Doc's Auto Parts MaxFlow Performance Engine Air Filter DA5556X Oil/Transmission Boosts cetane up to +7

Boosts cetane up to +7 points – Improves ignition quality for faster cold starts

and has lower cetane ratings that hurt performance

6L Duramax Fuel Filter 2001-2016

Doc’s Diesel Transmission Service Kits come with everything you need to keep your transmission running strong

Do NOT soak pads – A quick spray to remove contaminants is fine

Doc's Auto Parts MaxFlow Performance Engine Air Filter DA5556X Oil/Transmission Boosts cetane up to +7Docs Auto Parts MaxFlow Performance Engine Air Filters: Get more out of your engine with Docs Auto Parts MaxFlow Performance Engine Air Filter. Built to improve airflow, it helps your engine breathe easier for stronger throttle response and better overall performanceespecially when youre working it hard. The pre oiled filter media captures up to twice the dirt of standard paper filters, delivering cleaner air and helping protect your engine for the