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K&N Filters Car and Motorcycle Oil Air Filter Review: Maintain Filter Performance and Longevity

K&N Filters 99-0504EU Car and Motorcycle Oil Air Filter, 204 ml
4.5
[Multi-Language Labeling]  Labeled in English, Spanish, Swedish, Polish, and Czech for broad user accessibility.
[Specifically for K&N Filters]  The only oil formulated specifically for K&N air filters.
[Improves Filter Performance]  Specially formulated to improve air filter performance and efficiency.
[Fast Filter Penetration]  Quickly penetrates and saturates filter pleats for thorough coverage.
[204ml Aerosol Bottle]  Comes in a 204 milliliter aerosol spray bottle for easy application.
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Automotive maintenance oil aimed at keeping washable air filters clean, saturated and working effectively for longer. Drivers who carry out their own servicing will find a quick, low-fuss application that helps retain airflow and filtration. Is the K&N Filters Car and Motorcycle Oil Air Filter the simplest way to keep K&N filter pleats properly saturated and performing?

⚡ At a Glance
  • Penetration & Saturation: Quickly penetrates and saturates filter pleats for consistent oil coverage
  • Best for: Owners of K&N air filters who carry out routine filter maintenance
  • Not ideal for: Users seeking a universal filter oil for non-K&N branded filters

A 204 millilitre aerosol specifically formulated to improve K&N air filter performance. Fast-penetrating spray saturates pleats to help maintain filtration and airflow.


Thorough Coverage – Thanks to fast-penetrating aerosol spray

Aerosol delivery quickly reaches and saturates the pleats, ensuring oil reaches inner filter media rather than only the surface. Label information confirms the spray action is designed to penetrate pleats efficiently.

Even oil distribution reduces dry spots on K&N filters, helping them trap contaminants effectively and maintain airflow between services.

Formulated for K&N Filters – With an oil designed specifically for K&N products

Product descriptions state this is the only oil designed specifically for K&N filters, with a formulation aimed at improving air filter performance. The chemistry targets the material used in K&N filter elements.

Using a matched formulation keeps K&N filters in good condition and supports the filter's intended performance characteristics over time.

Simple Application – With a 204 ml aerosol spray bottle

Supplied in a 204 millilitre aerosol can, clearly labelled in multiple languages for ease of use across markets. The can size is suitable for several maintenance sessions depending on filter size.

Controlled spray application makes maintenance straightforward and reliable, with user feedback noting ease of use and dependable results.

✨ The 4 Key Reasons for K&N Filters Car and Motorcycle Oil Air Filter
  1. K&N-specific formula - Enhances filter longevity and preserves airflow efficiency reliably
  2. Aerosol spray bottle - Allows controlled, mess-free application to filter pleats precisely
  3. 204 ml capacity - Supplies multiple maintenance sessions for routine filter servicing
  4. Multi-language labelling - Clear instructions for English, Spanish, Swedish, Polish and Czech users
📋 Technical Details at a Glance
  • Category: Automotive Parts and Accessories
  • Brand: K&N
  • Product ID: B00DWUB3QK
  • Volume: 204 ml
  • Packaging: Aerosol spray bottle
❓ Frequently Asked Questions

Q: Is this oil suitable for non-K&N filters?

A: No. The formulation is described as the only oil designed specifically for K&N filters, so it is intended for use with K&N filter elements.

Q: How much product is in the can?

A: The aerosol spray bottle contains 204 millilitres of oil.

Q: How should the oil be applied?

A: Use the aerosol spray to penetrate and saturate the filter pleats; labelling is provided in English, Spanish, Swedish, Polish and Czech for guidance.

🏆 Our Verdict

Suitable for owners who use K&N washable filters and prefer straightforward, reliable maintenance. The K&N-specific formulation and fast-penetrating aerosol delivery are the main selling points for preserving filter condition and airflow. While a small maintenance item, ongoing value comes from extended filter life and consistently maintained performance.