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GM 12556121 Engine,(Service Partial)

1987-2002 GM

Customer Questions & Expert Answers (1)
GM 12556121 Engine,(Service Partial)
GM 12556121 Engine,(Service Partial)
  • Part Description
    ENGINE, Cylinder and Case
  • Replaces
    12568757, 14101311
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12556121
    Part DescriptionENGINE, Cylinder and Case
    Other NamesShort Block
    Item Dimensions29.1 x 19.6 x 17.2 inches
    Item Weight258.10 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12568757, 14101311
    ManufacturerGeneral Motors
    SKU12556121
    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
    1999-2000 Cadillac Escalade8 Cyl 5.7L1 TON CREW CAB, 1/2 TON, 3/4 TON, 4 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON, CREW CAB 1 TON, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, K2500 CREW CAB, K3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, YUKON/DENALI/ESCALADE
    1987-1994 Chevrolet Blazer6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel1/2 TON
    1990-1999 Chevrolet C15006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4LC1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
    1990-2000 Chevrolet C25006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4LC2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1996-2000, 1990-1991 Chevrolet C35008 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4LC3500 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
    1996-2002 Chevrolet Express8 Cyl 5.7L1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
    1987-1995 Chevrolet G106 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L1 TON CARGO, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON PASSENGER, 1/2 TON CARGO, 1/2 TON PASSENGER, 3/4 TON CARGO, 3/4 TON PASSENGER
    1987-1995 Chevrolet G206 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel1/2 TON PASSENGER, 3/4 TON CARGO, 3/4 TON PASSENGER
    1987-1995 Chevrolet G306 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4L1 TON CARGO, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON PASSENGER
    1990-1999 Chevrolet K15006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L DieselK1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX
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  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 12556121 fits your vehicle.
    Posted by GMPartsGiant Specialist
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 12556121, the Right Choice

To ensure reliability, purchase GM part # 12556121 Engine,(Service Partial). 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 Cadillac Escalade models. It fits Chevrolet Blazer, P30, Tahoe. It also fits GMC C2500, Suburban, Yukon.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 12556121 Engine,(Service Partial). You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Look no further than our vast inventory of genuine GM parts offered at unbeatable online prices, all of which are backed by the manufacturer's warranty. Not to forget, our hassle-free return policy and quick delivery service ensure a smooth shopping experience for you. For detailed GMC parts information, click here.

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