INA ZC-78358 Engine Timing Set

INA Timing Chain Kit Overview

INA ZC-78358 is a premium engine timing set built for select 2001 Chevrolet and GMC applications. It is engineered to support accurate valve timing service on vehicles such as the Chevrolet Express 3500, Silverado 2500 HD, Silverado 3500, and Suburban 2500, as well as GMC Savana 3500, Sierra 2500 HD, Sierra 3500, and Yukon XL 2500.

For buyers searching for an INA timing chain kit for 2001 Chevrolet Silverado 2500 HD or a timing set for 2001 GMC Sierra 3500, this part number provides a direct-fit service option identified as INA Global Number 559 1745 100.

• Brand: INA
• Part Number: ZC-78358
• Category: Engine Timing Set
• Grade type: Premium
• Interchange reference: 5591745100
• Single roller chain specification noted in fitment

Timing Set Details

INA timing chain kits are assembled to include the essential components needed for timing system repair, with the manufacturer noting that kits may include chains, tensioners, guides, and, in some applications, gears and sprockets. This ZC-78358 listing is cataloged as an engine timing set for 2001 Chevrolet and GMC trucks and vans, making it a focused replacement choice for timing service on high-mileage V8 applications where chain wear can affect engine timing accuracy.

The ZC-78358 part number is also associated with reduced break-in friction through a specially formulated chain additive used in INA timing chain kit applications. That detail supports smoother initial operation after service and helps limit run-in wear during the repair period.

Vehicle Fitment

• Fits 2001 Chevrolet Express 3500, N/A
• Fits 2001 Chevrolet Silverado 2500 HD, N/A
• Fits 2001 Chevrolet Silverado 3500, N/A
• Fits 2001 Chevrolet Suburban 2500, N/A
• Fits 2001 GMC Savana 3500, N/A
• Fits 2001 GMC Sierra 2500 HD, N/A
• Fits 2001 GMC Sierra 3500, N/A
• Fits 2001 GMC Yukon XL 2500, N/A

Common Problems This Part Addresses

• Excessive timing chain stretch
• Rattling or noise from the timing area
• Incorrect camshaft and crankshaft synchronization
• Timing-related drivability issues
• Wear found during engine timing service

Installation Notes

Confirm engine application by VIN and existing timing component configuration before installation. This listing notes no chain guides, tensioner, gaskets, or drive sprocket included, so inspect the engine and replace any worn related components as needed during service. Proper timing alignment and torque procedures are critical when installing a timing chain kit on 2001 Chevrolet Silverado 2500 HD, 2001 GMC Sierra 3500, and other listed applications.

Quality Assurance

INA is a Schaeffler brand known for timing system components used in engine repair. This premium-grade timing set is cataloged with OE-style application coverage and a direct interchange reference for accurate parts matching.