Cloyes S863A Engine Timing Idler Sprocket

Overview of Cloyes Engine Timing Idler Sprocket S863A

The Cloyes Engine Timing Idler Sprocket S863A is designed for precise timing chain operation in select Dodge, Jeep, Mitsubishi, and Ram vehicles. Engineered from durable metal, this gray sprocket ensures reliable performance in demanding valve train applications.

• Constructed from high-quality metal for durability
• Specific fitment for Dodge Ram 1500, Jeep Grand Cherokee, Mitsubishi Raider, and more
• Three chain rows with multiple tooth widths (0.208", 0.345", 0.562")
• Tooth counts of 26, 44, and 50 for optimized chain engagement
• Dimensions: 5.05" outside diameter, 1.18" inside diameter, 2.45" thickness
• Single mounting hole with 1.18" inside diameter
• Non-adjustable design without keyway notch for secure installation

Detailed Product Description

The Cloyes S863A Engine Timing Idler Sprocket is a critical component in the valve train system, designed to maintain proper tension and alignment of the timing chain. Manufactured from metal, it offers strength and resistance to wear under high engine stress. The sprocket features three chain rows with varying tooth widths—0.208", 0.345", and 0.562"—to accommodate different chain configurations and ensure smooth operation. With tooth quantities of 26, 44, and 50, this sprocket supports precise timing chain engagement, reducing the risk of slippage or misalignment.

Its dimensions include a 5.05" outside diameter, 1.18" inside diameter, and 2.45" thickness, making it compatible with specific engine designs. The single mounting hole with a 1.18" inside diameter allows for secure attachment without the need for adjustment or keyway notches, simplifying installation and maintaining consistent performance.

Compatible Vehicles and Applications

This Cloyes Engine Timing Idler Sprocket S863A is specifically designed for use in the following vehicles:

• Dodge Ram 1500
• Jeep Grand Cherokee, Commander, Liberty, Nitro, Durango
• Mitsubishi Raider
• Dodge Dakota

Its precise fitment ensures proper timing chain function in these models, supporting engine reliability and performance.

Common Issues Addressed by the S863A Sprocket

• Timing chain slack or misalignment causing engine noise
• Wear or damage to existing idler sprockets leading to chain skipping
• Engine performance issues related to improper valve timing
• Replacement of worn components during timing chain service
• Prevention of premature timing chain failure in Dodge, Jeep, Mitsubishi, and Ram engines

Installation Notes and Tips

Installation of the Cloyes S863A Engine Timing Idler Sprocket requires proper alignment with the timing chain and mounting points. Since this sprocket is non-adjustable and lacks a keyway notch, ensure the mounting hole aligns precisely with the engine’s mounting stud. Use manufacturer-recommended torque specifications to secure the sprocket. It is advisable to inspect the timing chain and related components during installation to confirm overall system integrity.

Quality Assurance and Warranty

Cloyes manufactures the S863A sprocket to meet OEM specifications, ensuring compatibility and durability. Made from metal with precise engineering tolerances, this sprocket supports consistent engine timing performance. Warranty details are subject to Cloyes’ standard policies; please refer to official documentation for specific coverage information.