This is an original factory Honda engine lubricating oil pump assembly designed for classic SOHC inline-four motorcycles. It uses a dual-rotor trochoid mechanism to circulate pressurized engine oil from the sump to the crankshaft bearings, connecting rod journals, and overhead camshaft components. The assembly features a durable die-cast aluminum housing, an integrated 27-tooth steel spur gear, and the vintage casting mark “300,” identifying its specific design and flow profile. Vehicle Compatibility Honda CB750K / CB750 Four (K0–K8): 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978 Honda CB750F Super Sport: 1975, 1976, 1977, 1978 Honda CB750A Hondamatic: 1976, 1977, 1978 Note: Designed only for SOHC engines. It does not fit 1979–1982 DOHC 16-valve CB750K, CB750F, or CB750C models.
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used anti rust
Worldwide shipping available
Express shipping available at checkout
Estimated delivery: 2-5 business days
All items are carefully packaged for safe transit
Items can be insured — contact us for more information
30-day return policy on most items
Items must be in original condition and packaging
Contact support for return authorization
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Yes, all parts with OEM numbers are genuine manufacturer parts. Check the specifications tab for the OEM number.
We offer a 30-day return policy. Items must be in original condition. See the Shipping tab for complete details.
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location.
Parts are sold separately. We recommend professional installation for safety and warranty purposes.
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