Motorshop Oil Pump Scavenger Idler Gear Harley Davidson EL (1936–1947)

Precisely engineered scavenger oil pump idler gear for Harley Davidson EL engines, delivering reliable lubrication for vintage V‑twin motors. Part Number 12-1220, with a thickness of 0.500 inches, crafted in Taiwan.

This gear is designed to fit Harley Davidson EL models from 1936 through 1947, and works with the scavenger oil pump system to sustain proper oil pressure and distribution.

• Groove milled on the side to drive the rotor on 1941–1949 oil pumps.
• Two slots on the face engage the drive rotator; a rear slot feeds the chain oiler for efficient lubrication.
• Drive grooves do not span the entire tooth profile, accommodating the specific year-model pump design.
• Relief shots are included to support reliable chain oiler feeding.
• Compatible with #12-0167 Scavenger Oil Pump Gear and other OEM cross-referenced parts.
• Made with high-quality materials in Taiwan for durability.

Fitment: Harley Davidson EL 1936, 1937, 1938, 1939, 1940, 1941, 1942, 1943, 1944, 1945, 1946, 1947.

Use cases include restoration projects and ongoing maintenance of vintage Harley Davidson EL engines, helping to maintain proper oil pressure and distribution throughout the engine’s lubrication system.

Oil pump scavenger idler gear with groove.

The Motorshop Scavenger Oil Pump Idler Gear (Part Number: 12-1220) is a critical component designed specifically for Harley Davidson EL models from 1936 to 1945. Crafted with precision in Taiwan, this gear features a thickness of 0.500 inches and is engineered to ensure optimal lubrication and smooth operation of your engine's oil pump system. Its unique groove milled on the side allows it to drive the rotor effectively when installed on 1941-1949 oil pumps, with drive grooves that do not extend across the entire tooth profile to accommodate the specific design of various year models. The gear's design includes two slots on the face to engage the drive rotator and a rear slot for chain oiler feed, ensuring efficient oil flow throughout the engine. It is compatible with the #12-0167 Scavenger Oil Pump Gear and is essential for maintaining proper oil pressure and distribution in vintage Harley Davidson engines. This gear complements other accessory items such as the drive gear, idler gear, and pump assemblies, making it a comprehensive choice for restoration or maintenance of classic Harley Davidson motorcycles. Proper installation and compatibility with OEM cross-referenced parts ensure reliable performance and durability for your vintage motorcycle. Keep your Harley Davidson EL running smoothly with the Motorshop Scavenger Oil Pump Idler Gear, designed to meet OEM standards and ensure long-lasting lubrication for your engine. Ensure your oil pump system operates efficiently with this high-quality replacement part, tailored for vintage Harley Davidson models from the late 1930s to mid-1940s.

Features:

• Designed for Harley Davidson EL models from 1936 to 1945

• Groove milled on the side for rotor drive in 1941-1949 oil pumps

• Two slots on the face for drive rotator engagement and rear for chain oiler feed

• Made with high-quality materials in Taiwan for durability

• Includes relief shots for efficient chain oiler feeding

• Compatible with #12-0167 Scavenger Oil Pump Gear and OEM parts

Fitment:
Harley Davidson EL 1936
Harley Davidson EL 1937
Harley Davidson EL 1938
Harley Davidson EL 1939
Harley Davidson EL 1940
Harley Davidson EL 1941
Harley Davidson EL 1942
Harley Davidson EL 1943
Harley Davidson EL 1944
Harley Davidson EL 1945
Harley Davidson EL 1946
Harley Davidson EL 1947