CUMMINS BILLET ALUMINUM OIL FILL CAP/ ON SALE Cup and no leftover residue

and no leftover residue

and long-term reliability

CAT Manifold CARB EO# D-773-2

Installing a PDI Big Boss C7 Exhaust Manifold is much easier when you have the right hardware

CUMMINS BILLET ALUMINUM OIL FILL CAP/ ON SALE Cup and no leftover residueIf youre tired of dealing with cheap plastic oil caps that crack, leak, or work themselves loose, the PDI Big Boss Billet Aluminum Oil Fill Cap is a simple upgrade that adds both durability and reliability to your engine. Factory oil fill caps are typically made from plastic, which can weaken over time from heat, vibration, and engine movement. Its not uncommon for worn OEM caps to leak oil or even come loose while driving, creating a mess and