G&R Diesel 6.7L Cummins Oil Fill Cap with Integrated Return Port for Dodge Ram

Description

If you currently have a bypass oil filter system on your 6.7 Cummins, this cap will allow a port for your return line when using any of our billet aluminum valve covers.

It features a 1/2 NPT female thread, that you can reduce to whatever size fitting you need for your bypass system.

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