INA ZS-S865A Engine Timing Idler Sprocket

INA Timing Idler Sprocket for OE-Style Timing Service

The INA ZS-S865A engine timing idler sprocket is built for timing system service where accurate gear engagement matters. It is a direct-fit timing component for select Dodge and Jeep applications, including Dodge Dakota, Dodge Durango, Dodge Ram 1500, Jeep Commander, and Jeep Grand Cherokee.

INA timing gears and sprockets are manufactured from high-grade powdered metal, steel, or cast iron and heat treated to precise hardness specifications for OE-level fit and function. The ZS-S865A is also referenced under INA Global Number 554 0866 100.

Key Features

• Engine timing idler sprocket for valve train service
• OE-quality replacement from INA
• Built from powdered metal, steel, or cast iron depending on application design
• Heat treated to controlled hardness specifications
• Fits 1999-2006 Jeep Grand Cherokee, N/A
• Fits 2000-2006 Dodge Dakota, N/A
• Fits 2000-2006 Dodge Durango, N/A
• Fits 2002-2006 Dodge Ram 1500, N/A
• Fits 2006 Jeep Commander, N/A

Detailed Description

Use the INA ZS-S865A when replacing a worn or noisy timing idler sprocket in supported Dodge and Jeep engines. This part number, ZS-S865A, is engineered to meet OE quality expectations for timing gear operation, helping maintain proper chain or gear engagement in the engine timing system. This part cross-references INA Global Number 554 0866 100 for the same application.

Compatible With 1999-2006 Jeep Grand Cherokee, 2000-2006 Dodge Dakota, 2000-2006 Dodge Durango, 2002-2006 Dodge Ram 1500, and 2006 Jeep Commander applications listed above. If you are searching for a Dodge Dakota timing idler sprocket, Dodge Durango engine timing gear, or Jeep Grand Cherokee timing sprocket replacement, the INA ZS-S865A is the matching service part for those confirmed vehicles.

What It Helps Address

• Timing gear wear or tooth damage
• Noise from a worn idler sprocket
• Improper timing chain or gear engagement
• Service replacement during timing component repair

Installation Notes and Tips

Verify engine code and timing component layout before installation. Replace related timing parts as needed during service, and follow the vehicle manufacturer’s timing alignment procedures to maintain correct engine timing. Confirm the part number ZS-S865A and the vehicle application before assembly.

Quality Assurance

INA timing sprockets are produced to OE-quality standards using controlled materials and heat treatment processes for consistent performance in engine timing service.