INA ZS-S377 Engine Timing Crankshaft Sprocket

INA ZS-S377 Timing Crankshaft Sprocket

INA ZS-S377 is an engine timing crankshaft sprocket built for valve train service where OE-level fit and timing accuracy matter. It is a direct replacement part for timing system repairs on applications that call for this sprocket design.

Key Features

• Engine timing crankshaft sprocket for valve train applications
• Made from powdered metal, steel, or cast iron depending on application design
• Heat treated to exact hardness specifications
• Built to meet or exceed OE quality and performance targets
• INA part number ZS-S377 for catalog and service identification

Product Details

INA timing gears and sprockets are engineered for precise timing control and durable service in the engine timing system. This sprocket is designed for applications that require accurate crankshaft-to-camshaft synchronization, helping maintain proper engine timing under normal operating conditions. If you are sourcing an engine timing crankshaft sprocket for a repair, ZS-S377 provides a straightforward OE-style replacement option. This part cross-references 5540714100 for the same application.

Common Repair Uses

• Restores worn or damaged crankshaft sprocket teeth
• Addresses timing chain or belt indexing concerns tied to sprocket wear
• Replaces a noisy or out-of-spec timing drive component
• Supports engine timing service after front cover or timing set repair

Installation Notes

Inspect the full timing system before installation, including the chain or belt, guides, tensioner, and related seals. Confirm tooth count, alignment, and OE specifications before assembly. Professional installation is recommended for engine timing components to ensure correct synchronization and torque procedures.

Quality Assurance

INA manufactures timing sprockets to OE-quality standards using controlled materials and heat treatment processes for consistent hardness and durability. Part number ZS-S377 is identified for service matching and replacement selection.