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Make sure this part fits your vehicle

GM 12511890 Seal Kit,Valve Stem Oil

1982-1996 GM

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
    10132715, 14033546
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Customer Questions & Answers

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  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12511890
    Part DescriptionSEAL KIT, Engine Valve
    Other NamesValve Seal, Valve Seal Kit
    Item Dimensions5.9 x 2.4 x 1.4 inches
    Item Weight0.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces10132715, 14033546
    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
    1991-1993 Buick Roadmaster8 Cyl 5.0L, 8 Cyl 5.7L4 DOOR, LIMITED SEDAN, STATION WAGON
    1991-1992 Cadillac Brougham8 Cyl 5.0LBROUGHAM 4 DOOR
    1993 Cadillac Fleetwood8 Cyl 5.7LBROUGHAM 4 DOOR
    1985-1995 Chevrolet Astro6 Cyl 4.3LVAN ASTRO
    1992-1995, 1985-1988 Chevrolet Blazer6 Cyl 4.3L, 8 Cyl 5.7L1/2 TON, 2 DOOR, 4 DOOR
    1985-1986 Chevrolet C106 Cyl 4.3LREGULAR CAB LONG BOX, REGULAR CAB STANDARD BOX
    1990-1995 Chevrolet 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
    1985-1986 Chevrolet C206 Cyl 4.3LCREW CAB, REGULAR CAB
    1990-1995 Chevrolet C25006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7LC2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1985-1986 Chevrolet C30CAB CHASSIS 135.5, CAB CHASSIS 159.9, CREW CAB, REGULAR CAB
    View More

Customer Questions & 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

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 12511890 Seal Kit,Valve Stem Oil. It is sometimes referred to as GM Valve Stem Oil Seal. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Buick Roadmaster models. It fits Cadillac Brougham, Fleetwood. It also fits Chevrolet Blazer, Camaro, Tahoe. This also fits GMC C2500, Suburban, Yukon.

Affordable, reliable and built to last, GM part # 12511890 Seal Kit,Valve Stem Oil stands out as the smart option. GMPartsGiant.com is your prime online source with the biggest and best selection of genuine GM parts and accessories at giant discounted prices. We have the OEM GM parts and accessories you need at the wholesale prices. GMPartsGiant.com has you covered no matter what type of GM vehicle you drive. For detailed GMC parts information, click here.

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