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USD 10.13
Part #: KNPS-4003

K&N Pro-Series Oil Filter PS-4003

1989-2019 Dodge 5.9L/6.7L Cummins
Part #: KNPS-4003
Ships from manufacturer (Usually in 1-3 Days)

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K&N high flow oil filters are designed to provide better engine performance by reducing oil filter restriction. K&N high flow oil filters are engineered to handle all grades of synthetic and conventional motor oils, including blends, and use a pleated filtration media that provides increased capacity and outstanding filtration. K&N's legacy in both racing and street performance finds its way into all of our filtration designs. 

Height: 6.719 in (171 mm)
Outside Diameter: 3.655 in (93 mm)
Thread Inside Diameter: 1
Thread Number: 16UN-2B
PSI Relief Valve: None
Anti Drain Back Valve: No
Style: Canister
Removal Nut: No
Gasket Material: Nitrile Rubber
Filter Material: High Flow Premium Media
Bypass Valve: No
Weight: 0.58 lb (0.26 kg)

Manufacturer Part Number
AC PF1070
MOBIL1 M1403
ONAN 3903264
PURO L44422
PURO L45335
WIX 51607


  • MFG. Number PS-4003
  • Manufacturer Name K&N Engineering
  • Shipping Weight 1.00 lb.
  • Shipping Length 4 in.
  • Shipping Width 7 in.
  • Shipping Height 4 in.
  • Fuel Type Diesel
  • UPC 024844291905
  • Warranty Yes
  • Warranty Info 1 Year Limited
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Most Popular Questions

How do these filters stack up against the stock filter for the 2013 Ram 2500? I am interested in using the K&N oil filter in place of the stock oil filter from Dodge
View Staff Answer 

The K&N Pro Series Canister Oil Filters provide outstanding quality at an affordable price. K&N has been offering the best performance filters for years and they certainly show the quality in these filters. The filters are required to meet OEM standards and often surpass these principles. The K&N Pro-Series Oil Filter PS-4003 is one of our best selling filters for the Cummins 5.9L & 6.7L engine!

XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:

  • UPDATE: Effective 6/1 Customer Service resumes normal business hours of M-F 8:30 – 9:00pm EST.
  • Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
  • Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
  • All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.