Genuine Honda OEM Air Injection Control Valve / PAIR Valve This genuine Honda air injection control valve, OEM part number 18650-MBW-003, is designed for the motorcycle emissions system. Commonly known as the PAIR valve, it routes clean air from the airbox into the exhaust ports to help burn unused fuel vapors before they exit the exhaust system. This helps reduce emissions, improve factory running quality, and minimize deceleration popping. Compatible Models Honda CBR600F4 PC35 — 1999 Honda CBR600F4 PC35 — 2000 Note: This valve is made for the carbureted CBR600F4 models only. The 2001-up CBR600F4i uses a different fuel-injected emissions setup. Key Features Brand: Genuine Honda OEM OEM Part Number: 18650-MBW-003 System: PAIR / Secondary Air Injection Function: Controls clean air flow into exhaust ports Benefit: Helps maintain smooth idle, proper vacuum balance, and original emissions performance
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used anti rust
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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.
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Parts are sold separately. We recommend professional installation for safety and warranty purposes.
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