×
Contact Us Live Chat or 1-888-737-9766
My Garage
My Account
Cart
Search Bar
Search by Part Number, Part Name, or Vehicle
Track Order Help Center

Genuine 2003 GMC Sierra Tail Light Connector

Tail Lamp Connector
  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Vehicle by Model
Make
Model
Year
or
Select Vehicle by VIN
For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

22 Tail Light Connectors found

  • 2003 GMC Sierra Tail Light Connector - 19167008
    View related parts

    2003 GMC Sierra Connector,Block, Rear Lamp Wiring Harness Junction *Blue

    Part Number: 19167008
    $31.62 MSRP: $101.72
    You Save: $70.10 (69%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Wiring Junction
    • Position: Rear
    • Replaces: 13587175, 13585476, 15306114
    • Item Weight: 0.60 Pounds
    • Item Dimensions: 2.1 x 10.2 x 10.2 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 Tail Light Connector - 88987993
    View related parts

    2003 GMC Sierra Connector,Switch, Brake Fluid Level Indicator *Gray

    Part Number: 88987993
    $35.41 MSRP: $79.04
    You Save: $43.63 (56%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Computer Control Sensors
    • Replaces: 15306195, 88987978, 88987183, 12046623, 12126469, 12101899, 15329175
    • Item Weight: 0.70 Pounds
    • Item Dimensions: 9.4 x 4.8 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 Tail Light Connector - 12085535
    View related parts

    2003 GMC Sierra Connector, W/Leads, 2-Way F. *Black *Math Data

    Part Number: 12085535
    $10.85 MSRP: $34.94
    You Save: $24.09 (69%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Chassis Electrical
    • Item Weight: 0.30 Pounds
    • Item Dimensions: 9.2 x 5.2 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 Tail Light Connector - 12117025
    View related parts

    2003 GMC Sierra Connector, W/Leads, 3-Way F. *Black

    Part Number: 12117025
    $34.03 MSRP: $64.20
    You Save: $30.17 (47%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Distributor (also Knock Sensor)
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 11.5 x 3.6 x 1.0 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12117025
    • 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 REGULAR CAB | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 2003 GMC Sierra Tail Light Connector - 13586114
    View related parts

    2003 GMC Sierra Connector Asm,Wiring Harness W/Leads *Black

    Part Number: 13586114
    $25.34 MSRP: $47.82
    You Save: $22.48 (48%)
    Ships in 1-2 Business Days
    ADD TO CART
    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
  • 2003 GMC Sierra Tail Light Connector - 13585316
    View related parts

    2003 GMC Sierra Connector Asm,Wiring Harness W/Leads *Black

    Part Number: 13585316
    $28.70 MSRP: $54.16
    You Save: $25.46 (48%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Distributor (also Knock Sensor)
    • Replaces: 12085495, 88986451, 13580870
    • Item Weight: 0.70 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 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 Tail Light Connector - 15305801
    View related parts

    2003 GMC Sierra Connector, W/Leads, 4-Way M. *Black *Math Data

    Part Number: 15305801
    $39.50 MSRP: $74.52
    You Save: $35.02 (47%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Computer Control Sensors; Oxygen Sensor
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 5.1 x 3.1 x 2.6 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 15305801
    • 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 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 | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 8.1L
  • 2003 GMC Sierra Tail Light Connector - 88988598
    View related parts

    2003 GMC Sierra Connector,Motor, Fuel Pump

    Part Number: 88988598
    $38.44 MSRP: $123.64
    You Save: $85.20 (69%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Computer Control Sensors
    • Replaces: 12167154, 15305876
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 13.7 x 5.0 x 0.8 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 88988598
    • 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 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 8.1L
  • 2003 GMC Sierra Tail Light Connector - 12167120
    View related parts

    2003 GMC Sierra Connector, W/Leads, 2-Way M. *Black

    Part Number: 12167120
    $32.41 MSRP: $61.16
    You Save: $28.75 (48%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Chassis Electrical; Harness
    • Replaces: 12125649, 12146134, 12162000
    • Item Weight: 0.40 Pounds
    • Item Dimensions: 10.9 x 4.6 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 Tail Light Connector - 15305887
    View related parts

