HP-4001 K&N Oil Filter
|Anti Drain Back Valve||Yes|
|Filter Material||High Flow Premium Media|
|Gasket Material||Nitrile Rubber|
|Height||5.094 in (129 mm)|
|Outside Diameter||3 in (76 mm)|
|PSI Relief Valve||11-17|
|Thread Specification||M20 x 1.5|
|Product Style||Oil Filters|
|Weight||1.2 lb (0.5 kg)|
|Product Box Height||5.63 in (143 mm)|
|Product Box Length||3.15 in (80 mm)|
|Product Box Width||3.15 in (80 mm)|
|Removal Nut Size||1 inch|
|Warranty||1 Year Limited|
|AC Delco PF2055|
|Champ Labs. PH2855|
|Mobil One M1401|
50 years of improving vehicle performance.
Cold Air Intakes
Custom-engineered tubes deliver better airflow than you get with a stock intake. More air means better performance.
Using cotton gauze instead of typical folded paper, our filters increase airflow while providing excellent engine protection.
Cabin Air Filters
Helps capture most mold, mildew, fungus, spores, bacteria, germs, pollen and allergens, and helps to rid the air of unpleasant odors.
K&N oil filters use a high flow filter media that allows for high flow rates while providing outstanding engine protection.
From custom air filters to fuel pumps and carb accessories, the K&N Speed Shop has been assembled to help your vehicle run at peak performance.
Home Air Filters
New washable and reusable air conditioning and furnace filters for your home. From the industry leader in washable automotive filtration.
We're #1 for a reason. Since 1969 every product we've created delivers high-performance, unmatched quality and longevity