Standard Ignition VVT573 Engine Variable Valve Timing (VVT) Sprocket - Exhaust (Right)

Standard Ignition VVT573 Exhaust VVT Sprocket

Standard Ignition VVT573 is an engine variable valve timing sprocket for the exhaust side of select Subaru applications. It is built with a metal gear, a crankshaft-style gear type, and a keyed mounting design for direct replacement service on covered vehicles.

Key Features

• Engine variable valve timing sprocket for exhaust-side service
• Metal gear construction for durable drivetrain operation
• Crankshaft gear type with keyway notch
• 54 teeth with one gear and one row
• Inside diameter: 4.14 in. (105.156 mm)
• Outside diameter: 4.96 in. (125.984 mm)
• Thickness and tooth width: 1.45 in. (36.83 mm)
• Lug hole diameter: 0.58 in. (14.732 mm)

Product Details

Standard Ignition VVT573 is an exhaust variable valve timing sprocket engineered for Subaru engines that use a right-side exhaust cam drive. It is listed for 2002-2014 Subaru Impreza, 2004-2013 Subaru Forester, 2004-2009 Subaru Legacy, 2005-2009 Subaru Outback, and 2004-2006 Subaru Baja. This part number, VVT573, is also referenced for direct replacement service where the original sprocket matches the same application and dimensions.

This part cross-references 13049AA040 and 35-1371 for the same application.

What It Helps Address

• Rattling or irregular operation from a worn VVT sprocket
• Cam timing concerns on the exhaust side
• Driveability issues related to variable valve timing control
• Check engine light conditions tied to cam timing performance
• Service replacement needs on Subaru Impreza, Forester, Legacy, Outback, and Baja engines

Installation Notes and Tips

Verify the exhaust-right position, tooth count, inside diameter, and mounting features before installation. Confirm the vehicle year and engine configuration against the listed fitment for Subaru Impreza, Forester, Legacy, Outback, and Baja applications. Follow factory timing procedures and torque specifications during service to maintain correct cam timing.

Quality Assurance

Standard Ignition VVT573 is built as a replacement engine variable valve timing sprocket for covered Subaru applications. Its metal construction, keyed design, and application-specific dimensions support accurate fitment when matched to the original part number and engine layout.