Pioneer Cables FRA-338 Automatic Transmission Flexplate

Automatic Transmission Flexplate for OE-Style Replacement

The Pioneer Cables FRA-338 automatic transmission flexplate is built to restore factory-style performance in supported applications. It uses high-grade steel, original dimensions, automated welding for consistent strength, and precision balancing to factory specifications.

Compatible With Buick Skylark, Oldsmobile Calais, Oldsmobile Cutlass Calais, Pontiac Grand Am, Buick LeSabre, and Oldsmobile Delta 88 applications that call for a 142-tooth flexplate with an 11.938-inch outside diameter.

Key Features

• Part number: FRA-338
• 142 teeth for the specified starter engagement pattern
• 11.938-inch outside diameter
• 9.5 mm mounting hole diameter
• 0.995-inch center diameter
• Built from high-grade steel for replacement use
• Automated welding process for consistent construction
• Precision balanced to factory specifications
• Pitch flywheels: 12 to 14

Detailed Description

Pioneer Cables FRA-338 is an automatic transmission flexplate engineered as a direct replacement for vehicles requiring the listed tooth count and dimensions. The plate is formed to original size, welded for structural consistency, and balanced to help maintain smooth operation in the drivetrain. This makes it a practical choice for Buick Skylark, Oldsmobile Calais, and Pontiac Grand Am applications, as well as the listed Buick LeSabre and Oldsmobile Delta 88 fitments.

This part cross-references AMS Automotive 4430 for the same application. Additional interchange references include 4161067 and 6005107.

What It Helps Address

• Cracked or warped flexplate surfaces
• Starter engagement issues caused by worn ring gear teeth
• Vibration related to an out-of-balance flexplate
• Noise from a damaged or fatigued transmission flexplate
• Replacement needs during transmission service or engine removal

Installation Notes and Tips

• Verify 142 teeth, 11.938-inch outside diameter, and 9.5 mm mounting hole diameter before installation.
• Confirm the vehicle requires a 12-to-14 pitch flywheel pattern.
• Inspect the starter, torque converter, and related fasteners before reassembly.
• Check crankshaft and converter alignment during installation to help prevent runout concerns.
• Use the vehicle-specific service procedure for torque values and final inspection.

Quality Assurance

Pioneer Cables manufactures this flexplate to original dimensions and balances it to factory specs for consistent replacement performance. The automated welding process adds repeatable construction quality for supported automatic transmission applications.