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Spare Part Information
This is a gasket, cylinder hd. (use on right and light sides) (*kit1), for General Motors automobiles. It fits for General Motors vehicles which were sold in the U.S., Europe, and UK. It's a genuine General Motors part with an OEM part number 12554979. Please keep in mind that this gasket was replaced with 12556031 for the U.S. market on January 1, 1999.
This gasket has dimensions 0.70 in × 22.70 in × 9.50 in, it has a weight of 5.44 ounces, usually, it comes in a set of 1 item in retail packaging.
This part has a standard 12 months GM warranty on replacement parts, and it may be returned to a dealer even if the packaging has been opened.
In spite of higher price of genuine parts buying this gasket will be a smart decision because you will be absolutely sure that it will serve you longer and will provide maximum safety and performance for your car.
This gasket 100% fits for General Motors cars. It's made of top quality materials, it has passed not only all manufacturer's tests but also General Motors quality control and has to endure rough road conditions over a long time.
Part 12554979 Has Been Superseded
- 12554979 was replaced with 12556031 on January 1, 1999 for the U.S. market;
- 14098623 is interchangeable with 12554979 since September 1, 1995 for the U.S. market.