Chevrolet Avalanche Engine Timing Chain Tensioner. Spark; Lower - 12645390

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Engine Timing Chain Tensioner
This Fits Your Chevrolet Avalanche

Part Number: 12645390

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Chain Guide. Engine Timing Chain Tensioner. Shoe.
An oil pressurized Tensioner that keeps the Chain that runs from the crankshaft to camshaft or the Chain that runs from camshaft to camshaft, from becoming loose and jumping a tooth or more causing Engine damage or out of sync crankshaft to camshaft Timing. Crank To Cam.

Engine Timing Chain Tensioner

Fits Spark

Spark; Lower; Intake Side.

Camshaft & timing. Crankshaft & bearings. Cylinder head & valves. Lubrication. Mounts. Pistons. Rings & bearings.

Full Diagram

#20

Oil pan. Oil pump. Variable valve timing. Spark; Auto Trans; Left. Spark; Auto Trans; Rear. Spark; Exhaust. Spark; Intake. Spark; Lower; Exhaust Side. Spark; Lower; Intake Side. Spark; Manual Trans; Left. Spark; Manual Trans; Rear. Spark; Upper.

Spark; Lower; Intake Side.