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This is a genuine OEM Yamaha engine coolant filler neck housing assembly with its pressure-regulating radiator cap. Made from durable, heat-resistant plastic, it serves as the main coolant filling point for the motorcycle’s liquid cooling system. Compatible Models & Years OEM Part Number: 2TK-12590-00-00 * Yamaha FZR600: 1989–1993 * Yamaha FZR600R: 1994–1999 Technical Features * Integrated main coolant hose inlet * Secondary overflow nipple for routing excess coolant to the reservoir * Dual-bolt mounting flange for direct factory-style fitment * Spring-loaded radiator cap for cooling-system pressure regulation * Cap marked “DANGER NEVER OPEN HOT” Designed to match original Yamaha dimensions for straightforward replacement and proper cooling-system connection.
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used surface cleaner
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Estimated delivery: 2-5 business days
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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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