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OER 1999-02 GMC GMT800 Sierra, 2000-2006 Yukon/Yukon XL, Front Lower Air Deflector, without Fog Lamp Holes or Tow Hooks T70371

OER 1999-02 GMC GMT800 Sierra, 2000-2006 Yukon/Yukon XL, Front Lower Air Deflector, without Fog Lamp Holes or Tow Hooks T70371
OER 1999-02 GMC GMT800 Sierra, 2000-2006 Yukon/Yukon XL, Front Lower Air Deflector, without Fog Lamp Holes or Tow Hooks T70371OER 1999-02 GMC GMT800 Sierra, 2000-2006 Yukon/Yukon XL, Front Lower Air Deflector, without Fog Lamp Holes or Tow Hooks T70371OER 1999-02 GMC GMT800 Sierra, 2000-2006 Yukon/Yukon XL, Front Lower Air Deflector, without Fog Lamp Holes or Tow Hooks T70371OER 1999-02 GMC GMT800 Sierra, 2000-2006 Yukon/Yukon XL, Front Lower Air Deflector, without Fog Lamp Holes or Tow Hooks T70371OER 1999-02 GMC GMT800 Sierra, 2000-2006 Yukon/Yukon XL, Front Lower Air Deflector, without Fog Lamp Holes or Tow Hooks T70371OER 1999-02 GMC GMT800 Sierra, 2000-2006 Yukon/Yukon XL, Front Lower Air Deflector, without Fog Lamp Holes or Tow Hooks T70371OER 1999-02 GMC GMT800 Sierra, 2000-2006 Yukon/Yukon XL, Front Lower Air Deflector, without Fog Lamp Holes or Tow Hooks T70371OER 1999-02 GMC GMT800 Sierra, 2000-2006 Yukon/Yukon XL, Front Lower Air Deflector, without Fog Lamp Holes or Tow Hooks T70371
$75.99 ea
NEWARRIVING SOONEstimated Ship Date 12/30/2025 (If Ordered Today)4 Available from OER as of 12/05/2025
Model: 3959959
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Reproduction front lower air deflector unit for 1999-2002 GMC GMT800 Series Sierra models without fog lights or tow hooks, and 2000-06 Yukon and Yukon XL models without fog lights or tow hooks (except Denali). Manufactured from durable injection-molded ABS and engineered to OE specifications for a precise fit and factory-style appearance. Finished in gray as original. Direct replacement for GM part numbers #15199826, #15708798, or Partslink #GM1092170.

Product Benefits:
  • Injection-molded ABS construction provides OEM-grade strength and finish
  • Designed without fog light or tow hook cutouts - ideal for base model restoration
  • Matches original lower front valance design and contour for a clean fit
  • Gray finish replicates factory appearance with no painting required
  • Replaces OE part #15199826, #15708798, or Partslink #GM1092170
Fitment Information:
  • Fits 1999-2002 GMC Sierra (GMT800) without fog lights or tow hooks
  • Fits 2000-2006 GMC Yukon and Yukon XL without fog lights or tow hooks
  • Excludes Denali models with unique front fascia
GMC GMT800 Series Applications:
    Sierra 1500 Series
    • 1999-2000 Sierra 1500 (SL, SLE, SLT)
    • 2001-2001 Sierra 1500 (C3, SL, SLE, SLT)
    • 2001-2002 Sierra 1500 HD (SLE, SLT)
    • 2002-2002 Sierra 1500 (Base, HT, SL, SLE, SLT, WT)
    Sierra 2500 Series
    • 1999-2001 Sierra 2500 (SL, SLE, SLT)
    • 2002-2002 Sierra 2500 (Base, SL, SLE, SLT)
    • 2001-2001 Sierra 2500 HD (SL, SLE, SLT)
    • 2002-2002 Sierra 2500 HD (Base, SL, SLE, SLT)
    Sierra 3500 Series
    • 2001-2001 Sierra 3500 (SL, SLE, SLT)
    • 2002-2002 Sierra 3500 (Base, SL, SLE, SLT)
    Yukon Series
    • 2000-2006 Yukon (SLE, SLT)
    • 2000-2006 Yukon XL 1500 (SLE, SLT)
    • 2000-2006 Yukon XL 2500 (SLE, SLT)
About OER

OER® was established in the early 1980's to manufacture original equipment reproductions where every part is meticulously reproduced to exact factory specifications. All OER® parts are reverse engineered or manufactured using original blueprints when available to ensure the closest possible reproduction available on the market. When available, original factory tooling is utilized to insure complete originality. Our mission is to supply the highest quality parts available for the enthusiast and serious restorer. Whether you're a serious restorer, or just someone who wants a replacement part for your classic vehicle, OER® is the source for the finest quality parts on the market. Today, OER® is the most recognized brand in automotive restoration parts. Choose OER® for all your restoration needs.

Many OER® products are officially licensed by General Motors and the Chrysler Group ensuring the quality and authenticity of these products. The GM Restoration Parts logo and the MOPAR Authentic Restoration Product logo are the true signs of quality. OER® is licensed by GM and the Chrysler Group as an official restoration parts manufacturer.

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years
GMC C1500 Suburban 1999
GMC C1500 1999
GMC C2500 Suburban 1999
GMC C2500 1999 - 2000
GMC C3500 1999 - 2000
GMC Envoy XL 2002
GMC Envoy 2002
GMC Jimmy 1999 - 2002
GMC K1500 Suburban 1999
GMC K1500 1999
GMC K2500 Suburban 1999
GMC K2500 1999 - 2000
GMC K3500 1999 - 2000
GMC Sierra 1500 HD 2001 - 2002
GMC Sierra 1500 1999 - 2002
GMC Sierra 2500 HD 2001 - 2002
GMC Sierra 2500 1999 - 2002
GMC Sierra 3500 2001 - 2002
GMC Sonoma 1999 - 2002
GMC Yukon XL 1500 2000 - 2006
GMC Yukon XL 2500 2000 - 2006
GMC Yukon 1999 - 2006

Specifications:

Height 75 in
Length 6 in
Weight 5 lbs
Width 18 in

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OER 1999-02 GMC GMT800 Sierra, 2000-2006 Yukon/Yukon XL, Front Lower Air Deflector, without Fog Lamp Holes or Tow Hooks T70371: