Cloyes S913 Engine Timing Crankshaft Sprocket - Outer

Overview of Cloyes Engine Timing Crankshaft Sprocket S913

The Cloyes S913 engine timing crankshaft sprocket is designed for precise timing control in select Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, and Saab vehicles. Engineered from durable metal, this specific-fit sprocket ensures reliable performance for models such as the Trailblazer, Envoy, and 9-7x.

• Constructed from high-quality metal for durability
• Single chain row design with 29 teeth for accurate timing
• Gray finish with a thickness of 1.56 inches
• Inside diameter and mounting hole diameter both measure 1.26 inches
• Includes a keyway notch for secure installation
• Specific fit for select Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, and Saab models

Detailed Product Description and Specifications

The Cloyes S913 crankshaft sprocket is a critical component in the engine valve train system, responsible for maintaining precise timing between the crankshaft and camshaft. This sprocket features a single chain row with 29 teeth, each tooth measuring 0.16 inches in width, ensuring consistent engagement with the timing chain. The sprocket’s outside diameter is 2.98 inches, and it has a thickness of 1.56 inches, providing the necessary strength and stability for engine operation. The gray metal finish offers corrosion resistance and long-term durability. The sprocket includes one mounting hole with an inside diameter of 1.26 inches and a keyway notch to ensure proper alignment and secure fitment during installation.

Compatible Vehicles and Applications

This Cloyes S913 engine timing crankshaft sprocket is specifically designed for use with the following makes and models:

• Buick: Rainier
• Chevrolet: Canyon, Colorado, Trailblazer, Trailblazer EXT
• GMC: Canyon, Envoy, Envoy XL, Envoy XUV, H3, H3T
• Hummer: H3, H3T
• Isuzu: Ascender, i-280, i-290, i-350, i-370
• Oldsmobile: Bravada
• Saab: 9-7x

Common Issues Addressed by the S913 Crankshaft Sprocket

• Timing chain slippage causing engine misfires or rough idling
• Wear or damage to the original sprocket teeth leading to poor timing accuracy
• Excessive engine noise related to timing chain components
• Engine performance loss due to improper valve timing
• Replacement during engine rebuilds or maintenance to ensure timing system integrity

Installation Notes and Tips

When installing the Cloyes S913 crankshaft sprocket, ensure the keyway notch aligns correctly with the crankshaft key to prevent timing misalignment. Verify that the mounting hole diameter matches the crankshaft specifications for a secure fit. It is recommended to inspect the timing chain and related components for wear during installation and replace as necessary. Proper torque specifications should be followed to avoid damage to the sprocket or crankshaft.

Quality Assurance and Warranty Information

Cloyes manufactures the S913 sprocket to meet or exceed OEM standards, ensuring reliable performance and durability. The metal construction and precise machining contribute to long service life. While specific warranty details may vary, Cloyes typically offers coverage against manufacturing defects. Refer to the product documentation or manufacturer for exact warranty terms.