ATP Parts ZA-542 Automatic Transmission Ring Gear

Reliable Automatic Transmission Ring Gear for Ford and Mercury Vehicles

The ATP Parts ZA-542 automatic transmission ring gear is engineered to meet the precise specifications required for a range of Ford and Mercury models. Designed with exact dimensions and tooth count, this ring gear ensures proper engagement and smooth transmission operation.

• Inside diameter: 10.141 inches
• Outside diameter: 11.256 inches
• Thickness: 0.365 inches
• Tooth quantity: 132 teeth
• Pitch diameter (flywheels): 12.025 inches
• No ring gear chamfer for consistent fitment

Detailed Specifications and Design Features

The ZA-542 ring gear from ATP Parts is manufactured to precise tolerances, featuring a 132-tooth count that matches original equipment requirements for compatible vehicles. Its 10.141-inch inside diameter and 11.256-inch outside diameter provide a secure fit on the transmission assembly. The 0.365-inch thickness contributes to durability and proper meshing with the starter motor. The absence of a chamfer on the ring gear ensures consistent contact surfaces, reducing the risk of misalignment during installation.

Compatible Ford and Mercury Models

This automatic transmission ring gear is compatible with a variety of Ford and Mercury vehicles, including but not limited to Aerostar, Bobcat, Capri, Cougar, Courier, Escort, Fairmont, LN7, LTD, Lynx, Marquis, Mustang, Pinto, Probe, Ranger, Sable, Taurus, Tempo, Thunderbird, Topaz, Tracer, and Zephyr models. The part number ZA-542 is designed specifically to meet the transmission requirements of these vehicles, ensuring reliable performance.

Common Applications and Problem Resolution

• Replacement for worn or damaged transmission ring gears
• Restores proper starter engagement and transmission function
• Addresses issues with transmission noise or slipping
• Prevents starter motor damage caused by faulty ring gear teeth
• Supports smooth gear shifting and drivetrain operation

Installation Notes and Tips

When installing the ATP Parts ZA-542 ring gear, ensure the transmission housing and mating surfaces are clean and free of debris. Verify the tooth count and dimensions match the original part to avoid fitment issues. Proper alignment during installation is critical to prevent premature wear or damage. It is recommended to inspect the starter motor and flywheel for wear when replacing the ring gear.

Quality Assurance and Warranty

ATP Parts manufactures the ZA-542 ring gear to meet industry standards for durability and performance. While specific warranty details are not provided, ATP Parts products typically undergo quality control processes to ensure reliability in automotive applications. For peace of mind, verify warranty coverage with the distributor or manufacturer documentation.