Shop OEM GENERAL MOTORS Part # 12564273. Engine Timing Chain. 4.0 LITER, secondary. All Models; CAMSHAFT CHAIN. Aurora; Secondary. Bonneville; Secondary. DTS; Camshaft Chain

Camshaft Chain. Engine Timing Chain.
Engine Timing Chain. Idler to Cam.

Engine Timing Chain

Fits Aurora, Bonneville, Deville , DTS, Lucerne, Seville, SRX, STS, XLR

4.0 LITER, secondary. All Models; CAMSHAFT CHAIN. Aurora; Secondary. Bonneville; Secondary. DTS; Camshaft Chain. Lucerne; Secondary. Seville; Secondary. SRX; Secondary. STS-V; Secondary. STS; Secondary. XLR.
Timing Chain - Repair or Replace
Your engine's timing chain can stretch over time resulting in a check engine light that comes along with excessive noise from your engine's timing cover. If the chain has broken, which is a rare occurrence, the engine will not start. If your has high mileage along with any of these other symptoms, contact our service department for expert diagnosis.