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2020-2025 GMC Sierra 2500 HD 3500 HD SRW Rear Lamp Wiring Harness OEM

$ 27.85
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2020-2025 GMC Sierra 2500 HD and Sierra 3500 HD Rear Lamp Wiring Harness, Fits Either Driver or Passenger Side, SRW

This is a Genuine OEM GM Rear Lamp Wiring Harness for the 2020-2025 GMC Sierra 2500 HD and Sierra 3500 HD. It fits either the Driver or Passenger Side on single rear wheel (SRW) configurations.

Fitment Alert – Confirm These Details Before You Order

Check each line below against your vehicle before ordering.

GMC Sierra 2500 HD 2020-2025, Single Rear Wheel (SRW) configurations only
GMC Sierra 3500 HD 2020-2025, Single Rear Wheel (SRW) configurations only
Side Fits either Driver or Passenger Side
Position Rear
Part Type Rear Lamp Wiring Harness
Does NOT Fit Dual Rear Wheel (DRW) vehicles are excluded

Quick Part Facts

  • Condition: New
  • Brand: Genuine OEM GM
  • Part Type: Rear Lamp Wiring Harness
  • Position: Rear
  • Side: Fits either Driver or Passenger Side
  • Years: 2020-2025
  • Models: GMC Sierra 2500 HD, GMC Sierra 3500 HD
  • Rear Wheel Configuration: Single Rear Wheel (SRW) only; Dual Rear Wheel (DRW) excluded

Fitment Chart

Year Range Make Model Trim/Engine Notes/Options
2020–2025 GMC Sierra 2500 HD 6.6L V8 Gas (L8T); 6.6L V8 Diesel (LM2 Duramax) Single Rear Wheels (SRW) only; fits Driver or Passenger Side
2020–2025 GMC Sierra 3500 HD 6.6L V8 Gas (L8T); 6.6L V8 Diesel (LM2 Duramax) Single Rear Wheels (SRW) only; fits Driver or Passenger Side
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