    2003 GMC Sierra Connector,Switch, Parking/Neutral Position

    Part Number: 15305887
    $76.48 MSRP: $170.72
    You Save: $94.24 (56%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Transmission Safety Starting Switch Or Speed Sensing
    • Item Weight: 0.60 Pounds
    • Item Dimensions: 9.1 x 4.6 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 Tail Light Connector - 12102900
    View related parts

    2003 GMC Sierra Connector, W/Leads, 4-Way F. *Black *Math Data

    Part Number: 12102900
    $38.36 MSRP: $72.38
    You Save: $34.02 (47%)
    Ships in 1-2 Business Days
    ADD TO CART
    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
  • 2003 GMC Sierra Tail Light Connector - 19260086
    View related parts

    2003 GMC Sierra Connector Asm,Wiring Harness W/Leads

    Part Number: 19260086
    $48.81 MSRP: $108.96
    You Save: $60.15 (56%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: SOCKET, Tail Lamp; Socket, Socket Wire
    • Replaces: 88862200, 12159662
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 6.1 x 6.2 x 1.0 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 19260086
    • 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 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 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
  • 2003 GMC Sierra Tail Light Connector - 19368864
    View related parts

    2003 GMC Sierra CONNECTOR KIT,WRG HARN *BLACK

    Part Number: 19368864
    $31.97 MSRP: $60.32
    You Save: $28.35 (47%)
    Ships in 1-3 Business Days
    ADD TO CART
    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
  • 2003 GMC Sierra Tail Light Connector - 88987185
    View related parts

    2003 GMC Sierra Connector,Inline, To Battery Positive Cable

    Part Number: 88987185
    $54.81 MSRP: $103.44
    You Save: $48.63 (48%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Transmission Safety Starting Switch Or Speed Sensing
    • Replaces: 12450002, 12167139, 15305925
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 9.8 x 5.4 x 1.1 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 88987185
    • 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 Tail Light Connector - 19368859
    View related parts

    2003 GMC Sierra CONNECTOR KIT,WRG HARN

    Part Number: 19368859
    $29.75 MSRP: $56.14
    You Save: $26.39 (48%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Replaces: 19303740, 88988118, 13584479, 12101763, 13587166
    • Item Weight: 0.30 Pounds
    • Item Dimensions: 3.4 x 3.2 x 2.9 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 19368859
    • 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
  • 2003 GMC Sierra Tail Light Connector - 12085485
    View related parts

    2003 GMC Sierra Connector,Lamp, Fog

    Part Number: 12085485
    $19.37 MSRP: $34.71
    You Save: $15.34 (45%)
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR
    • Item Weight: 0.50 Pounds
    • Item Dimensions: 9.4 x 5.1 x 1.1 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12085485
    • 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 8.1L
  • 2003 GMC Sierra Tail Light Connector - 13584094
    View related parts

    2003 GMC Sierra Connector,Wiring Harness

    Part Number: 13584094
    $21.35 MSRP: $40.28
    You Save: $18.93 (47%)
    Ships in 1-2 Business Days
    ADD TO CART
    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
  • 2003 GMC Sierra Tail Light Connector - 19367637
    View related parts

    2003 GMC Sierra CONNECTOR KIT,WRG HARN *BLACK

    Part Number: 19367637
    $47.52 MSRP: $106.08
    You Save: $58.56 (56%)
    Ships in 1-2 Business Days
    ADD TO CART
    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
  • 2003 GMC Sierra Tail Light Connector - 13584253
    View related parts

    2003 GMC Sierra Connector,Wiring Harness

    Part Number: 13584253
    $29.65 MSRP: $55.94
    You Save: $26.29 (47%)
    Ships in 1-2 Business Days
    ADD TO CART
    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
  • 2003 GMC Sierra Tail Light Connector - 12065172
    View related parts

    2003 GMC Sierra Connector, 1F Metri, Pack 280

    Part Number: 12065172
    $4.46 MSRP: $7.01
    You Save: $2.55 (37%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: CONNECTOR, Chassis Electrical
    • Item Weight: 0.30 Pounds
    • Item Dimensions: 1.2 x 0.7 x 0.8 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 12065172
    • 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
| Page 1 of 2 |Next >
1-20 of 22 Results

Related 2003 GMC Sierra Parts

Alternate Year Models

+
2002 GMC Sierra Tail Light Connector 2004 GMC Sierra Tail Light Connector