K&N KN-142 Engine Oil Filter

K&N KN-142 Oil Filter Overview

The K&N KN-142 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, a nitrile rubber gasket, and an integrated bypass valve to support consistent filtration in motorcycles and ATVs that call for this filter design.

For riders and builders looking for a K&N oil filter for motorcycle or ATV maintenance, the KN-142 offers a compact cartridge format with a 1.844 in height, 1.5 in outside diameter, and 0.469 in inside diameter. It is a direct service part for applications that specify KN-142 oil filter fitment.

Key Features

• Cartridge-style engine oil filter for powersports use
• High flow premium media for balanced filtration and oil movement
• Bypass valve and PSI relief valve included in the filter design
• Nitrile rubber gasket material for sealing performance
• Compact dimensions: 1.844 in height, 1.5 in outside diameter, 0.469 in inside diameter
• No anti-drain back valve and no removal nut
• 1 Year Limited warranty

Detailed Description

The K&N KN-142 oil filter is engineered for engines that use a cartridge filter format and require dependable oil filtration during regular service intervals. Its high flow premium media is designed to trap harmful contaminants while maintaining oil circulation, which is important for motorcycles and ATVs that operate under varying load and temperature conditions. This part cross-references 1UY1344002 and 1UY134400100 for the same application. If you are searching for a K&N KN-142 replacement oil filter for motorcycle or ATV maintenance, this part number is the reference to verify.

Compatible With select Yamaha motorcycle and ATV applications that specify KN-142, including models using the listed cartridge dimensions and bypass-valve configuration. Use the OEM service information to confirm the correct filter style before installation.

Common Service Issues It Can Address

• Restricted oil flow caused by a clogged or aged filter element
• Contaminant buildup in engine oil during routine service intervals
• Incorrect filter fitment when the engine requires a cartridge-style element
• Sealing concerns related to worn filter gasket material
• Oil pressure management issues where a bypass valve is specified

Installation Notes and Tips

Install the KN-142 only on engines that call for this cartridge oil filter size and configuration. Confirm the filter height, outside diameter, and inside diameter against the service manual before assembly. Replace the filter at the manufacturer-recommended service interval and inspect the sealing surfaces for debris or damage before fitting the new element.

Quality Assurance

K&N covers this oil filter with a 1 Year Limited warranty against defects in materials and workmanship when installed and replaced according to the engine and equipment manufacturer’s recommended service intervals.