K&N KN-139 Engine Oil Filter

K&N KN-139 Oil Filter Overview

The K&N KN-139 is a cartridge-style engine oil filter built for motorcycles and ATVs that need steady oil flow and dependable contaminant capture. It uses high flow premium media, a nitrile rubber gasket, and integrated bypass and PSI relief valves to support consistent lubrication in demanding service.

For riders searching for a K&N oil filter for motorcycle or ATV maintenance, the KN-139 offers a direct replacement option with a compact cartridge design. It is also a practical choice for owners looking for a K&N KN-139 oil filter that matches routine service intervals on powersports engines.

Key Features

• Cartridge-style oil filter for powersports engines
• High flow premium media for oil passage and contaminant trapping
• Bypass valve and PSI relief valve included in the filter design
• Nitrile rubber gasket material for sealing performance
• Compact dimensions: 1.719 in height, 1.75 in outside diameter, 0.5 in inside diameter
• 1-year limited warranty

Detailed Product Description

The K&N KN-139 oil filter is engineered for riders who want a cartridge filter that balances filtration and flow. Its high flow premium media helps capture harmful contaminants while maintaining oil movement through the engine, which is important in motorcycles and ATVs that operate under varying load and temperature conditions. The bypass valve and PSI relief valve add protection when oil pressure changes during cold starts or extended operation.

This part cross-references 1651029F00 and 3470008 for the same application. If you are replacing a worn filter during scheduled maintenance, the KN-139 provides a straightforward service part for powersports engines, including select motorcycle and ATV applications. Search terms such as K&N KN-139 oil filter, motorcycle cartridge oil filter, and ATV engine oil filter replacement are commonly used by buyers comparing service parts.

What It Helps Address

• Oil contamination from normal engine wear
• Restricted oil flow caused by a clogged filter
• Pressure fluctuations during cold starts
• Routine maintenance replacement needs
• Filter sealing concerns related to aged gasket material

Installation Notes and Tips

Install the KN-139 using the engine and equipment manufacturer’s recommended service interval. Confirm cartridge filter dimensions and housing fitment before installation, and replace the filter during scheduled oil service to maintain proper engine lubrication. This part is commonly searched as a K&N KN-139 replacement filter for motorcycle and ATV maintenance, so verify application details against your service manual before ordering.

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 engine and equipment manufacturer’s recommended service intervals.