15306183, 15306363
    • Item Weight: 0.40 Pounds
    • Item Dimensions: 10.3 x 4.5 x 0.6 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 88987998
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 88986245
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    2003 GMC Sierra Connector, W/Leads, 10-Way M. *Black *Black

    Part Number: 88986245
    $79.14 MSRP: $254.66
    You Save: $175.52 (69%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: CONNECTOR, Chassis Electrical
    • Item Weight: 1.30 Pounds
    • Item Dimensions: 5.2 x 10.4 x 1.0 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 88986245
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB | 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 12085212
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    2003 GMC Sierra Connector,Fuel Injection Pump Delivery Valve Wiring

    Part Number: 12085212
    $65.00 MSRP: $145.10
    You Save: $80.10 (56%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: CONNECTOR, Chassis Electrical
    • Item Weight: 0.40 Pounds
    • Item Dimensions: 5.1 x 10.4 x 1.0 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12085212
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 6.6L Diesel
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 12101898
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    2003 GMC Sierra Connector,Wiring Harness

    Part Number: 12101898
    $26.70 MSRP: $50.38
    You Save: $23.68 (47%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: CONNECTOR, Capsule/Headlamp/Fog Lamp; Connector, Socket
    • Item Weight: 0.40 Pounds
    • Item Dimensions: 8.9 x 4.8 x 1.7 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12101898
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.2L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 19301866
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    2003 GMC Sierra Connector Kit, Wiring Harness

    Part Number: 19301866
    $22.64 MSRP: $42.72
    You Save: $20.08 (47%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: CONNECTOR KIT; Connector, Socket
    • Replaces: 12101897
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 12.7 x 8.4 x 1.0 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 19301866
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.2L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 2003 GMC Sierra Chassis Wiring Harness Connector - 88988814
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    2003 GMC Sierra Connector,Fuel Injector

    Part Number: 88988814
    $30.56 MSRP: $57.66
    You Save: $27.10 (47%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Wiring Junction
    • Replaces: 15306160
    • Item Weight: 0.80 Pounds
    • Item Dimensions: 13.1 x 5.0 x 0.6 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 88988814
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 2003 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 8.1L
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2003 GMC Sierra Chassis Wiring Harness Connector

Achieve unprecedented performance experience with our genuine 2003 GMC Sierra Chassis Wiring Harness Connector. All our parts are engineered for a perfect fit and maximum durability to ensure that your Sierra returns to factory condition. Specially designed for the 2003 GMC Sierra, this Chassis Wiring Harness Connector offers superior reliability and ease of installation for anyone.

We are your prime source for competitively priced and high-quality OEM 2003 GMC Sierra Chassis Wiring Harness Connector. We provide you with parts that will allow you to save a lot of money without sacrificing quality. All our OEM parts are backed by the manufacturer's warranty and shipped out at a swift rate.

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2002 GMC Sierra Chassis Wiring Harness Connector 2004 GMC Sierra Chassis Wiring Harness Connector