INA ZS-S539 Engine Timing Crankshaft Sprocket

INA Timing Crankshaft Sprocket ZS-S539

INA ZS-S539 is an engine timing crankshaft sprocket for select Ford, Mercury, and Lincoln applications. It is built to OE-quality standards using heat-treated powdered metal, steel, or cast iron construction for accurate timing gear performance.

Key Features

• Engine timing crankshaft sprocket for valve train service
• OE-quality replacement for timing gear applications
• Heat-treated to exact hardness specifications
• Constructed from powdered metal, steel, or cast iron depending on application design
• Cross-references INA Global Number 554 0751 100

Fitment

• Fits 2005-2008 Ford F-150, N/A
• Fits 1997-2003 Ford F-150, N/A
• Fits 2004-2007 Ford Freestar, N/A
• Fits 2004 Ford F-150 Heritage, N/A
• Fits 1994-2004 Ford Mustang, N/A
• Fits 1983-1986 Ford Mustang, N/A
• Fits 2003 Ford E-150, N/A
• Fits 2003 Ford E-150 Club Wagon, N/A
• Fits 2003 Ford E-250, N/A
• Fits 1995-2003 Ford Windstar, N/A
• Fits 1997-2002 Ford E-150 Econoline, N/A
• Fits 1997-2002 Ford E-150 Econoline Club Wagon, N/A
• Fits 1997-2002 Ford E-250 Econoline, N/A
• Fits 1990-1997 Mercury Cougar, N/A
• Fits 1982-1987 Mercury Cougar, N/A
• Fits 1990-1995 Ford Taurus, N/A
• Fits 1989-1995 Ford Thunderbird, N/A
• Fits 1990-1995 Mercury Sable, N/A
• Fits 1988-1994 Lincoln Continental, N/A
• Fits 1982 Lincoln Continental, N/A
• Fits 1983-1986 Ford LTD, N/A
• Fits 1983-1986 Mercury Capri, N/A
• Fits 1983-1986 Mercury Marquis, N/A
• Fits 1982-1983 Ford F-100, N/A

What It Helps Address

• Worn or damaged crankshaft timing sprocket teeth
• Timing chain drive noise caused by sprocket wear
• Incorrect cam/crank synchronization from timing gear deterioration
• Service replacement needs during timing system repair
• Restoration work on Ford Mustang, F-150, and related applications

Installation Notes

Verify engine code and timing system configuration before ordering. This part is listed for multiple Ford, Mercury, and Lincoln models, including Ford Mustang, Ford F-150, and Mercury Cougar applications. Professional timing service procedures should be followed to maintain correct camshaft and crankshaft alignment.

Quality Assurance

INA timing gears and sprockets are manufactured to meet or exceed OE performance expectations. The sprocket is produced from high-quality metal materials and heat treated to controlled hardness specifications for consistent timing system operation.