INA ZS-S803 Engine Balance Shaft Sprocket

INA Engine Balance Shaft Sprocket ZS-S803

INA ZS-S803 is an engine balance shaft sprocket built for OE-style timing gear service on select Chrysler, Dodge, Jeep, and Plymouth vehicles. It is a direct-fit replacement for applications that call for INA Global Number 554 0310 100 and is engineered for accurate timing gear operation in the valve train.

Key Features

• Engine balance shaft sprocket for timing system service
• Made from powdered metal, steel, or cast iron depending on application design
• Heat treated to exact hardness specifications for consistent wear characteristics
• OE-quality replacement for select Chrysler, Dodge, Jeep, and Plymouth engines
• Part number ZS-S803 for catalog and service reference

Detailed Description

INA ZS-S803 is a timing gear/sprocket component used in engine balance shaft applications where precise gear engagement matters. INA manufactures these sprockets to meet or exceed OE quality and performance expectations, using materials selected for strength and durability in engine timing service. This part cross-references 5540310100 for the same application. Common search terms for this part include Chrysler PT Cruiser balance shaft sprocket, Dodge Caravan engine balance shaft sprocket, and Jeep Wrangler upper balance shaft sprocket. The ZS-S803 part number is also referenced as INA Global Number 554 0310 100.

Compatible With

• Fits 1996-2007 Dodge Caravan, N/A; INA Global Number 554 0310 100
• Fits 2001-2006 Chrysler PT Cruiser, N/A; INA Global Number 554 0310 100
• Fits 2001-2006 Chrysler Sebring, N/A; INA Global Number 554 0310 100
• Fits 1996-1998 Chrysler Sebring, N/A; INA Global Number 554 0310 100
• Fits 1995-2006 Dodge Stratus, N/A; INA Global Number 554 0310 100
• Fits 2005-2006 Jeep TJ, N/A; INA Global Number 554 0310 100; Upper
• Fits 2003 Jeep TJ, N/A; INA Global Number 554 0310 100; Upper
• Fits 2003-2006 Jeep Wrangler, N/A; INA Global Number 554 0310 100; Upper
• Fits 2002-2005 Jeep Liberty, N/A; INA Global Number 554 0310 100; Upper
• Fits 2000-2003 Chrysler Voyager, N/A; INA Global Number 554 0310 100
• Fits 2000 Chrysler Cirrus, N/A; INA Global Number 554 0310 100
• Fits 1995-1997 Chrysler Cirrus, N/A; INA Global Number 554 0310 100
• Fits 1996-2000 Plymouth Breeze, N/A; INA Global Number 554 0310 100
• Fits 1996-2000 Plymouth Voyager, N/A; INA Global Number 554 0310 100
• Fits 1996-1997 Dodge Grand Caravan, N/A; INA Global Number 554 0310 100
• Fits 1997 Plymouth Grand Voyager, N/A; INA Global Number 554 0310 100

Common Service Uses

• Replacing a worn or damaged balance shaft sprocket
• Restoring proper timing gear engagement in the engine
• Addressing timing noise caused by sprocket wear
• Correcting balance shaft drive issues during engine repair
• Supporting maintenance on Chrysler, Dodge, Jeep, and Plymouth timing systems

Installation Notes and Tips

Verify engine application, model year, and upper-position notes before ordering. Confirm the part number ZS-S803 and INA Global Number 554 0310 100 against the original sprocket before installation. Timing components should be installed with the engine properly timed and inspected for related wear in the chain, gears, and tensioning components.

Quality Assurance

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