Elring 954.400 Engine Crankshaft Seal

Elring 954.400 Crankshaft Seal for Ford Super Duty

Elring 954.400 is an engine crankshaft seal built with PTFE (polytetrafluoroethylene) sealing material for controlled shaft sealing performance. It measures 64.0 mm inside diameter, 91.5 mm outside diameter, and 10.3 mm thickness, with a dust lip to help protect the sealing edge from contamination.

This crankshaft seal is a direct-fit service part for Ford F-250 Super Duty and Ford F-350 Super Duty applications listed below. If you are replacing a leaking rear or front crankshaft seal on a Ford Super Duty diesel or gas engine service job, Elring 954.400 is the part number to verify.

Key Features

• PTFE sealing material for crankshaft sealing applications
• 64.0 mm inside diameter, 91.5 mm outside diameter, 10.3 mm thickness
• Dust lip helps shield the sealing surface from debris
• Radial shaft seal design: ASW
• Swirl type: RD, right-hand twist
• Elring 954.400 cross-references MAHLE 67965 for the same application

Detailed Description

Elring 954.400 is an engine crankshaft seal engineered around PTFE sealing technology and a radial shaft seal design for precise crankshaft sealing. The seal’s dimensions and dust lip configuration make it a strong match for Ford Super Duty engine service where shaft sealing integrity is critical. This part number is listed for 2011-2019 Ford F-250 Super Duty and 2011-2019 Ford F-350 Super Duty, with additional 2020-2023 Ford F-350 Super Duty coverage.

For buyers searching for a Ford F-250 Super Duty crankshaft seal, Ford F-350 Super Duty crankshaft seal, or Elring 954.400 engine seal, this listing provides the key dimensional and fitment details needed to confirm application before service.

Common Problems This Part Addresses

• Engine oil leakage at the crankshaft seal area
• Contamination entering the sealing zone through a worn dust lip
• Seal wear from age, heat, and crankshaft rotation
• Loss of sealing performance during engine teardown and reseal work
• Repeat leaks after replacing a damaged or hardened crankshaft seal

Installation Notes and Tips

Verify the seal dimensions, swirl direction, and engine application before installation. PTFE seals are sensitive to handling, so keep the sealing edge clean and avoid damaging the lip during placement. Confirm the crankshaft surface is smooth and free of scoring, and follow the vehicle service procedure for proper seal seating on Ford F-250 Super Duty and Ford F-350 Super Duty applications.

• Fits 2011-2019 Ford F-250 Super Duty, N/A; Inner Diameter: 64mm; Outer Diameter: 91.5mm; Dust Cover: with dust lip; Swirl Type: Right-hand Twist
• Fits 2011-2019 Ford F-350 Super Duty, N/A; Inner Diameter: 64mm; Outer Diameter: 91.5mm; Dust Cover: with dust lip; Swirl Type: Right-hand Twist
• Fits 2020-2023 Ford F-350 Super Duty, N/A

Quality Assurance

Elring is a recognized sealing-system manufacturer, and this crankshaft seal is built to the dimensional and material specifications shown above. Confirm part number 954.400 against the vehicle service information and the existing seal dimensions before installation.