Menu
×
Search Bar
Search by Part Number, Part Name, or Vehicle
My Garage
Cart
Contact Us Help Center

Genuine GMC Sierra Rear Crossmember

Rear Suspension Crossmember
  • 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).

5 Rear Crossmembers found

  • GMC Sierra Rear Crossmember - 84339539
    View related parts

    GMC Sierra Crossmember Assembly, Rear

    Part Number: 84339539
    $76.30 MSRP: $114.07
    You Save: $37.77 (34%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Crossmember
    • Position: Rear
    • Replaces: 20909405
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 2011-2024 GMC Sierra | 3500 CREW CAB ONLY, 3500 REGULAR CAB, CREW CAB 1 TON 137.0, CREW CAB 1 TON CHASSIS 137.0, EXTENDED CREW CAB 1 TON 161.5, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 CYL 3.0L Diesel, 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel
  • GMC Sierra Rear Crossmember - 84339602
    View related parts

    GMC Sierra Crossmember Assembly, Rear

    Part Number: 84339602
    $134.51 MSRP: $202.01
    You Save: $67.50 (34%)
    Product Specifications
    • Position: Rear
    • Replaces: 20909393
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 2011-2019 GMC Sierra | 1 TON CREW CAB, 2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON | 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L Diesel
  • GMC Sierra Rear Crossmember - 20909404
    View related parts

    GMC Sierra Crossmember Assembly, Rear Shock Absorber

    Part Number: 20909404
    $57.18 MSRP: $85.48
    You Save: $28.30 (34%)
    Product Specifications
    • Other Name: CROSSMEMBER, Intermediate(Transmission Support Cross Member)
    • Position: Rear
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 2011-2019 GMC Sierra | 3500 CREW CAB ONLY, 3500 REGULAR CAB, CREW CAB 1 TON 137.0, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L Diesel
  • GMC Sierra Rear Crossmember - 15017158
    View related parts

    GMC Sierra Crossmember Asm,Rear

    Part Number: 15017158
    Product Specifications
    • Other Name: CROSSMEMBER, Rear Frame Cross
    • Position: Rear
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 2009-2010 GMC Sierra | EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L Diesel
    • 2005-2007 GMC Sierra | 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5 | 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
    • 2001 GMC Sierra | 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 161.5 | 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
    View More
  • GMC Sierra Rear Crossmember - 12479983
    View related parts

    GMC Sierra Crossmember Asm,Rear Shock Absorber

    Part Number: 12479983
    Product Specifications
    • Other Name: CROSSMEMBER, Intermediate(Transmission Support Cross Member)
    • Position: Rear
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    Fits the following Vehicles:
    • 2009-2010 GMC Sierra | EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L Diesel
    • 2005-2007 GMC Sierra | 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5 | 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
    • 2001 GMC Sierra | 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 161.5 | 8 Cyl 6.0L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
    View More

GMC Sierra Rear Crossmember

The GMC Sierra Rear Crossmember is a critical part that highlights the reliability and performance of the Sierra automobiles. Playing a critical role in the structural design of the Sierra, the Rear Crossmember contributes enormously in supporting the transmission and engine thus strengthening the overall integrity and alignment of the GMC Sierra during operation. This component is functional with all Sierra models as GMC Sierra 1500, Sierra 2500, and HD models, making it universal for many different configurations. The importance of the Rear Crossmember here has nothing to do with support alone. It plays an important role in ensuring the GMC unit is more efficient and safe, better handling and dynamics of driving. In progressing with material and design changes, the Rear Crossmember has been made sturdier and more powerful which distinguishes it from other automobiles on the market today. Interestingly, the maker unit Rear Crossmember is also designed to endure the stress of heavy-duty applications so that the component will live up to expected demands under normal driving conditions and adverse conditions. Its reliability is further enhanced because the automobile model's meticulous engineering is a guarantee of quality in every model, the Rear Crossmember being an integral part of the overall integrity of the vehicle. To sum up, the model Rear Crossmember is not just a part of the structure. It is a testimony of GMC's resolve to quality and performance on the vehicle GMC.

Each OEM GMC Sierra Rear Crossmember we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Related GMC Sierra Parts

Browse by Year

+
2024 Rear Crossmember 2023 Rear Crossmember 2022 Rear Crossmember 2021 Rear Crossmember 2020 Rear Crossmember 2019 Rear Crossmember 2018 Rear Crossmember 2017 Rear Crossmember 2016 Rear Crossmember 2015 Rear Crossmember 2014 Rear Crossmember 2013 Rear Crossmember 2012 Rear Crossmember 2011 Rear Crossmember 2010 Rear Crossmember 2009 Rear Crossmember 2007 Rear Crossmember 2006 Rear Crossmember 2005 Rear Crossmember 2001 Rear Crossmember