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K&N 38-2012S 4.7 out of 5 stars 10 Customer Reviews
Replacement Filters > Replacement Air Filter-HDT

List Price: $199.00
Your Price: $156.99

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K&N's new 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 filter maintenance a snap.

[More Information on Washable Heavy Duty Replacement Air Filters]
  • Washable and reusable
  • Easy to clean
  • Outstanding filtration
  • No oil required

Product Specifications

Air Filter Shape:Round Straight
Filter Material:Non-woven Synthetic
Flow Direction:Standard
Height:15.125 in (384 mm)
Inner Wire:Yes
Inside Diameter:7 in (178 mm)
Outside Diameter:12.75 in (324 mm)
Package Contents:1 Air Filter
Package Quantity:1
Part Number:38-2012S
Product Box Height:18 in (457 mm)
Product Box Length:14 in (356 mm)
Product Box Width:14 in (356 mm)
Product Style:Heavy Duty Replacement Filter Round Straight
Top Material/Finish:Black Powder Coated
Top Style:Metal
Weight:13.5 lb (6.1 kg)

Product Reviews

 Good product. Arrived on time and fits as it should. Makes my customers happy.
Lavern Dykes, Vern's Garage, Swansea, South Carolina
 This filter is great I have seen a great fuel mileage. I would recommend this filter.
Enriqueta , San Diego, California
 Awesome! Lasts long enough to pay for itself several times over versus paper filters.
Robert , Virginia Beach, Virginia
 Awesome filter. Lasts 10 times longer than standard filters. It's cost vs standard pays for itself several times over.
Robert Williams, Virginia
 Excellent product. .5 to 1 mpg increase.
Darrell, Oklahoma
 As an owner operator of my own truck, it's nice to have that extra edge. I pull sea containers in and out of the Jacksonville port and I do a lot of overweight 80,000lbs plus. The filter is in a 1998 Freightliner Century Class with a Cummings 500 HP with a 10 speed transmission and a flow through exhaust. I run only in the southeast there are only some hills and my fuel average is 6.7 to 7.2 running 65mph at 2,500 rmp.
Victor M. Velazquez Jr., Citra, Florida
 Very hard time getting correct part number for my vehicle. Old K&N Number not cross referencing with new K&N number??? Great product, would not have gone through hassle of tracking down correct part number myself if filter wasn't worth the effort.
Scott Strange, Charlotte, North Carolina