Elring 494.500 Engine Crankshaft Seal

Elring 494.500 Crankshaft Seal for Porsche 911

Elring 494.500 is an engine crankshaft seal built for Porsche 911 applications from 1965-1983. It uses MVQ silicone elastomer construction and a left-hand twist radial shaft seal design to support proper sealing at the crankshaft interface.

Key Features

• Part number: 494.500
• Material: MVQ (silicone elastomer)
• Inside diameter: 65.0 mm
• Outside diameter: 85.0 mm
• Thickness: 10.0 mm
• Radial shaft seal design: AW
• Swirl type: LD, left-hand twist
• Without dust lip

Detailed Description

This Elring crankshaft seal is specified for Porsche 911 engines and is sized for a 65 mm inner diameter, 85 mm outer diameter, and 10 mm thickness. The MVQ silicone elastomer material is selected for sealing performance in engine environments, while the AW radial shaft seal design and LD swirl type support the correct rotational sealing direction for the listed Porsche 911 fitments. The part number 494.500 is also referenced in OE-style interchange listings for the same application.

Compatible With Porsche 911 models from 1965-1983, this seal is a direct-fit engine sealing component for the crankshaft area. Elring 494.500 is also cross-referenced with Victor Reinz 81-15332-20 for the same application.

Vehicle Fitment

• Fits 1967-1983 Porsche 911, N/A. Notes: Width 10 mm; Inner Diameter 65 mm; Outer Diameter 85 mm; Dust Cover: without dust lip; Swirl Type: Left-hand Twist.
• Fits 1965-1966 Porsche 911, N/A.

Common Issues This Seal Can Address

• Engine oil leakage at the crankshaft seal area
• Oil seepage around the rear or front engine sealing surface
• Seal wear from age, heat, and crankshaft rotation
• Loss of sealing integrity during engine service or rebuild

Installation Notes

Verify the seal dimensions, swirl direction, and engine application before installation. Clean the sealing bore and crankshaft surface thoroughly, and inspect for scoring or wear that could affect sealing performance. Confirm the 65.0 mm inside diameter, 85.0 mm outside diameter, and 10.0 mm thickness match the engine specification before pressing the seal into place.

Quality Assurance

Elring is a recognized engine sealing brand with OE-focused gasket and sealing system coverage. This part number 494.500 is built to the listed dimensional and material specifications for Porsche 911 crankshaft seal applications.