ATP Parts ZA-539 Automatic Transmission Ring Gear

Reliable Automatic Transmission Ring Gear for Ford and Mercury Vehicles

The ATP Parts ZA-539 automatic transmission ring gear is engineered to meet the precise specifications required for select Ford and Mercury models. Designed with exacting dimensions and tooth count, this ring gear ensures proper engagement and smooth transmission operation.

• Inside diameter: 10.309 inches for accurate fitment
• Outside diameter: 11.157 inches to match OEM standards
• Thickness: 0.365 inches for durability and strength
• 132 teeth for precise gear meshing
• Pitch flywheels: 12/14 for compatibility with specific transmission assemblies
• No chamfer on the ring gear for exact OEM replacement

Detailed Product Description

The ATP Parts ZA-539 automatic transmission ring gear is manufactured to fit a range of Ford and Mercury vehicles, including the Bronco, Capri, Colony Park, E-100 Econoline, Econoline, F-100, F-250, F-350, Montego, Mustang, and Villager. With an inside diameter of 10.309 inches and an outside diameter of 11.157 inches, this ring gear is designed to maintain proper alignment and engagement within the transmission assembly. The 132-tooth count ensures compatibility with the corresponding pinion gear, while the 0.365-inch thickness provides the necessary strength to withstand transmission torque loads. The 12/14 pitch flywheels specification aligns with the original equipment requirements, ensuring smooth operation and longevity. This ring gear does not feature a chamfer, matching the original design for a direct replacement.

Applications and Problem Solving

• Replacement for worn or damaged automatic transmission ring gears in Ford Bronco and Mustang models
• Restores proper gear engagement in Mercury Capri and Colony Park transmissions
• Addresses issues related to transmission noise caused by gear wear in Econoline and F-Series trucks
• Helps resolve slipping or rough shifting due to ring gear damage in Montego and Villager vehicles
• Supports transmission rebuilds requiring OEM-spec ring gear dimensions and tooth count

Installation Notes and Tips

• Ensure the ring gear is properly aligned with the flywheel and torque bolts to manufacturer specifications
• Inspect mating components such as the pinion gear and bearings for wear before installation
• Use appropriate tools to avoid damaging gear teeth during installation
• Verify the pitch and tooth count match the original parts to prevent transmission malfunction

Quality Assurance and Warranty

ATP Parts manufactures the ZA-539 ring gear to meet strict quality standards, ensuring durability and reliable performance in automatic transmissions. While specific warranty details are not provided, ATP Parts products typically adhere to industry standards for fit and function, supporting professional transmission repairs and rebuilds.