INA ZS-S-864 Engine Timing Idler Sprocket

Engine Timing Idler Sprocket for Chrysler, Dodge, Jeep, and Ram

The INA ZS-S-864 engine timing idler sprocket is a direct-fit timing gear component for select Chrysler, Dodge, Jeep, Mitsubishi, and Ram applications. Built to OE-quality standards, it is made from powdered metal, steel, or cast iron and heat treated to exact hardness specifications for consistent timing system performance.

Key Features

• Engine timing idler sprocket for valve train service
• OE-quality construction from high-grade powdered metal, steel, or cast iron
• Heat treated to exact hardness specifications
• Fits select 2002-2013 Ram 1500 and related V6/V8 timing applications
• Part number ZS-S-864 for catalog and service reference

Detailed Description

INA ZS-S-864 is an engine timing idler sprocket used in timing gear service on select Jeep Liberty, Dodge Dakota, Dodge Durango, Dodge Nitro, Jeep Grand Cherokee, Jeep Commander, Chrysler Aspen, Mitsubishi Raider, and Ram 1500 models. This timing gear/sprocket is engineered to meet or exceed OE quality and performance expectations, making it a practical replacement for worn or damaged timing components. This part cross-references INA Global Number 554 0859 100 for the same application.

Compatible With 2002-2012 Jeep Liberty, 2004-2010 Dodge Dakota, 2002-2010 Dodge Ram 1500, 2004-2009 Dodge Durango, 2005-2010 Jeep Grand Cherokee, and other listed Chrysler, Dodge, Jeep, Mitsubishi, and Ram applications. Use ZS-S-864 when servicing the timing system on vehicles that require this secondary sprocket configuration.

What It Helps Address

• Worn or noisy timing sprocket surfaces
• Timing chain drive irregularities caused by sprocket wear
• Service replacement for a damaged secondary timing gear
• Restoration of proper valve train timing component operation
• Replacement during timing system repair on listed Ram, Dodge, Jeep, and Chrysler models

Installation Notes and Tips

Verify engine code, timing system layout, and OE part number before installation. Several listed applications note secondary use or order-separately requirements, so confirm the exact timing kit configuration for your vehicle. Follow factory timing procedures and torque specifications during service to maintain correct camshaft and crankshaft synchronization.

Quality Assurance

INA manufactures this sprocket using controlled materials and heat treatment processes to match OE-level hardness and durability targets. The ZS-S-864 is built for dependable timing system service on the listed Chrysler, Dodge, Jeep, Mitsubishi Raider, and Ram 1500 applications.