Cloyes 9-4201SB2K3 Engine Timing Chain Kit

Reliable Engine Timing Chain Kit for Buick, Chevrolet, and GMC Vehicles

The Cloyes 9-4201SB2K3 Engine Timing Chain Kit is designed to provide dependable timing chain replacement for select Buick, Chevrolet, and GMC models. Engineered with durable steel components and including essential guides and tensioner, this kit supports proper valve train operation and engine timing.

• Constructed with a steel single roller timing chain for strength and durability
• Includes chain guides made from aluminum, nylon, and steel for optimal wear resistance
• Comes with a metal crankshaft sprocket and a tensioner to maintain proper chain tension
• Features a chain length of 23.25 inches (590.55 mm) and a pitch of 0.315 inches (8 mm)
• Includes an engine water pump compatible with the timing system

Detailed Product Description

This Cloyes engine timing chain kit (part number 9-4201SB2K3) is a standard replacement solution designed for use in various Buick, Chevrolet, and GMC vehicles, including the Allure, Equinox, LaCrosse, and Terrain models. The kit features a single roller steel chain with 148 links and 296 pins, ensuring precise timing and durability under normal operating conditions. Chain guides constructed from a combination of aluminum, nylon, and steel provide reliable guidance and reduce wear, while the included tensioner maintains proper chain tension to prevent slack and timing issues. The metal crankshaft sprocket is engineered for consistent engagement with the chain, supporting smooth engine operation. Additionally, the kit includes an engine water pump, integrating cooling system maintenance with timing chain replacement.

Common Applications and Issues Addressed

• Replacement of worn or stretched timing chains in Buick Allure, Chevrolet Equinox, LaCrosse, and GMC Terrain engines
• Resolving timing chain noise or rattling caused by failing guides or tensioners
• Addressing engine misfires or poor performance due to timing chain slack
• Preventing potential engine damage from timing chain failure
• Integrating water pump replacement during timing chain service

Installation Notes and Tips

When installing the Cloyes 9-4201SB2K3 timing chain kit, ensure all old components are fully removed and the engine is properly aligned to manufacturer specifications. Use the included tensioner and guides to maintain correct chain tension and alignment. Verify timing marks on the crankshaft and camshaft sprockets before final assembly. It is recommended to replace the water pump simultaneously to avoid future labor duplication. Follow vehicle-specific service manuals for torque specifications and installation procedures.

Quality Assurance and Warranty

Cloyes timing chain kits are manufactured to meet or exceed OEM standards for fit, form, and function. The 9-4201SB2K3 kit undergoes rigorous quality control to ensure durability and reliable engine timing performance. While specific warranty details are not provided here, Cloyes products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or authorized distributors for exact warranty terms.