K&N KN-401 Engine Oil Filter

Brand K&N KN-401
Anti Drain Back Valve No
Bypass Valve No
Filter Material High flow premium media
Gasket Material Nitrile rubber
Height 2.219 in (56 mm)
Inside Diameter 0.75 in (19 mm)
Outside Diameter 3 in (76 mm)
Package Material Paperboard
Package Type Box
Product Style Oil filters
PSI Relief Valve No
Removal Nut No
Style Cartridge
This Product Includes 2- o'rings
Title K&n kn-401 oil filter
Warranty 1 year limited
Weight 0.3 lb (0.1 kg)
Fits —

Cartridge style. A compact oil filter design for straightforward service.

High-flow media. Helps trap contaminants while maintaining strong oil flow.

Nitrile rubber gasket. Provides a reliable seal for consistent filtration performance.

Cross-references Motorad CH6009, 36Y134410000 and 15410422000 for the same application. See all 9.

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K&N KN-401 Oil Filter Overview

The K&N KN-401 is a cartridge-style engine oil filter built for powersports applications where oil flow and contaminant capture both matter. It uses high flow premium media and a nitrile rubber gasket to support clean, consistent filtration in motorcycle and ATV service.

Compatible With select motorcycle and ATV applications that use the KN-401 cartridge format, this filter is a direct service part for routine oil changes. The K&N KN-401 oil filter is also cross-referenced to Motorad CH6009 for the same application.

Key Features

  • Cartridge-style engine oil filter for powersports use
  • High flow premium media helps trap harmful contaminants while maintaining oil flow
  • Nitrile rubber gasket material for sealing performance
  • No anti-drain back valve and no bypass valve
  • Includes 2 O-rings
  • Dimensions: 2.219 in height, 3 in outside diameter, 0.75 in inside diameter
  • Part number: KN-401

Detailed Description

K&N designed the KN-401 for riders and builders who need a cartridge oil filter that balances filtration efficiency with unrestricted oil circulation. The filter media is specified as high flow premium media, and the cartridge construction is sized for powersports engines that use this format. If you are servicing a motorcycle or ATV that calls for the KN-401 oil filter, this part provides a straightforward replacement option for scheduled maintenance.

Use the K&N KN-401 when your service interval calls for a cartridge oil filter with the listed dimensions and sealing configuration. The part number KN-401 is commonly searched alongside motorcycle oil filter and ATV oil filter replacement terms, especially for owners looking for a K&N KN-401 oil filter for routine engine service.

What It Helps Address

  • Dirty engine oil from normal combustion and wear debris
  • Restricted oil flow caused by a clogged filter element
  • Leak concerns related to worn filter sealing surfaces
  • Routine maintenance needs on motorcycle and ATV engines
  • Replacement of a service-worn cartridge oil filter

Installation Notes and Tips

Install the filter only on applications that specify the KN-401 cartridge style and dimensions. Replace the O-rings during service, and follow the engine and equipment manufacturer’s recommended oil change interval. Confirm the filter seating surface is clean before installation, and verify the gasket is properly positioned before tightening.

For fitment-based searches, this part is commonly referenced for motorcycle oil filter replacement and ATV cartridge oil filter service where the KN-401 specification is required.

Quality Assurance

K&N backs this oil filter with a 1-year limited warranty against defects in materials and workmanship when installed and replaced according to the manufacturer’s recommended service intervals.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Motorad — CH600936Y134410000154104220001541042200415410426000154104260101541230002415412300325CH6012