ATP Parts ZA-548 Clutch Flywheel Ring Gear

Clutch Flywheel Ring Gear for Volkswagen Beetle

ATP Parts ZA-548 is a clutch flywheel ring gear built for starter engagement on select Volkswagen Beetle applications. It is made to match the original part’s fit and function, with the tooth profile and dimensions needed for reliable engine cranking.

• Part number: ZA-548
• 109 teeth for starter motor engagement
• Inside diameter: 9.993 in.
• Outside diameter: 10.731 in.
• Thickness: 0.375 in.
• Pitch flywheels: 10
• Ring gear chamfer: NONE

Fitment and Application Details

Fits 1960-1967 Volkswagen Beetle, N/A. This ring gear is listed for Volkswagen Beetle models with 109 teeth and a 10.731-inch outer diameter. ATP Parts ZA-548 is also a direct reference point for shoppers searching for a Volkswagen Beetle flywheel ring gear replacement or a 109-tooth clutch flywheel ring gear for 1960-1967 Volkswagen Beetle applications.

This part cross-references Pioneer Automotive Industries FRG-109V and AMS Automotive 4466 for the same application.

Common Problems This Part Can Address

• Worn starter engagement teeth on the flywheel ring gear
• Broken or chipped ring gear teeth that prevent cranking
• Starter motor slipping or failing to engage the flywheel
• Hard-start conditions caused by damaged ring gear teeth
• Noise during engine start from uneven tooth wear

Installation Notes and Quality

Inspect the flywheel and starter drive before installation to confirm the new ring gear matches the original tooth count, diameter, and thickness. Proper alignment and secure seating are important for consistent starter engagement. ATP Parts designs this ring gear to function like the original component for durability and long service life.

Quality assurance is based on OE-style fit and function, with dimensions and tooth count specified for the listed Volkswagen Beetle applications.