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K&N 04-09 Yamaha YFZ450 Powerlid Air Box Cover

K&N Engineering · New

K&N 04-09 Yamaha YFZ450 Powerlid Air Box Cover

MPN YA-4504-T · Store SKU knnYA-4504-T

$129.99
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Supplier stock checked 11/7/2026, 8:48:45 AM UTC. Adding a part does not reserve it.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

The K&N Powerlid eliminates restrictive ATV intake snorkels by replacing the stock air box lid with a high airflow filter lid. The Powerlid works in conjunction with a K&N replacement air filter (sold separately) to provide excellent filtration with less restriction allowing increased airflow for more horsepower. The POWERLID snaps in place with no air box modification necessary. All K&N Powerlids come with a PreCharger filter wrap for the lid and a carburetor jet selection kit if required. Unleash the full potential of your Yamaha with this K&N High-Flow Air Filter. Designed for maximum performance, this premium filter delivers increased airflow while providing outstanding engine protection. The durable, washable, and reusable cotton gauze media is engineered to last the lifetime of your vehicle-no more disposable filters. Precision-fit construction ensures easy installation and a perfect seal, helping your engine breathe easier for improved throttle response and horsepower. The K&N Powerlid eliminates restrictive ATV intake snorkels by replacing the stock air box lid with a high airflow washable filter lid. The Powerlid snaps in place with no air box modification necessary. Powerlid Air Box Cover Powerlid Airbox Cover

Manufacturer fitment & guides

Check YA-4504-T against the manufacturer’s application information below.

A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.

Part-specific notes

  • California Proposition 65: Y
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