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The Honda Radiator Coolant Reserve Expansion Tank is a vital component of the motorcycle's liquid cooling system. Constructed from semi-translucent polypropylene (PP) plastic, this tank manages engine temperature variations by capturing expanding hot fluid and returning it safely to the radiator cycle to prevent system airlocks. This specific part features a rugged molded single-bolt mounting tab and an integrated o-ring collar designed for secure cap placement.Compatible ModelsThis specific OEM configuration has highly narrow fitment rules. It fits the following classic liquid-cooled Honda motorcycles:Honda NS125F (TC01) — 1985, 1986, 1987Honda NS125R — 1987, 1988
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used surface cleaner
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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