Description
391308-S O-Ring for Ford Transmission Dipstick / FKM Material
Replacement O-ring / Seal for Transmission Dipstick
For Mercury / Ford: AOD, AODE, AODE-W, C3,4,5,6
- Upgraded FKM Material
- Original Manufacturer Part # 391308-S
- Direct Replacement
- Made in USA
User must install according to manufacturer specifications.
Product Overview:
This O-ring is a direct replacement for Ford and Mercury transmissions including AOD, AODE, AODE-W, and C3–C6 series. Crafted from upgraded FKM material, it offers superior resistance to heat, oil, and wear, ensuring long-lasting performance.
Key Benefits:
- Direct aftermarket replacement for part #391308-S
- Durable FKM material maintains a reliable seal under high temperature and pressure
- Prevents leaks and ensures optimal transmission fluid levels
- Easy to install with standard transmission maintenance procedures
- Manufactured to meet or exceed OEM specifications
Installation Notes:
Inspect the dipstick tube and seating surface before installation. Carefully seat the O-ring without twisting to prevent damage. Follow Ford manufacturer specifications for proper fit and performance.
All parts are brand new and satisfaction guaranteed.

