K&N KN-401 Engine Oil Filter

Overview of the K&N KN-401 Engine Oil Filter

The K&N KN-401 oil filter is designed to provide reliable engine protection with high flow premium media. Engineered for vehicles requiring a cartridge-style oil filter, this part number KN-401 offers efficient filtration without an anti drain back or bypass valve.

• High flow premium filter media for effective oil filtration
• Cartridge style design compatible with select vehicle models
• Nitrile rubber gasket for a secure, leak-resistant seal
• Includes two O-rings for proper installation
• Compact dimensions: 2.219 inches height, 3 inches outside diameter

Detailed Product Description

The K&N KN-401 oil filter features a cartridge style construction that fits specific automotive applications requiring this format. It uses high flow premium media to maintain oil cleanliness and engine performance by filtering contaminants effectively. The nitrile rubber gasket ensures a tight seal to prevent leaks under normal operating conditions. This filter does not include an anti drain back valve or bypass valve, which is typical for cartridge style filters designed for certain vehicle makes and models. The filter measures 2.219 inches in height with an outside diameter of 3 inches, making it suitable for compact engine compartments.

Applications and Problem Solving

• Helps prevent engine wear caused by contaminants in the oil
• Maintains oil flow for consistent engine lubrication
• Reduces risk of oil leaks with durable nitrile rubber gasket
• Compatible with vehicles requiring cartridge style oil filters
• Supports engine longevity by ensuring clean oil circulation

Installation Notes and Tips

When installing the K&N KN-401 oil filter, ensure the two included O-rings are properly seated to maintain a secure seal. This cartridge style filter requires a compatible housing, so verify fitment with your vehicle’s make and model before installation. Avoid overtightening to prevent damage to the gasket or filter housing. Regular oil and filter changes according to manufacturer recommendations will help maintain engine health.

Quality Assurance and Warranty

K&N provides a 1 year limited warranty on the KN-401 oil filter, covering defects in materials and workmanship. This warranty supports the product’s reliability when used as intended and installed correctly. The filter’s design and materials meet industry standards for engine oil filtration.