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Free Shipping Over $299.99

Free Shipping Over $299.99

Orders of $299.99 or more ship free within the continental U.S.

Shipping Policy

This part does not have vehicle specific fitment. Please contact us if you need fitment assistance.

K&N 4 Inch Air Filter
Part Number: RU-2510

★★★★★ ★★★★★ 2 Reviews
K&N 4 Inch Air Filter-A1
Images may be for reference only

K&N 4 Inch Air Filter
Part Number: RU-2510

★★★★★ ★★★★★ 2 Reviews

Reward Points

It pays to shop with K Series Parts and our reward points program! For every $1.00 you spend you earn reward points.

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Reward Point Program Details

You earn 2 points for every $1.00 that you spend.

100 points equal a $1.00 discount.

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The point value per dollar, points earned per purchase, and order minimum are subject to change.

Earn 80 reward points. Learn More

10+ In Stock

Product Details

Part Number: RU-2510
Manufacturer: K and N Filters
UPC: 024844010551

Product Style: Round Tapered Universal Air Filter
Base Outside Diameter: 5.375 in (137 mm)
Flange Inside Diameter: 4 in (102 mm)
Flange Length: 0.625 in (16 mm)
Flange Type: Centered
Height: 3.5 in (89 mm)
Top Outside Diameter: 4.375 in (111 mm)
Top Style: Rubber

Due to the manufacturer's price control policy, this item may be excluded from promotions and discounts

WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects.

Vehicle Fitment

This part does not have vehicle specific fitment

2 Reviews ★★★★★ ★★★★★

★★★★★ ★★★★★
5/5.00 Stars out of 2 Reviews
Write a Review
K&N universal air filter
Nicholas Regan | September 16th, 2016
Super fast shipping, great product, won't have to buy another filter for long time. Will certainly buy again from this company.
K&N Air Filter
b005t3drsx | February 2nd, 2009
In my opnion this is the best filter I have owned. This is the third filter I have put on my car, it's the best quality so far.