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The Honda Transmission Countershaft Bearing Holder (OEM Part Number: 23150-300-010) is a factory engine component mounted inside the lower crankcase. Made from durable lightweight aluminum alloy, it secures the transmission countershaft bearing firmly in position and helps maintain proper shaft alignment. Its integrated oil-routing passages direct engine lubrication toward nearby transmission gears and moving components, helping reduce friction, wear, and heat during operation. Compatible Models Honda CB750K (K0-K8): 1969-1978 Honda CB750F Super Sport: 1975-1978 Honda CB750A Hondamatic: 1976-1978 Designed for classic Honda SOHC inline-four CB750 models within the listed years.
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used stain remover
Worldwide shipping available
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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
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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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