Cloyes 9-5189 Engine Camshaft Thrust Button

Cloyes Camshaft Thrust Button 9-5189

The Cloyes 9-5189 engine camshaft thrust button is a specific-fit valve train component for select GM and Pontiac applications from 1976-1988. It is built with a steel body, a spring, and a manual set activation type to support camshaft end control in engines that use a cam button design.

Key Features

• Steel construction for durable valve train service
• Specific-fit design for direct application matching
• Manual set activation type
• Spring included for proper cam button function
• Gray finish
• Outside diameter: 0.83 in.
• Height: 1.04 in.
• Not manually adjustable and not adjustable
• Bolts not included

Application Details

This Cloyes camshaft thrust button meets or exceeds OEM performance requirements and uses current design and material technology to support quiet, maintenance-free operation. It is used in engine valve train assemblies where camshaft end play control is required, including select Buick, Oldsmobile, Chevrolet, Cadillac, and Pontiac models. Fits 1978-1988 Buick Century, Fits 1977-1988 Buick LeSabre, and Fits 1986-1988 Buick Skylark. It also fits 1980-1985 Chevrolet Caprice, Fits 1980-1985 Chevrolet Impala, and Fits 1978-1985 Chevrolet Monte Carlo with Integral Distributor Drive Gear where noted. This part cross-references 95189 and 25532588 for the same application. Part number 9-5189 is also listed for additional Buick Regal, Oldsmobile Cutlass, and Pontiac Grand Prix applications across the covered years.

Common Uses

• Restoring camshaft end control in a worn valve train
• Replacing a damaged or missing cam button
• Addressing camshaft movement concerns during engine service
• Supporting proper timing component alignment in specific-fit engines
• Servicing OE-style engine rebuilds on Buick, Oldsmobile, Chevrolet, Cadillac, and Pontiac platforms

Installation Notes

Verify engine code, distributor drive configuration, and application notes before installation. Some listed vehicles require the Integral Distributor Drive Gear note to match correctly. Confirm camshaft button dimensions, seating depth, and spring placement during assembly. Because this is a specific-fit engine component, compare the original part and engine setup before final installation.

Quality Assurance

Cloyes states that this part is engineered to meet or exceed OEM performance requirements. The brand also emphasizes updated design and material selection to help deliver consistent, quiet operation in engine service.