Airaid Kit Replacement Filter SynthaMax Dry Oval 4-1/2in Flange 7-1/2in Tall - 721-478 - Single
Regular price
$136.99
Shipping policyReturns & core returnsQuestions? Call (503) 235-1947
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
This 7-1/2in-tall Airaid oval filter uses SynthaMax dry non-woven synthetic media and mounts on a 4-1/2in intake tube or adapter with a hose clamp.
Airaid sells it as a replacement element for its intake kits, and it can also be used as a universal clamp-on filter.
Key Features
- SynthaMax dry synthetic filter media - no filter oil
- 4-1/2in clamp-on flange
- Clean with Airaid dry filter cleaning solution
- Airaid recommends cleaning every 30,000 to 50,000 miles of normal driving, more often off-road or in heavy dust
Product Details
- Brand: Airaid
- Manufacturer Part Number: 721-478
- Flange: 4-1/2in
- Base: 9-3/4 x 9-5/16in
- Top: 7-15/16 x 5-1/32in
- Height: 7-1/2in
- Media: SynthaMax (dry)
Orders typically ship within 24–48 hours of being received, but because of vendor shipping times some orders may take longer. We ship within the United States only (48 contiguous states plus DC).
Shipping Height: 9.6
Shipping Length: 12.1
Shipping Width: 9.8
California Proposition 65
WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer and/or reproductive harm. For more information, visit
www.P65Warnings.ca.gov.