Feedback +

If you would like a response, please supply your email

Upgraded Rear Crank Oil Seal

Part #
Application - See "Fitment" Tab
In Stock In Stock
The MGB 5-main engine represented a huge technological advance - the "Archimedes Scroll" oil control threads at the rear of the crankshaft were replaced with a conventional rubber lip type seal. We have offered an OE type single lip seal for years under part #120-820, and they work well. However, seal technology has advanced considerably since 1965.

This is a lip seal of improved design, and it comes with an installation sleeve (for use when the crank is in place with the backing plate installed). This is a superior alternative to the OEM type lip seal. It is simply better at doing its job, and it should last longer.
Model (Site) Category Schematic Key Name Application Qty
MGB External Engine External Engine 44 OIL SEAL 18GB-18V engines 1
MGB Internal Engine Internal Engine 4 OIL SEAL 18GB-18V engines 1

The Longest in the Business

  • All Classic British products are warrantied to be free from defects in material and workmanship for 2 years from the date of invoice.
  • All superchargers, supercharger components, and supercharger hardware are warranted to be free from defects in material and workmanship for 1 year from date of invoice.
  • Moss Motors, Ltd. will, at its discretion, repair or replace any part that fails in service within the warranty period. This warranty does not cover labor, failure of related components, normal wear of brake or clutch components or failure resulting from alteration, misuse, accidental damage, faulty installation, or faulty repair.
  • Warranty requests should be submitted to our sales department and must be supported by the original Moss Motors purchase invoice and documentation of the failure.