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Replacement and OEM Parts for 2003 GMC Sierra 2500 HD Lighting Wiring Harnesses

2003 GMC Sierra 2500 HD Lighting Wiring Harnesses

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2003 GMC Sierra 2500 HD
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  • OEM 2003 GMC Sierra 2500 HD Harness Diagram - 88986855
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    OEM (Genuine) 2003 GMC Sierra 2500 HD Harness

    PartNumber: 88986855
    OEM 2003 GMC Sierra 2500 HD Harness - 88986855
    Product Specifications
    • Notes: Fleetside, GMC
    • Location: Passenger Side
    • Other Names: Harness
    • Item Dimensions: 13.5 x 10.8 x 5.0 inches
    • Item Weight: 1.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16526108
    • Part Description: 2003 GMC Sierra 2500 HD Harness
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
    $132.08 MSRP: $209.71
    You Save: $77.63 (38%)
  • OEM 2003 GMC Sierra 2500 HD Harness Diagram - 88986854
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    OEM (Genuine) 2003 GMC Sierra 2500 HD Harness

    PartNumber: 88986854
    OEM 2003 GMC Sierra 2500 HD Harness - 88986854
    Product Specifications
    • Notes: Fleetside, GMC
    • Location: Driver Side
    • Other Names: Harness
    • Item Dimensions: 9.1 x 4.2 x 10.6 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16526107
    • Part Description: 2003 GMC Sierra 2500 HD Harness
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
    $132.08 MSRP: $209.72
    You Save: $77.64 (38%)
  • OEM 2003 GMC Sierra 2500 HD Harness Diagram - 88986856
    View Related Parts

    OEM (Genuine) 2003 GMC Sierra 2500 HD Harness

    PartNumber: 88986856
    OEM 2003 GMC Sierra 2500 HD Harness - 88986856
    Product Specifications
    • Notes: Stepside
    • Location: Driver Side
    • Other Names: Harness
    • Item Dimensions: 4.1 x 12.5 x 10.5 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 GMC Sierra 2500 HD Harness
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
    $121.78 MSRP: $201.59
    You Save: $79.81 (40%)
  • OEM 2003 GMC Sierra 2500 HD Harness Asm, Tail Lamp Wiring Diagram - 88986857
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    OEM (Genuine) 2003 GMC Sierra 2500 HD Harness Asm, Tail Lamp Wiring

    PartNumber: 88986857
    OEM 2003 GMC Sierra 2500 HD Harness Asm, Tail Lamp Wiring - 88986857
    Product Specifications
    • Notes: Stepside
    • Location: Passenger Side
    • Other Names: Harness
    • Item Dimensions: 11.8 x 9.8 x 4.5 inches
    • Item Weight: 1.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 GMC Sierra 2500 HD Harness Asm, Tail Lamp Wiring
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 2500 HD | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS