Ring Gear Bolt 390777S Replacement for Ford E94EB9 Flywheel Bolt Direct Fit

Ring Gear Bolt 390777S Replacement for Ford E94EB9 Flywheel Bolt Direct Fit Description

Replacement ring gear bolt designed for Ford applications. Part number 390777S; replaces E94EB9. Key benefits Restores secure ring gear attachment: replaces worn or damaged bolts that can allow ring gear movement or misalignment. Directfit replacement: engineered to match the original part number 390777S and E94EB9 for straightforward installation. Maintains drivetrain integrity: helps preserve correct engagement between ring gear and starter for reliable starting and reduced wear. What it does Secures the ring gear to the flywheel or flexplate, keeping the gear aligned under engine torque and starter engagement. Provides a consistent, repeatable fit to help prevent loosening and minimize vibrationrelated issues. Compatibility and identification Compatibility: fits Ford applications that use part number 390777S or E94EB9 as the ring gear bolt. Identification: supplied as a direct replacement for E94EB9; use this part number to confirm fit for your specific vehicle. Important attributes Function: ring gear retention bolt for flywheel or flexplate. Fitment: direct replacement for part number E94EB9, listed as 390777S. Performance: designed for correct fit and secure fastening to maintain ring gear alignment during normal operation. Installation: install following vehicle manufacturer torque and assembly procedures to ensure proper clamping and safety. Typical use scenarios Flywheel or flexplate service: replacing the ring gear bolt when changing a worn ring gear or during flywheel resurfacing. Starter or replacement: installing a secure bolt after diagnosing starter engagement problems caused by loose or damaged ring gear fasteners. Engine or transmission overhaul: using the correct replacement bolt when reassembling the crankshaft, flywheel, and starter components. Notes for installers Verify vehicle compatibility by matching part numbers 390777S or E94EB9 with the vehicle service parts list before installation. Follow vehicle manufacturer torque specifications and recommended assembly procedures when installing this bolt. Inspect mating surfaces and threads for damage prior to installation to ensure proper seating and performance.