K&N Oil Filter – Racing – HP-4003


Part Number: HP-4003

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Cars Models : Dodge, Ram 2500, RAM 3500, RAM 4500, RAM 5500,


  • High flow oil filter designed to improve filtration and increase performance
  • Suitable for use with synthetic and conventional oils
  • Fluted canister shape can be removed with a traditional oil filter wrench
  • Pleated media material is engineered to extend oil change intervals
  • 1.45 lb (0.66 kg)

Originally developed for demanding race applications, K&N’s Premium Wrench-Off Oil Filter has become a favorite among consumers for its durability and easy removal. Most of our automotive and marine oil filters come with a 1 inch nut welded to the top of the canister so they can be easily wrenched-off with a standard tool. To satisfy the demands of racers, our oil filter has many features over and above the requirements of most vehicles. We use thicker canister walls for extra strength and durability which reduces the risk of damage from loose rocks and debris. The drilled hole on the nut provides for safety wire attachment. Our oil filters also use a resin impregnated cellulose filter media. This allows for higher flow rates while providing outstanding filtration.

– O/E replacement oil filters for most cars, trucks, SUV’s, motorcycles, & ATV’s
– Resin-impregnated filter media traps 99% of harmful contaminants
– 1 inch exposed nut designed for easy oil filter removal
– Heavy duty construction for extreme conditions

Product Specifications:

Anti Drain Back Valve No
Bypass Valve No
Filter Material High Flow Premium Media
Gasket Material Nitrile Rubber
Height 7.188 in (183 mm)
Outside Diameter 3.656 in (93 mm)
Product Box Height 7.7 in (196 mm)
Product Box Length 3.9 in (99 mm)
Product Box Width 3.8 in (97 mm)
Product Style Oil Filters
PSI Relief Valve None
Removal Nut Yes
Removal Nut Size 1 inch
Style Canister
Thread Specification 1 In – 16UN-2B
Weight 1.5 lb (0.7 kg)

K&N Filters

Length [mm]:

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Filter Type:
Screw-on Filter
Engine Codes:
Part Number:

Warranty according to the service interval of your vehicle’s engine or oil.
Type Performance Oil Filters


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