INA ZS-S848T Engine Timing Camshaft Sprocket

INA Timing Camshaft Sprocket ZS-S848T

INA ZS-S848T is an engine timing camshaft sprocket built for OE-level fit and function in supported GM applications. It is a direct replacement timing gear for camshaft drive service on vehicles such as the Chevrolet Malibu, Pontiac Grand Prix, and Buick Century.

Key Features

• Engine timing camshaft sprocket for valve train service
• Made from powdered metal, steel, or cast iron depending on application requirements
• Heat treated to exact hardness specifications
• Built to meet or exceed OE quality and performance targets
• INA part number ZS-S848T for catalog and service reference

Detailed Application Coverage

Compatible with a wide range of GM vehicles from 1999-2007, including Fits 2000-2006 Chevrolet Malibu, Fits 2000-2005 Pontiac Grand Am, and Fits 2002-2007 Buick Rendezvous. Additional coverage includes Fits 2005-2007 Chevrolet Equinox, Fits 2006-2007 Pontiac Torrent, Fits 2005-2006 Buick Terraza, and Fits 2005-2006 Chevrolet Uplander. This part also cross-references INA Global Number 554 0527 100 for the same application.

Use ZS-S848T when replacing a worn or damaged cam sprocket in timing service on supported Buick, Chevrolet, Pontiac, Saturn, and Oldsmobile models. The part number ZS-S848T is also listed for select 1999 applications with 50-tooth second-design notes.

What This Part Is Used For

• Restoring camshaft timing accuracy after sprocket wear
• Replacing a noisy, damaged, or out-of-spec timing gear
• Addressing timing chain drive issues during engine repair
• Supporting proper valve timing on GM 3.1L/3.4L-era applications where equipped

Installation Notes and Tips

Verify engine code, tooth count, and design revision before installation, especially on 1999 Buick Century and 1999 Pontiac Grand Prix applications noted as second design, 50 teeth. Inspect the timing chain, guides, and related valve train components during service, and confirm cam sprocket alignment against factory timing marks.

Quality Assurance

INA timing gears and sprockets are manufactured to OE-quality standards using controlled materials and heat treatment for consistent hardness and durability. ZS-S848T is engineered for direct replacement use in the listed applications.