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38-2031S K&N Replacement Air Filter-HDT

Not in stock - 12 qty available to backorder / Free Shipping

Backorder item(s) will be shipped separately and may take additional 2 weeks for delivery

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ROUND, RADIAL SEAL, 9-1/4" OD, 5-1/4" ID, 12-3/4" H, STANDARD
K&N's line of Heavy Duty commercial grade air filters are washable and have been specially engineered for heavy duty trucks, RV's and agricultural equipment. They use a new hybrid filtration medium that's incredibly easy to clean. They can be washed using power sprayers, pressure washers or standard truck washing equipment and they do not require the use of oil. Instead of repeatedly throwing away expensive disposable air filters, now you have a choice. A washable air filter designed to improve engine performance will now make air filter maintenance a snap.
  • Washable and reusable
  • Easy to clean
  • Outstanding filtration
  • No oil required
Flow DirectionStandard
Height12.75 in (324 mm)
Filter MaterialNon-woven Synthetic
Inner WireYes
Inside Diameter5.25 in (133 mm)
Outside Diameter9.25 in (235 mm)
Top MaterialNone
Top StyleRubber
Warranty36 Months - 300,000 Miles
Air Filter ShapeRound Straight
Package Contents1 Air Filter
Package Quantity1
Product StyleHeavy Duty Replacement Filter Round Straight
Weight6.9 lb (3.1 kg)
Product Box Height11.13 in (283 mm)
Product Box Length20.5 in (521 mm)
Product Box Width10.69 in (271 mm)
Cross References
AC Delco A1169C
Baldwin RS2863
Baldwin RS2863XP
Carquest 88433
Carquest 88433XP
Donaldson DBA5067
Donaldson EAF5067
Donaldson P527484
Donaldson P530300
Fleet Air FA2683
Fleetguard AF25220
Fleetguard AF4878
Ford F3HZ9601A
Fram CA7139
GMC 15619013
GMC 15696245
Hastings AF2093
John Deere RE34962
Luber-Finer LAF1878
Luber-Finer LAF1878MXM
Motorcraft FA1119
Napa 6433
Napa 6433NP
Napa 6433P
Purolator A64699
WIX 46433
WIX 46433NP
WIX 46433P
DIY Level

Advanced Moderate Easy

Tools Typically Needed


Installation Time

5-10 Minutes

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K&N is the home of the original red oiled air filter. In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an oiled air filter. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. Thank you for helping us reach 50 years in business!

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