Home Shop Engine Lower End Oil Pumps and Parts Oil Pump Driven Gears for OHV Big Twin 1939→
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Oil Pump Driven Gears for OHV Big Twin 1939→

Driven gears for the oil pump shaft. Indicated years refer to the stock application. If you change gear combinations 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.

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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.
Gear; for Oil pump
W&W# Picture net price* Available from warehouse Germany?
62-027 Oil Pump Driven Gears for OHV Big Twin 1939→ fits OHV Big Twin 1939-1972; 25 teeth; replaces OEM 26345-39 $33.50 each
in stock
62-025 Oil Pump Driven Gears for OHV Big Twin 1939→ fits Big Twin 1973-1998 (Softail →1999); 24 teeth; replaces OEM 26345-73 $19.04 each
in stock
62-028 Oil Pump Driven Gears for OHV Big Twin 1939→ by S&S; fits Big Twin 1973-1998 (Softail →1999); 24 teeth; replaces OEM 26345-73 $43.81 each
in stock
* United States of America: Tax free shipping. Please check your local import fees.

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