Cloyes 9-5512 Engine Timing Chain Tensioner - Left

Engine Timing Chain Tensioner for GM 4.2L Applications

The Cloyes 9-5512 engine timing chain tensioner is a specific-fit replacement built for left-side applications across a wide range of GM and related vehicles. It uses a hydraulic/spring design with a tab-style activation and an included shoe to maintain proper timing chain tension for consistent valve train operation.

Key Features

• Specific-fit engine timing chain tensioner for left-side applications
• Hydraulic/spring chain type for controlled chain tension
• Cast construction with green/gray finish
• Shoe included; spring included
• Two mounting holes with 0.34" inside diameter
• Compact dimensions: 1.96" length, 2.21" width, 0.94" height
• Part number 9-5512 for direct identification

Detailed Description

Cloyes 9-5512 is engineered as an OE-style timing chain tensioner for engines that require precise chain control on the left side. Cloyes designs and manufactures its timing components using advanced materials and CAD-based development, then tests each part for function and durability. This tensioner is built to meet or exceed OEM performance requirements and is intended for vehicles such as the Chevrolet Colorado, GMC Canyon, Hummer H3, and related GM platforms listed in the fitment data. If you are servicing a Chevrolet Trailblazer, GMC Envoy, or Saab 9-7x timing system, 9-5512 provides the correct specific-fit replacement format.

This part cross-references 95512 and 12569327 for the same application.

What It Helps Address

• Timing chain slack that can affect cam timing accuracy
• Chain noise caused by insufficient tension
• Wear related to an aging or weakened tensioner assembly
• Valve train irregularities tied to inconsistent chain control
• Service needs during timing chain replacement on GM 4.2L applications

Installation Notes and Tips

Install this tensioner on the left-side application specified in the fitment data. Cloyes recommends replacing the chain tensioner, sprocket, and guide components when the timing chain is replaced, since these parts work together to keep the chain properly supported and tight. Verify engine and vehicle application by year, make, model, and position before installation. Part number 9-5512 should be matched to the exact application listed for Chevrolet Colorado, GMC Canyon, Hummer H3, Hummer H3T, Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, Isuzu Ascender, and related models.

Quality Assurance

Cloyes timing chain tensioners are CAD designed, manufactured with advanced materials, and extensively tested for function and durability. The 9-5512 is built to meet or exceed OEM performance requirements for dependable timing system service.