Make sure this part fits

GM 12550061 Piston Assembly(Std High, Limit)

1992-2001 GM

Customer Questions & Expert Answers (3)
12550061 GM Piston Assembly(Std High, Limit) Illustration 1 of 1
  • Part Description
    PISTON, Engine Piston
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12550061
    Part DescriptionPISTON, Engine Piston
    Item Dimensions4.8 x 4.5 x 4.4 inches
    Item Weight2.90 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity8
    ManufacturerGeneral Motors
    SKU12550061
    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
    1992-1994 Chevrolet Blazer8 Cyl 6.5L Diesel1/2 TON
    1992-1999 Chevrolet C15008 Cyl 6.5L DieselC1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
    1992-2000 Chevrolet C25008 Cyl 6.5L DieselC2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1992-2000 Chevrolet C35008 Cyl 6.5L DieselC3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 CREW CAB LONG WHEELBASE, C3500 CREW CAB SHORT WHEELBASE, C3500 EXTENDED CAB, C3500 REGULAR CAB
    1996-2001 Chevrolet Express8 Cyl 6.5L Diesel1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
    1992-1999 Chevrolet K15008 Cyl 6.5L DieselK1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX
    1992-2000 Chevrolet K25008 Cyl 6.5L DieselK2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB
    1992-2000 Chevrolet K35008 Cyl 6.5L DieselK3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 CREW CAB LONG WHEELBASE, K3500 CREW CAB SHORT WHEELBASE, K3500 EXTENDED CAB, K3500 REGULAR CAB
    1992-1999 Chevrolet Suburban8 Cyl 6.5L Diesel1/2 TON, 3/4 TON
    1995-1999 Chevrolet Tahoe8 Cyl 6.5L DieselCLASSIC 2 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON
    View More
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 12550061 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How can carbon deposits be eliminated from the Piston crown for the 1997 Chevrolet C1500? Posted by Serik B.
    A:
    By scraping and using a hand-held wire brush or fine emery cloth. It is important not to use an electric drill with a wire brush as it can erode the soft piston material. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Mar 17, 2026
    Q:
    What is the procedure for removing the connecting rod cap, bearing insert, and Piston for the 1999 Chevrolet Express? Posted by Jayr M.
    A:
    Remove the first connecting rod cap and bearing insert without dropping the insert, then push the connecting rod/piston assembly out through the top of the engine, using a wooden or plastic hammer handle if needed. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / Jan 24, 2022

Genuine GM Part 12550061, the Right Choice

To ensure reliability, purchase GM part # 12550061 Piston Assembly(Std High, Limit). It is sometimes referred to as GM Piston. 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 Blazer, Express, Tahoe models. It fits GMC C2500, Suburban, Yukon.

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