



More delivery methods in checkout
Return this item within 7 days of purchase.
Get an immediate answer with AI
AI-generated from the text of manufacturer documentation. To verify or get additional information, please contact customer service.
Ensure reliable performance in your engine with the Genuine Cummins 3957290 Check Valve.

This is an authentic OEM part designed and manufactured by Cummins for exact fit and optimal function.

Specifically engineered for ISB6.7 2250 engines, this check valve helps maintain proper fuel or fluid flow direction, preventing backflow and supporting efficient engine operation.

As a genuine Cummins component, you can trust its quality, durability, and precision engineering that meets the high standards expected from this leading manufacturer.

Whether you're performing routine maintenance or a specific repair, using genuine parts like the 3957290 helps preserve your engine's longevity and performance.

This valve is straightforward to install and provides the peace of mind that comes with OEM specifications.

Keep your Cummins-powered equipment running smoothly with this essential replacement part.

4 out of 5