CUMMINS BILLET ALUMINUM OIL FILL CAP/ ON SALE Cup and a little extra fuel

and a little extra fuel economy

and no leftover residue

clean fuel ain’t optional — it’s the difference between a truck that works and one that leaves you stranded

1 gallon treats up to 3

CUMMINS BILLET ALUMINUM OIL FILL CAP/ ON SALE Cup and a little extra fuelIf 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