Dorman 13883 Automatic Transmission Flexplate Mounting Bolt

Dorman 13883 Flexplate Mounting Bolt

Dorman 13883 automatic transmission flexplate mounting bolts are made for securing the flexplate to the crankshaft on select Ford Super Duty trucks. This OE-style hardware is specified for 2011-2022 Ford F-250 Super Duty and 2011-2022 Ford F-350 Super Duty applications with M12 fitment requirements.

Key Features

• Steel construction for transmission and engine assembly use
• Fine-thread, 12 mm thread diameter for specified Ford applications
• Flat head style with Allen key drive
• Grade 9.8 bolt specification
• Designed to match original equipment fit and function
• Direct replacement for flexplate-to-crankshaft mounting service

Product Details

When replacing a cracked flexplate or a flexplate with tooth damage, the mounting hardware should be renewed at the same time. Dorman 13883 is built as an OE-style replacement for the original flexplate mounting bolts used on select Ford F-250 Super Duty and Ford F-350 Super Duty trucks. The steel, fine-thread design and Allen key drive support proper fastening during transmission service, while the flat head profile follows the original hardware style used in these applications. This part cross-references Ford OE numbers BC3Z6379B and BC3Z6379C for the same application.

Common Problems This Part Addresses

• Loose or damaged flexplate mounting hardware
• Hardware replacement during flexplate service
• Crankshaft-to-flexplate fastening issues
• Incorrect thread or head style during transmission repair
• Reassembly after flexplate cracking or tooth damage

Installation Notes and Tips

Verify M12 fitment before installation and confirm the vehicle application against the original hardware. Clean the crankshaft and flexplate mating surfaces before assembly, and follow the service manual for tightening sequence and torque specifications. For 2011-2022 Ford F-250 Super Duty and 2011-2022 Ford F-350 Super Duty repairs, use the correct Allen key tool to avoid rounding the head drive.

Quality Assurance

Dorman designs this flexplate mounting bolt to match the fit and function of the original equipment bolts on specified vehicles. Part number 13883 is engineered for direct replacement use in Ford Super Duty transmission hardware service.