How often should I clean this filter?

The cleaning interval depends on your operating environment. Inspect the filter regularly, and clean it when you see a buildup of dirt and debris. K&N sells filter cleaning kits, or you can use a mild detergent.

Does this filter require oiling after cleaning?

No, this filter uses an oil-free synthetic media. Do not apply filter oil, as that will impede airflow and reduce filtration effectiveness. Simply clean, dry, and reinstall.

What if the included adapter is not compatible with my application?

The adapter is designed to fit a range of applications. However, if it doesn't work for your specific engine, you can still use the filter without the adapter if it fits properly. Just make sure the filter seals tightly to the airbox.

K&N Briggs & Stratton 2 - 5 Horsepower Engines

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K&N Engineering

Specifications

Brand: K&N Engineering
Part #: E-4142
UPC: 024844107510

K&N Engineering

K&N Briggs & Stratton 2 - 5 Horsepower Engines

Name: K&N Briggs & Stratton 2 - 5 Horsepower Engines
Brand: K&N Engineering
Price: 49.99 USD
Availability: InStock

$49.99

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Cleanable, reusable air filter for Briggs & Stratton small engines. Comes with grease and adapter for a tight seal.

Key Features

Oil-free synthetic media — excellent filtration
Cleanable and reusable — saves money over time
Inner wire support — adds strength
Includes grease — ensures airtight seal
Includes adapter — fits more applications

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

The K&N E-4142 replacement air filter is constructed with an oil free synthetic media. It has an inner wire support that provides extra strength to protect the filter under extreme conditions. A tube of grease is provided in the packaging so that there is an airtight fit in case of severe vibrations. The E-4142 fits several Briggs and Stratton lawnmowers, including the 4 horsepower model, as well as other applications. An adapter is included for applications that may require a closed off air filter. The E-4142 provides superior filtration protecting your equipment's engine to insure it will last a long time. This K&N air filter can be cleaned and used again and again saving you money in the long run.