Cloyes S827 Engine Timing Crankshaft Sprocket - Outer

Reliable Timing Crankshaft Sprocket for Select GM and Isuzu Models

The Cloyes Timing Crankshaft Sprocket S827 is engineered to provide precise timing and durability for a range of vehicles including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab models. Designed specifically for applications requiring a single chain row, this metal sprocket ensures consistent engine performance and timing accuracy.

• Constructed from durable metal for long-lasting wear resistance
• Single chain row design with 22 teeth for accurate timing engagement
• Gray finish with a 3.71" outside diameter and 1.49" inside diameter
• Thickness of 1.72" and tooth width of 0.21" for precise fitment
• Includes a keyway notch and one mounting hole with 1.49" diameter
• Specific fit for various GM and Isuzu models, not universal

About the Cloyes Timing Crankshaft Sprocket Product Line

The Cloyes Timing Crankshaft Sprocket line focuses on delivering reliable valve train components designed to maintain engine timing integrity. The S827 sprocket is part of this line, engineered to meet exact OEM specifications for specific vehicle applications. This ensures compatibility and performance consistency across multiple makes and models.

Detailed Product Description

The Cloyes S827 Timing Crankshaft Sprocket is a precision-engineered component made from metal to withstand the stresses of engine operation. Featuring a single chain row with 22 teeth, it is designed to mesh accurately with timing chains, maintaining proper valve timing. The sprocket’s dimensions, including a 3.71" outside diameter, 1.49" inside diameter, and 1.72" thickness, provide a secure and exact fit. The gray color finish is typical for metal sprockets, and the inclusion of a keyway notch ensures proper alignment during installation. This sprocket is intended for specific fitment on models such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, and Isuzu Ascender, among others.

Common Applications and Issues Addressed

• Restores proper engine timing in vehicles with worn or damaged crankshaft sprockets
• Eliminates timing chain slippage caused by sprocket tooth wear
• Prevents engine misfires and rough idling related to timing component failure
• Supports maintenance and repair of valve train components in GM and Isuzu trucks and SUVs
• Ensures accurate timing for improved engine efficiency and longevity

Installation Notes and Tips

When installing the Cloyes Timing Crankshaft Sprocket S827, ensure the keyway notch aligns correctly with the crankshaft key to maintain timing accuracy. Verify that the mounting hole diameter matches the crankshaft specifications for a secure fit. This sprocket is not adjustable, so precise alignment during installation is critical. It is recommended to inspect the timing chain and related components for wear and replace as necessary to avoid premature failure.

Quality Assurance and Warranty

Cloyes manufactures the Timing Crankshaft Sprocket S827 to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details are not provided, Cloyes products typically adhere to OEM quality requirements, offering confidence in fit and function for compatible Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab vehicles.