Pioneer Cables FRA-531 Automatic Transmission Flexplate

Automatic Transmission Flexplate for GM 168-Tooth Applications

The Pioneer Cables FRA-531 is an automatic transmission flexplate built to restore OEM-level performance in select GM truck and van applications. It is made from high-grade steel, welded with an automated process for consistent strength, and precision balanced to factory specifications.

Use this flexplate when you need a direct replacement for a 168-tooth, 14.125-inch outside diameter setup. The FRA-531 is a fitment-based solution for Chevrolet Silverado 2500 HD, Silverado 3500, Suburban 2500, Avalanche 2500, Express 3500, and GMC Sierra and Savana heavy-duty applications.

Key Features

• Automatic transmission flexplate for GM applications
• 168 teeth with a 14.125-inch outside diameter
• Built from high-grade steel for structural consistency
• Automated welding process for repeatable strength
• Precision balanced to factory specifications
• Pitch flywheels: 12 to 14
• Cross-references 12561217 and AA-G185 for the same application

Detailed Description

Pioneer Cables FRA-531 is an OE-style replacement flexplate engineered to match original dimensions and restore proper starter engagement and drivetrain operation. Its 168-tooth design and 14.125-inch outside diameter make it a direct-match option for many 2001-2007 Chevrolet and GMC heavy-duty platforms, including Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, Sierra 3500, Yukon XL 2500, and related Express and Savana 3500 models. If you are servicing a Chevrolet Silverado 2500 HD Classic or GMC Sierra 3500 Classic, this part number also appears in those 2007 applications.

For buyers searching by vehicle and specification, this flexplate is a practical choice for 2001-2006 Chevrolet Silverado 2500 HD flexplate replacement, 2001-2006 GMC Sierra 3500 automatic transmission flexplate replacement, and 2002-2006 Chevrolet Avalanche 2500 flexplate applications. The FRA-531 part number is also useful when matching interchange references during repair planning.

What It Helps Address

• Cracked or warped flexplate surfaces
• Starter ring gear engagement problems
• Vibration caused by an out-of-balance flexplate
• Noise from damaged or worn flexplate teeth
• Replacement needs after transmission or engine service

Installation Notes and Tips

Verify tooth count, outside diameter, and pitch before installation. This flexplate is listed for 168-tooth applications with a 14.125-inch outside diameter, so confirm your original part matches those dimensions before ordering. Check starter alignment, crankshaft bolt pattern, and transmission setup during installation to ensure proper fitment on Chevrolet Silverado, GMC Sierra, and related GM heavy-duty platforms.

Quality Assurance

Pioneer Cables manufactures this flexplate from high-grade steel and balances it to factory specifications to support consistent fit and operation. The automated welding process adds repeatable construction quality for service replacement use.