K&N KN-140 Engine Oil Filter

K&N KN-140 Oil Filter Overview

The K&N KN-140 is a cartridge-style engine oil filter built for powersports applications where clean oil flow matters. It uses high flow premium media to capture harmful contaminants while maintaining strong oil circulation for motorcycle and ATV engines.

Compatible With select motorcycle and ATV applications, the KN-140 is a direct-fit oil filter for owners who want a cartridge filter with a bypass valve and nitrile rubber gasket material. This part number, KN-140, is also referenced by interchange numbers 5D3134400000 and 5D3134400900.

Key Features

• Cartridge-style engine oil filter for powersports use
• High flow premium media for contaminant capture and oil passage
• Bypass valve included
• Nitrile rubber gasket material
• No anti drain back valve
• Compact filter dimensions: 1.813 in height, 1.5 in outside diameter, 0.563 in inside diameter
• 1 Year Limited warranty

Detailed Product Description

K&N KN-140 is engineered as a cartridge oil filter for motorcycle and ATV engines that require a compact filter element with controlled oil flow. The filter media is designed to trap debris and wear particles while supporting steady lubrication through the engine. With a bypass valve and nitrile rubber sealing material, this filter is built for routine service intervals on powersports equipment.

For buyers searching for a K&N oil filter for motorcycle or ATV maintenance, KN-140 offers a straightforward replacement option when the application calls for this cartridge style. Use the KN-140 part number when cross-checking service parts for K&N KN-140 oil filter replacement needs.

What It Helps Address

• Oil contamination from normal engine wear
• Restricted oil flow caused by a clogged filter element
• Service replacement needs during scheduled maintenance
• Filter sealing concerns related to worn gasket material
• Bypass protection needs during high-flow or cold-start conditions

Installation Notes and Tips

Install the KN-140 only on applications that specify this cartridge oil filter size and style. Replace it at the engine and equipment manufacturer’s recommended service interval, and verify the sealing surfaces are clean before installation. Because this filter does not use an anti drain back valve, follow the vehicle service procedure for the specific motorcycle or ATV application.

For fitment-based searches, use the exact application listing for your motorcycle or ATV rather than relying on size alone. Confirm the K&N KN-140 part number before service to ensure the correct oil filter is selected.

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 recommended service intervals.