K&N Round Air Filter E-3740

K&N Round Air Filter

The K&N E-3740 replacement air filter is designed to increase horsepower and acceleration by reducing restriction and increasing air flow to your engine. Ideal for DIY enthusiasts and tradies, this air filter is made with oiled layers of woven cotton that offer superior filtration and can be washed and reused multiple times. K&N replacement air filters can go up to 50,000 miles before cleaning is required, depending on driving conditions, making it a cost-effective choice compared to disposable filters.

This air filter is simple to install and is custom designed to fit right into the factory air box of older Ford Scorpio and Peugeot models, as well as other applications. With K&N's Million-Mile Limited Warranty, you can trust in the quality and performance of this product.

Suitable for various Australian vehicle models listed below. This is a guide only. Add your vehicle details to My Garage to ensure it fits your vehicle. This will activate our 100% Fitment Guaranteed.

Key features

• Increases horsepower and acceleration.
• Reduces air flow restriction for optimal performance.
• Made from oiled layers of woven cotton for superior filtration.
• Washable and reusable, reducing waste and cost.
• Lasts up to 50,000 miles before cleaning is needed.
• Simple installation into factory air box.
• Covers various applications, including older Ford and Peugeot models.
• Backed by K&N's Million-Mile Limited Warranty.

Technical details

• Product type: Replacement air filter.
• Material: Oiled woven cotton.
• Service life: Up to 50,000 miles before cleaning.
• Compatibility: Fits factory air box of specific vehicle models.
• Warranty: Million-Mile Limited Warranty.

Applications / fitment

This air filter is typically used in street vehicles requiring enhanced performance and filtration.

• IMPCO - 2002-2021.
• Older Ford Scorpio models.
• Peugeot models.
• Various other compatible vehicle applications.

Why buy from Mick’s Gone Bush?

• Trusted Australian business focused on reliable power, auto-electrical, and service parts.
• Stock sourced from reputable distributors and brands.
• Practical support for trade, off-grid, and fleet customers.
• Clear shipping, warranty, and customer service.
• Commitment to customer satisfaction with a 100% Fitment Guarantee.

Frequently asked questions

How do I install the K&N Round Air Filter?

The K&N Round Air Filter is designed for easy installation into your vehicle's factory air box. Simply remove the old filter and replace it with the K&N filter.

How often should I clean the K&N Round Air Filter?

You can clean the K&N Round Air Filter after up to 50,000 miles of use, depending on your driving conditions. Regular cleaning will help maintain optimal performance.

Is the K&N Round Air Filter compatible with my vehicle?

This air filter is compatible with various models, including older Ford Scorpio and Peugeot vehicles. Use the My Garage feature to check fitment for your specific vehicle.

What is the warranty on the K&N Round Air Filter?

The K&N Round Air Filter is backed by K&N's Million-Mile Limited Warranty, ensuring its quality and performance over time.

Can I reuse the K&N Round Air Filter?

Yes, the K&N Round Air Filter is washable and reusable, making it a cost-effective alternative to disposable filters.