XDP Billet Aluminum Oil Cap XD477 For 2001-2021 GM 6.6L Duramax Apparel Removing the factory housing helps

Removing the factory housing helps reduce maintenance costs

Oile Filter

and do it for an affordable price

or a failed head gasket

nozzle lift spring

XDP Billet Aluminum Oil Cap XD477 For 2001-2021 GM 6.6L Duramax Apparel Removing the factory housing helpsCustomize the underhood of your 2001 2021 GM 6. 6L Duramax when you add the XDP Billet Aluminum Oil Cap XD477. Each cap features a CNC machined billet aluminum construction making it the perfect replacement for the plastic factory cap. The XD477 comes ready to install with a durable black anodized finish that provides you with a sleek and custom look. Features: Direct Fit Upgrade Black Anodized Finish CNC Machined Billet Aluminum Construction