We use cookies for analytics, advertising and to improve our site. To find out more see our privacy policy.
>
Shop
>
Engine
>
Lower End
>
Gear Case
>
Pinion Shaft Oil Pump Drive Gears for OHV Big Twin 1939→

Pinion Shaft Oil Pump Drive Gears for OHV Big Twin 1939→

Pinion shaft drive gears for the oil pump. Indicated years refer to the stock application. 1973-1984 gears can be used in 1954-1972 engines If you follow this rule:

  • 5 tooth gears on the pinion shaft require 25 tooth oil pump shaft drive gears.
  • 6 tooth gears on the pinion shaft require 24 tooth oil pump shaft drive gears.
  • for Oil pump
  • on pinion shaft

24/6 oil pump gear combination

The 24/6 gear combination in engines thru 1972 will increase oil volume and pressure to a certain extent but will not cure problems caused by worn oil pumps and/or bushings.

Have any questions?

Our service team will be glad to help out: Mondays - Thursdays 08:00-17:00 CET, Fridays 08:00-16:00 CET, Phone: +49 / 931 250 61 16, eMail: service@wwag.com