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GM 84878521 Fuel Tank

2011-2024 GM

Customer Questions & Expert Answers (3)
84878521 GM Fuel Tank Product Photo 1 of 1
  • Part Description
    Tank, Fuel
  • Replaces
    25941092, 84565937
  • Manufacturer
    General Motors
Make sure this part fits
$118.47 MSRP: $188.88
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number84878521
    Part DescriptionFuel Tank; Tank, Fuel
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces25941092, 84565937
    ManufacturerGeneral Motors
    SKU84878521
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2011-2024 Chevrolet Silverado4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 CYL 3.0L Diesel, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel3500 CREW CAB ONLY, 3500 REGULAR (CAB ONLY), 3500 REGULAR CAB, CREW CAB 1 TON CHASSIS 137.0, 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
    2011-2024 GMC Sierra4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 CYL 3.0L Diesel, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel3500 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
  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle?
    A:
    You can Select Your Vehicle to check if 84878521 fits your vehicle.
    Posted and answered by GM Parts Specialist Raul
    Q:
    What material is the Fuel Tank made of and what is the consequence if it gets damaged for the 2011 Chevrolet Silverado? Posted by Ioannis K.
    A:
    The fuel tank is made of plastic, and if it gets damaged or leaks, it cannot be repaired. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Feb 24, 2026
    Q:
    What material is the Fuel Tank made of and what is the consequence if it gets damaged of the 2011 GMC Sierra? Posted by Zaine V.
    A:
    The fuel tank is made of plastic, and if it gets damaged or leaks, it cannot be repaired. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / May 16, 2026

Genuine GM Part 84878521, the Right Choice

To ensure reliability, purchase GM part # 84878521 Fuel Tank. It is sometimes referred to as GM Fuel Tank. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Chevrolet Silverado models. It fits GMC Sierra.

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