Pioneer Cables FRA-135 Automatic Transmission Flexplate

Automatic Transmission Flexplate for Buick Riviera

The Pioneer Cables FRA-135 is an automatic transmission flexplate built to restore OEM-level performance in the drivetrain. It is made from high-grade steel, welded with an automated process for consistent strength, and precision balanced to factory specifications for smooth operation.

Compatible with 1981-1985 Buick Riviera applications, this flexplate uses 162 teeth and a 13.625-inch outside diameter. The 11.5-inch mounting hole diameter and 12-to-14 pitch flywheel specification make it a direct-fit replacement for the listed vehicle application.

Key Features

• Part number: FRA-135
• Automatic transmission flexplate for Buick Riviera
• 162-tooth ring gear
• 13.625-inch outside diameter
• 11.5-inch mounting hole diameter
• Built from high-grade steel
• Automated welding for consistent construction
• Precision balanced to factory specs
• Compatible with 1981-1985 Buick Riviera, N/A

Detailed Description

Pioneer Cables FRA-135 is an OE-style replacement flexplate for automatic transmission applications. It is manufactured to original dimensions and balanced for factory-level rotational consistency, helping maintain proper starter engagement and drivetrain operation. This part cross-references Gates 33631 for the same application.

For Buick Riviera owners searching for a 1981-1985 Buick Riviera automatic transmission flexplate, FRA-135 provides the specified 162-tooth configuration and the correct 13.625-inch diameter. The part number FRA-135 is also useful when verifying interchange references during repair or replacement.

What It Helps Solve

• Cracked or fatigued flexplate material
• Starter engagement issues caused by worn ring gear teeth
• Vibration from an out-of-balance flexplate
• Noise from damaged or distorted transmission-to-engine mounting surfaces
• Replacement needs for a 1981-1985 Buick Riviera flexplate

Installation Notes and Tips

Verify tooth count, outside diameter, and mounting dimensions before installation. Confirm the 12-to-14 pitch flywheel specification matches the vehicle setup, and inspect the starter, torque converter interface, and mounting surfaces for wear before installing the new flexplate. Use the vehicle service information for torque procedures and fastener sequence.

Quality Assurance

This Pioneer Cables flexplate is built from high-grade steel, welded for consistent construction, and precision balanced to factory specifications to support reliable replacement performance.