K&N Engineering 99-0551 1-Gallon Air Filter Oil

K&N 99-0551 is a 1 US gallon container of air filter oil. K&N Air Filter Oil is the only oil specially formulated to work in combination with the cotton fabric in K&N air filter elements providing a superior air filtration system. When used as directed, it quickly penetrates the filter pleats, where it remains suspended in the cotton fabric. Saturation is maintained until the element is cleaned with K&N Air Filter Cleaner. K&N Air Filter Oil is the only oil specially formulated to work in combination with the cotton fabric in K&N air filter elements providing a superior air filtration system. The air filter oil comes in a 1 gallon container.

• Quickly Penetrates And Saturates The Filter Pleats
• 1 gallon value-sized bottle

Brief Description: K&N Engineering 99-0551 Air Filter Oil is a 1-gallon container of specially formulated oil designed for use with K&N cotton fabric air filter elements. It helps restore the filter’s oil treatment after cleaning, supporting effective filtration and maintaining the performance of reusable air filters.

The oil quickly penetrates and saturates the filter pleats, where it remains suspended in the cotton fabric until the filter is cleaned with K&N Air Filter Cleaner. When applied as directed, K&N 99-0551 helps provide the proper oil coverage required for K&N cotton air filter elements while supporting long-term, reusable filter service. The value-sized container is suitable for regular maintenance, multiple filter applications, and professional or enthusiast garages.

Key Product Specifications & Technical Data:

• Brand: K&N Engineering
• Part Number: 99-0551
• Product Type: Air filter oil
• Container Size: 1 US gallon
• Application: Reusable cotton fabric air filter elements
• Formula Function: Penetrates and saturates filter pleats
• Maintenance Use: Apply after cleaning and drying the filter
• Recommended Cleaner: K&N Air Filter Cleaner

What's Included: One 1-gallon container of K&N Engineering 99-0551 Air Filter Oil. Fitment data is not vehicle-specific; this product is intended for compatible K&N cotton fabric air filter elements. Follow the filter manufacturer’s application and maintenance instructions.

Features:

• Specially formulated for use with K&N cotton fabric air filter elements.
• Quickly penetrates and saturates the filter pleats for consistent oil coverage.
• Helps maintain the reusable filter’s filtration performance after cleaning.
• 1-gallon value-sized container supports repeated filter maintenance.

Air Freight Prohibited: true
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1