Automotive OEM Timing Belts
availability
Timing Chain Tensioner Gasket
GM
55505385
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1.50
MSRP $2.51
Save $1.01
40.2% Off 
Timing Chain Tensioner Gasket
GM
12678978
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$0.55
MSRP $0.92
Save $0.37
40.2% Off 
Timing Chain Tensioner Gasket
GM
12589477
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$12.28
MSRP $20.53
Save $8.25
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When your timing belt is damaged or worn, several parts that work with the belt may need replacement. Paying attention to your car’s handbook to see when your belt should be replaced is important to avoid having it snap and cause potential damage. The car’s timing belt allows engine parts to work together, keeping your camshaft and crankshaft in sync so they turn at the same time and don’t collide. If you have oil leakage or misfiring of your engine, these could be two signs of issues with the belt. Shop our replacement parts today.