Description
A failing water pump seal compromises cooling system integrity and risks catastrophic engine damage on the track or trail. The PRO CIRCUIT PC4008-0401 replacement O-ring restores OEM-spec sealing performance, eliminating leaks and maintaining optimal coolant flow under high-temperature racing conditions. This is a straightforward bolt-on maintenance item that every KX250F and RM-Z250 owner should keep on hand.
- OEM replacement specification
- 2004 KX250F fitment
- 2004 RM-Z250 fitment
- Water pump cover application
- Precision elastomer compound
- High-temperature rated
- Leak-proof seal geometry
- Bolt-on installation
- MPN: PC4008-0401






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