Genuine 99907309101 Automatic Transmission Flexplate Mounting Bolt

OE Flexplate Mounting Bolt for Porsche

This Genuine automatic transmission flexplate mounting bolt is a direct-fit hardware component for Porsche applications that use a flexplate-to-crankshaft connection. It is listed for Porsche 911, Boxster, and Cayman models across the 1997-2008 range, making it a focused replacement for service work on the transmission-to-engine interface.

Key Features

• Genuine OE replacement hardware
• Part number 99907309101
• Automatic transmission flexplate mounting bolt
• Fits Porsche flexplate-to-crankshaft applications
• Application-specific fitment for 911, Boxster, and Cayman

Fitment Details

• Fits 1999-2008 Porsche 911, N/A, Flexplate to Crankshaft
• Fits 1997-2008 Porsche Boxster, N/A, Flexplate to Crankshaft
• Fits 2006-2008 Porsche Cayman, N/A, Flexplate to Crankshaft

What This Part Helps Address

• Loose or damaged flexplate mounting hardware
• Service replacement during transmission removal or engine work
• Wear at the flexplate-to-crankshaft attachment point
• Incorrect or missing OE-style fastener on Porsche automatic transmission service

Installation Notes and Tips

Verify the vehicle’s year, model, and flexplate-to-crankshaft application before installation. Clean the mating surfaces and inspect the flexplate and crankshaft interface for wear or damage before installing new hardware. Use the correct service procedure and torque specification for the specific Porsche application.

Quality Assurance

Genuine OE-style part number 99907309101 is built for the listed Porsche applications and follows the original equipment fitment pattern for 911, Boxster, and Cayman models.