Genuine 2003 GMC Sierra Body Wiring Harness Connector

29 Body Wiring Harness Connectors found

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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%)

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  Product Specifications

  • Other Name: CONNECTOR, Windshield Washer
  • Replaces: 12102747
  • Item Weight: 0.70 Pounds
  • Item Dimensions: 12.7 x 8.2 x 1.1 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
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  2003 GMC Sierra Connector, W/Leads, 4-Way F. *Black *Math Data

  Part Number: 12102900

  $39.40 MSRP: $74.34

  You Save: $34.94 (47%)

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  Product Specifications

  • Other Name: CONNECTOR, Chassis Electrical; Connector, Wire Connector
  • Item Weight: 0.50 Pounds
  • Item Dimensions: 9.4 x 4.9 x 0.6 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 12102900
  • 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
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  2003 GMC Sierra CONNECTOR KIT,WRG HARN *BLACK

  Part Number: 19368713

  $24.53 MSRP: $44.00

  You Save: $19.47 (45%)

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  Product Specifications

  • Other Name: Connector
  • Replaces: 12101825, 13583033, 21022276
  • Item Weight: 0.70 Pounds
  • Item Dimensions: 13.3 x 5.0 x 1.0 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 19368713
  • 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 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 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 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 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
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  2003 GMC Sierra CONNECTOR KIT,WRG HARN *BLACK

  Part Number: 19368864

  $32.83 MSRP: $61.94

  You Save: $29.11 (47%)

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  Product Specifications

  • Replaces: 12126486
  • Item Weight: 0.40 Pounds
  • Item Dimensions: 7.3 x 4.7 x 0.9 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 19368864
  • 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
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  2003 GMC Sierra CONNECTOR KIT,WRG HARN

  Part Number: 19368034

  $25.37 MSRP: $47.86

  You Save: $22.49 (47%)

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  Product Specifications

  • Replaces: 21022284, 12116958, 15306302
  • Item Weight: 1.20 Pounds
  • Item Dimensions: 8.2 x 6.1 x 1.1 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 19368034
  • 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
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  2003 GMC Sierra Connector,Wiring Harness

  Part Number: 12101898

  $26.70 MSRP: $50.38

  You Save: $23.68 (47%)

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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
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  2003 GMC Sierra Connector,Wiring Harness

  Part Number: 13584094

  $21.92 MSRP: $41.36

  You Save: $19.44 (47%)

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  Product Specifications

  • Other Name: CONNECTOR, Chassis Electrical
  • Replaces: 88988944, 88953153, 15326829
  • Item Weight: 0.30 Pounds
  • Item Dimensions: 13.1 x 5.1 x 1.1 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 13584094
  • 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
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  2003 GMC Sierra CONNECTOR KIT,WRG HARN

  Part Number: 19368669

  $30.56 MSRP: $57.66

  You Save: $27.10 (47%)

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  Product Specifications

  • Replaces: 12126473, 15306432, 88987969, 88988301, 12102748, 19301715
  • Item Weight: 1.20 Pounds
  • Item Dimensions: 3.7 x 3.7 x 1.1 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 19368669
  • 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 CONNECTOR KIT,WRG HARN *BLACK

  Part Number: 19367637

  $48.81 MSRP: $108.94

  You Save: $60.13 (56%)

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  Product Specifications

  • Other Name: Sensor Connector
  • Replaces: 88986255, 13580112, 88986452
  • Item Weight: 0.70 Pounds
  • Item Dimensions: 9.2 x 4.3 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
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  2003 GMC Sierra Connector Kit, Wiring Harness

  Part Number: 19301866

  $22.64 MSRP: $42.72

  You Save: $20.08 (47%)

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  Product Specifications

  • Other Name: CONNECTOR KIT; Connector, Socket
  • Replaces: 12101897
  • Item Weight: 0.70 Pounds
  • Item Dimensions: 12.7 x 8.5 x 1.1 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
• 

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  2003 GMC Sierra Connector,Inline, To Instrument Panel Harness

  Part Number: 19181245

  $4.57 MSRP: $8.20

  You Save: $3.63 (45%)

