Pioneer Cables FRA-566 Automatic Transmission Flexplate

Pioneer Cables FRA-566 Flexplate Overview

The Pioneer Cables FRA-566 automatic transmission flexplate is a direct replacement for select Ford and Mercury applications that require a 164-tooth, 14.25-inch flexplate. Built from high-grade steel and precision balanced to factory specifications, it restores the original fit and rotational consistency needed for smooth drivetrain operation.

Fits 2006-2010 Ford Explorer, N/A; Fits 2007-2010 Ford Explorer Sport Trac, N/A; Fits 2006-2010 Mercury Mountaineer, N/A.

• 164 teeth for the listed OE-style applications
• 14.25-inch outside diameter
• 11.4375-inch mounting hole diameter
• Built from high-grade steel for strength and consistency
• Automated welding process for uniform construction
• Precision balanced to factory specifications
• Interchange reference: 6L2Z6375AA

Detailed Fitment and Function

The FRA-566 is an automatic transmission flexplate for vehicles that use the specified 164-tooth pattern and 11.4375-inch bolt circle. It is engineered to match original dimensions, helping maintain proper starter engagement and crankshaft-to-transmission interface on the Ford Explorer, Ford Explorer Sport Trac, and Mercury Mountaineer listed above. If you are replacing a worn or damaged flexplate on a 2006-2010 Ford Explorer or 2006-2010 Mercury Mountaineer, this part number provides the dimensional match needed for the application.

Common Problems This Part Addresses

• Cracked or warped flexplate surfaces
• Starter engagement issues caused by worn teeth
• Vibration from an out-of-balance flexplate
• Noise from damaged or fatigued flexplate material
• Fitment issues when replacing an incorrect OE-style flexplate

Installation Notes and Tips

Verify tooth count, outside diameter, and bolt circle diameter before installation. Confirm the transmission and engine combination matches the listed application, especially when servicing a Ford Explorer, Ford Explorer Sport Trac, or Mercury Mountaineer. Inspect the starter ring gear area, crankshaft flange, and related fasteners for wear or damage before installing the new flexplate.

Quality Assurance

Pioneer Cables manufactures this flexplate as an OE-style replacement using original dimensions, automated welding, and factory-spec balancing to support consistent performance in the listed applications. Part number FRA-566 is built to restore the dimensional and balance characteristics expected for this fitment.