Cloyes 9-5490 Engine Timing Chain Tensioner - Inner or Right

Cloyes Timing Chain Tensioner 9-5490

Cloyes 9-5490 is an engine timing chain tensioner built for specific GM and related applications that use an inner blade-style tensioner. It helps maintain proper chain tension for quieter operation and consistent valve timing in high-mileage and repair-service engines.

Timing Chain Tensioner Features

• Blade-style timing chain tensioner with nylon and steel construction
• Specific fit design for application-matched installation
• Includes shoe, spring, and activation pin
• Bolts included for mounting
• White and gray finish
• Dimensions: 4.99 in. length, 3.74 in. width, 0.86 in. height
• Mounting hole quantity: 2

Product Details

This Cloyes timing chain tensioner is CAD designed and manufactured with advanced materials, then tested for function and durability to meet or exceed OEM performance requirements. Cloyes timing chain tensioner 9-5490 is engineered for specific inner-position applications across Chevrolet, GMC, Cadillac, Buick, Pontiac, Hummer, Saab, and related platforms. It is a direct-fit timing chain tensioner for vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Chevrolet Corvette where the correct chain control is critical to engine timing stability. This part cross-references GM OE numbers 12585997 and 12626407 for the same application.

Common Problems This Part Can Address

• Timing chain slack that can create noise at startup or during operation
• Erratic valve timing caused by worn chain control components
• Rattle from a weakened or damaged tensioner assembly
• Wear on the chain guide surface from improper chain tension
• Service issues after timing chain replacement on GM V8 applications

Installation Notes

Replace the chain tensioner, sprocket, and guide components together when servicing the timing chain. Verify the inner-position application and confirm the correct engine configuration before installation. Use the vehicle-specific catalog listing to match this part number to the exact Chevrolet Silverado 2500, GMC Sierra, or Cadillac CTS application.

Quality Assurance

Cloyes states that its timing chain tensioners are designed to meet or exceed OEM performance requirements and are extensively tested for function and durability. The 9-5490 part number is built for specific-fit applications and is supported by Cloyes engineering and material standards.