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Vehicle Info NeededK&NPART NUMBER: 599-E-4961
E-4961 Standard-Flow Heavy-Duty Air Filter
$5299
Ships on Sep 02, 2026
Lowest Price GuaranteeStandard Flow
Standard-Flow Heavy-Duty Air FilterRound Straight Filter (2.625" ID, 4.125" OD) Height: 10.75"
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Heavy-Duty Truck, RV and Agricultural Equipment Filters
Spend a little more now to save a lot more later! K&N Washable Air Filters spare the waste and expense of replacing disposable air filters. These commercial-grade air filters do not require oiling, and they're sturdy enough to be cleaned with power sprayers and pressure washers. Unlike other heavy-duty air filters that are non-serviceable 1-piece units, the filtration medium of a K&N Heavy-Duty Air Filter can be removed from its canister.
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The medium is a hybrid of synthetic material and aluminum screen wire. Designed to last 300,000 miles, these reusable filters reduce air restriction and improve filtration efficiency to deliver more power.
Part TypeAir Filter
Product LineK&N Commercial Grade/Heavy-Duty Air Filters
BrandK&N
Package Height10.75 in (273 mm)
Package Width4.125 in (104.775 mm)
Package Length12.6
Weight1.1 PG
Weight1.3 lb (0.6 kg)
Part CategoryPerformance Parts
Top MaterialNone
Diameter Inside2.625 in (66.675 mm)
ShapeRound
Top StyleRubber
Air Filter Outlet ShapeRound
Inside Diameter2.625 in (67 mm)
Filter StyleDry
Cap Outside DiameterN/A
Diameter4.125 in (104.775 mm)
Frame DesignFlexible
FlangesNone
QuantitySold individually
Overall LengthN/A
Filter MaterialNon-woven Synthetic
Air Filter ShapeRound
Inner WireNo
Oil IncludedNo
Air Filter StyleRound
Outside Width4.125 in (105 mm)
Part FitmentSemi Universal
Outside Diameter4.125 in (105 mm)
WashableYes
Diameter Outside4.125 in (104.775 mm)
Vendor Part NumberE-4961
Package Qty1
Package TypeEA
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