9-4205SB Engine Timing Chain Kit Fit 2006-17 Chevy Cadillac GMC Hummer 12556582

Engine Timing Chain Kit for Chevy Cadillac GMC Hummer

This engine timing chain kit for 2006-17 Chevy, Cadillac, GMC, and Hummer vehicles replaces worn timing chains, guides, and tensioners to restore accurate cam timing. Cross-references with OEM part number 12556582.

Overview

The engine timing chain kit is a complete replacement set for 2006-2017 General Motors trucks and SUVs with chain-driven valvetrains. It restores precise synchronization between the crankshaft and camshafts to correct rough idle, reduced power, and timing-related trouble codes. Whether you are refreshing a high-mileage engine or fixing a stretched chain, this engine timing chain kit gives you all the key wear components in one box.

Built For Performance

• Heavy-duty roller chain with precision-formed links for consistent pitch and low stretch
• Hardened steel sprockets resist tooth wear and keep timing marks accurate
• Oil-resistant nylon guides absorb chain slap and reduce noise
• Tensioner with calibrated spring rate maintains constant chain tension
• All components are matched for drop-in installation without additional machining

Fits These Machines

• for Chevy 2006-2017 models
• for Cadillac 2006-2017 models
• for GMC 2006-2017 models
• for Hummer 2006-2017 models

On-The-Job Use

• Timing chain service during engine overhauls or head gasket repairs
• Replacing a stretched chain on daily drivers with hard highway miles
• Fixing cold-start rattles and low oil pressure linked to a worn tensioner
• Preventive maintenance on fleet trucks and SUVs before timing component failure

Specs At A Glance

Good To Know

Q: Does this kit include the chain, guides, and tensioner? A: Yes, it typically includes the timing chain, guide rails, tensioner, and sprockets for a complete repair.

Q: When should the timing chain be replaced on these engines? A: Replacement is recommended once symptoms like rattling noise or cam/crank correlation codes appear, often around 100,000 miles depending on oil change history.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.