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Make sure this part fits

GMC 12511890 Seal Kit,Valve Stem Oil

1985-1996 GMC

Customer Questions & Expert Answers (11)
GM 12511890 Seal Kit,Valve Stem Oil
GM 12511890 Seal Kit,Valve Stem Oil
GM 12511890 Seal Kit,Valve Stem Oil
GM 12511890 Seal Kit,Valve Stem Oil
GM 12511890 Seal Kit,Valve Stem Oil
GM 12511890 Seal Kit,Valve Stem Oil
GM 12511890 Seal Kit,Valve Stem Oil
GM 12511890 Seal Kit,Valve Stem Oil
GM 12511890 Seal Kit,Valve Stem Oil
  • Part Description
    SEAL KIT, Engine Valve
  • Replaces
    14033546, 10132715
  • 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 GMC
    Manufacturer Part Number12511890
    Part DescriptionSEAL KIT, Engine Valve
    Other NamesValve Seal, Valve Seal Kit
    Item Dimensions5.8 x 2.3 x 1.3 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces14033546, 10132715
    ManufacturerGeneral Motors
    SKU12511890
    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
    1990-1995, 1985-1986 GMC C15006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7LC1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX, REGULAR CAB LONG BOX, REGULAR CAB STANDARD BOX
    1990-1995, 1985-1986 GMC C25006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7LC2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB, CREW CAB, REGULAR CAB
    1990-1995, 1985-1986 GMC C35008 Cyl 5.7LC3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 CREW CAB LONG WHEELBASE, C3500 EXTENDED CAB, C3500 REGULAR CAB, CAB CHASSIS 135.5, CAB CHASSIS 159.9, CREW CAB, REGULAR CAB
    1992-1995 GMC G15006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L1/2 TON CARGO, 1/2 TON PASSENGER
    1992-1995 GMC G25006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L3/4 TON CARGO, 3/4 TON PASSENGER
    1992-1996 GMC G35006 Cyl 4.3L, 8 Cyl 5.7L1 TON CARGO, 1 TON CARGO CLASSIC, 1 TON CARGO VAN, 1 TON COMMERCIAL/RECREATIONAL VEHICLE, 1 TON COMMERCIAL/RV CLASSIC, 1 TON PASSENGER, 1 TON PASSENGER CLASSIC
    1992-1995, 1985-1988 GMC Jimmy6 Cyl 4.3L1/2 TON, 2 DOOR, 4 DOOR
    1990-1995, 1985-1986 GMC K15006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7LK1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX, REGULAR CAB LONG BOX, REGULAR CAB STANDARD BOX
    1990-1995, 1985-1986 GMC K25006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7LK2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB, REGULAR CAB
    1990-1995, 1985-1986 GMC K35008 Cyl 5.7LCAB CHASSIS 135.5, CAB CHASSIS 159.9, CREW CAB, K3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 CREW CAB LONG WHEELBASE, K3500 EXTENDED CAB, K3500 REGULAR CAB, REGULAR CAB
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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 12511890 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done before starting the process of replacing valve springs or valve stem seals without removing the cylinder heads for the 2004 Chevrolet Blazer? Posted by Customer
    A:
    Before starting the process, remove the valve cover(s), ensuring both are removed if replacing all valve stem seals. Also, remove the spark plug from the cylinder with the issue or remove all spark plugs if replacing all seals.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Valve Stem Oil Seal
    Q:
    What tools and equipment do you need to replace broken valve springs or defective valve stem seals without removing the cylinder head for the 1995 Chevrolet Blazer? Posted by Customer
    A:
    You will need specific tools and a compressed air source.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Valve Stem Oil Seal
    Q:
    What should be inspected while the valve springs are removed for the 1990 Chevrolet C1500? Posted by Customer
    A:
    While the valve springs are removed, inspect the valve stem for damage and ensure it moves freely in the guide.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Valve Stem Oil Seal
    Q:
    How can you keep the valves closed during spring removal for the 1988 Chevrolet K1500? Posted by Customer
    A:
    Thread an adapter into the spark plug hole and connect it to a compressed air source to keep the valves closed. Alternatively, use a length of nylon rope to fill the combustion chamber via the spark plug hole to prevent valve drop if compressed air is not available.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Valve Stem Oil Seal
    Q:
    What is the first step in the process for the 1999 GMC Jimmy? Posted by Customer
    A:
    The first step is to remove the spark plug from the affected cylinder (or all spark plugs if replacing all seals).
    Posted by GMPartsGiant Specialist
    See expert answers on similar Valve Stem Oil Seal
    Q:
    Why is it important to turn the crankshaft to bring the piston to top dead center on the compression stroke for the 1995 Chevrolet S10? Posted by Customer
    A:
    Turning the crankshaft to bring the piston to top dead center on the compression stroke is important to ensure the valve is closed during the replacement process.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Valve Stem Oil Seal
    Q:
    What should be done before releasing the air pressure from the cylinder for the 1999 GMC Jimmy? Posted by Customer
    A:
    Before releasing the air pressure from the cylinder, lubricate the valve stem and install a new umbrella-type guide seal for intake valves.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Valve Stem Oil Seal
    Q:
    What does it indicate if the air pressure fails to hold the valve closed for the 2000 Chevrolet S10? Posted by Customer
    A:
    If the air pressure fails to hold the valve closed, it may indicate valve or seat damage, requiring further repair with head removal.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Valve Stem Oil Seal
    Q:
    What should be done before releasing the air pressure from the cylinder for the 1996 GMC Sonoma? Posted by Customer
    A:
    Before releasing the air pressure from the cylinder, lubricate the valve stem and install a new umbrella-type guide seal for intake valves.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Valve Stem Oil Seal
    Q:
    What is the first step in the process for the 2002 GMC Sonoma? Posted by Customer
    A:
    The first step is to remove the spark plug from the affected cylinder (or all spark plugs if replacing all seals).
    Posted by GMPartsGiant Specialist
    See expert answers on similar Valve Stem Oil Seal
    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 12511890, the Right Choice

To ensure reliability, purchase GM part # 12511890 Seal Kit,Valve Stem Oil. It is sometimes referred to as GMC Valve Stem Oil Seal. 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 GMC C2500, Suburban, Yukon models.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 12511890 Seal Kit,Valve Stem Oil. 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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