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The Wehrli billet aluminum oil fill cap for 1998.5–2023 Cummins Dodge Ram 5.9L and 6.7L engines is a CNC-machined, direct OEM replacement finished in black anodize. This complete cap includes an O-ring seal and installs quickly to replace the factory plastic cap, providing a durable, machined fill solution. Note that it may not fit some aftermarket billet valve covers and is not a cover-only accessory.
Wehrli 98.5-23 Cummins Billet Aluminum Black Anodized Oil Fill Cap
