PPE DEF Fill Cap/Plug 07.5-25 Ram 6.7L Cummins | 21-23 Jeep 3.0L Gladiator CMNS-5491995 They are made from cast

They are made from cast aluminum and black powder coated with machined fin tops for a clean look

TIRE SIZE - So that Duramax Tuner can properly recalibrate your speedometer

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4 Aluminum Wheel Caps

PPE DEF Fill Cap/Plug 07.5-25 Ram 6.7L Cummins | 21-23 Jeep 3.0L Gladiator CMNS-5491995 They are made from castThis CNC machined billet aluminum diesel DEF fill cap is a direct fit replacement designed for Ram and Jeep diesel vehicles. Built from high quality aluminum with a precision finish, the cap provides a secure seal for your DEF tank while adding a durable, premium look under the hood or at the fill location. Unlike standard plastic caps, this billet aluminum version resists cracking, warping, and UV degradation over time. It installs easily with no