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  Product Specifications

  • Other Name: CONNECTOR, Chassis Electrical
  • Replaces: 15306122
  • Item Weight: 0.50 Pounds
  • Item Dimensions: 10.8 x 5.7 x 1.4 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 19181245
  • 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
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  2003 GMC Sierra Connector,Inflator, Inflator Restraint

  Part Number: 88987998

  $50.43 MSRP: $112.58

  You Save: $62.15 (56%)

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  Product Specifications

  • Other Name: CONNECTOR, Chassis Electrical
  • Replaces: 15306183, 15306363
  • Item Weight: 0.40 Pounds
  • Item Dimensions: 10.0 x 4.7 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
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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%)

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  Product Specifications

  • Other Name: CONNECTOR, Chassis Electrical
  • Item Weight: 0.50 Pounds
  • Item Dimensions: 15.6 x 10.1 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
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  2003 GMC Sierra Connector,Wiring Harness

  Part Number: 13584253

  $30.45 MSRP: $57.46

  You Save: $27.01 (48%)

  Ships in 1-2 Business Days

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  Product Specifications

  • Other Name: CONNECTOR, Chassis Electrical; Switch Assembly Connector
  • Replaces: 12059558, 12101827
  • Item Weight: 0.70 Pounds
  • Item Dimensions: 13.7 x 5.0 x 1.0 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 13584253
  • 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
• 

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  2003 GMC Sierra Connector,Inline, To Instrument Panel Harness *Black

  Part Number: 88988307

  $22.69 MSRP: $42.82

  You Save: $20.13 (48%)

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  Product Specifications

  • Other Name: CONNECTOR, Chassis Electrical
  • Item Weight: 0.30 Pounds
  • Item Dimensions: 3.1 x 2.6 x 1.1 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 88988307
  • 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, 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
• 

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  2003 GMC Sierra Connector, W/Leads, 7-Way M. *Gray *Gray

  Part Number: 12102490

  $44.50 MSRP: $83.96

  You Save: $39.46 (47%)

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  Product Specifications

  • Other Name: CONNECTOR, Chassis Electrical
  • Item Weight: 0.70 Pounds
  • Item Dimensions: 9.4 x 5.2 x 1.1 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 12102490
  • 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
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  2003 GMC Sierra Connector,Inline, To A/C Harness

  Part Number: 15306133

  $23.86 MSRP: $45.02

  You Save: $21.16 (47%)

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  Product Specifications

  • Other Name: CONNECTOR, Chassis Electrical
  • Item Weight: 0.30 Pounds
  • Item Dimensions: 5.1 x 13.3 x 1.0 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 15306133
  • 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
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  2003 GMC Sierra CONNECTOR KIT,WRG HARN *BLACK

  Part Number: 19368866

  $32.98 MSRP: $59.16

  You Save: $26.18 (45%)

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  Product Specifications

  • Replaces: 12101852
  • Item Weight: 0.50 Pounds
  • Item Dimensions: 9.4 x 5.6 x 0.6 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 19368866
  • 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 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 6.6L Diesel, 8 Cyl 8.1L
• 

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  2003 GMC Sierra Connector,Display, Instrument Cluster Head Up

  Part Number: 15326829

  $21.92 MSRP: $41.36

  You Save: $19.44 (47%)

  Ships in 1-2 Business Days

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  Product Specifications

  • Other Name: CONNECTOR, Chassis Electrical
  • Replaced by: 13584094
  • Item Weight: 0.30 Pounds
  • Item Dimensions: 13.4 x 5.1 x 1.2 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 15326829
  • 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
• 

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  2003 GMC Sierra Connector Asm,Ecm(Light Blue) *Blue

  Part Number: 12110206

  $7.55 MSRP: $9.81

  You Save: $2.26 (24%)

  Ships in 1-2 Business Days

  ADD TO CART
  Make sure this part fits, Select Vehicle

  Product Specifications

  • Other Name: CONNECTOR, Body Multifunction Electric Computer
  • Item Weight: 1.20 Pounds
  • Item Dimensions: 1.6 x 1.1 x 1.1 inches
  • Condition: New
  • Fitment Type: Direct Replacement
  • SKU: 12110206
  • 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