Cloyes S859 Engine Timing Crankshaft Sprocket - Outer

Overview of Cloyes Engine Timing Crankshaft Sprocket S859

The Cloyes S859 Engine Timing Crankshaft Sprocket is designed for precise timing control in select Ford, Mazda, and Mercury vehicles. Engineered from durable metal, this sprocket ensures reliable performance for models like the Ford Ranger, Mazda B3000, and Mercury Sable.

• Constructed from high-quality metal for durability
• Single chain row design with 19 teeth for accurate timing
• Gray finish with a 0.41 inch tooth width
• Specific fit for Ford, Mazda, and Mercury models
• Includes a keyway notch and one mounting hole for secure installation
• Dimensions: 2.28 inch outside diameter, 1.25 inch inside diameter, 0.78 inch thickness

Detailed Product Description

The Cloyes S859 crankshaft sprocket is a critical component in the engine timing system, designed to maintain synchronization between the crankshaft and camshaft. This sprocket features a single chain row with 19 teeth, each measuring 0.41 inches in width, providing precise engagement with the timing chain. Its metal construction offers strength and resistance to wear, while the gray color finish helps with corrosion resistance. The sprocket includes a keyway notch and a single mounting hole with a 1.25 inch inside diameter, ensuring a secure and exact fit on the crankshaft. With an outside diameter of 2.28 inches and a thickness of 0.78 inches, it meets the exact specifications required for proper engine timing in specific vehicle models.

Compatible Vehicles and Applications

This engine timing crankshaft sprocket is specifically designed for use in the following vehicles:

• Ford Ranger and F-100 Ranger
• Mazda B3000
• Mercury Sable, Taurus, and Windstar

It is engineered to replace the original equipment part, ensuring proper fit and function in these models.

Common Issues Addressed by the Cloyes S859 Sprocket

• Worn or damaged crankshaft sprocket teeth causing timing chain slippage
• Engine timing irregularities leading to poor performance or misfires
• Excessive wear from metal fatigue or corrosion
• Noise or vibration related to timing chain engagement
• Replacement of a broken or missing sprocket to restore engine timing

Installation Notes and Tips

When installing the Cloyes S859 crankshaft sprocket, ensure the keyway notch aligns correctly with the crankshaft key for proper timing alignment. Verify that the mounting hole diameter matches the crankshaft specifications to avoid fitment issues. It is recommended to inspect the timing chain and related components during installation to ensure overall system integrity. Professional installation is advised to maintain engine timing accuracy and prevent potential damage.

Quality Assurance and Warranty

Cloyes manufactures this engine timing crankshaft sprocket to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided, Cloyes products typically undergo rigorous quality control to ensure reliability in demanding engine environments. Using the S859 part number guarantees compatibility and quality for your Ford, Mazda, or Mercury vehicle.