Buy 2020 Chevrolet Suburban LT Sport Utility 5.3L EcoTec3 V8 A/T RWD Engine Timing Chain. 4.8, 5.3 & 6 ESV, Along, Gear - OEM Chevrolet Part # 12646387 (12646386)

CHAIN ASSEMBLY - Timing. Engine Timing Chain.
Engine Timing Chain.

Engine Timing Chain

4.8, 5.3 & 6.0 LITER. Camaro. Corvette. Corvette; w/o Z06. CT5. Escalade. Escalade ESV. Express, Savana. Express, Savana; Part Of Timing Gear Set. Sierra, Silverado. Silverado, Sierra. Suburban. Tahoe. Tahoe, Yukon, Escalade. Yukon XL.
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 2020 Chevrolet Suburban has high mileage along with any of these other symptoms, contact our service department for expert diagnosis.