K&N Engineering

K&N Universal Air Filter 3-1/2in Flange / 5-1/2in Base / 4-1/2in Top / 6-1/2in Height - RU-4630

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SKU:
KNNRU-4630
UPC:
024844373731
MPN:
RU-4630
Availability:
Regularly stocked product
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$78.99
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Description

Will this K&N air filter fit my vehicle?
This K&N Universal Air Filter is engineered to fit a broad range of popular vehicles, including the Acura TL, BMW 330Ci, and Jeep Wrangler.

How often do I need to clean my K&N air filter?
Clean your washable and reusable K&N air filter as needed to maintain sustained peak engine performance and airflow efficiency.

The K&N Universal Air Filter offers a high score for Street Performance and Engine Performance, ensuring sustained peak engine operation. Its 3-1/2 inch flange and pliable rubber create a secure, vibration-resistant seal for optimal engine protection. Experience long-term performance with this premium, reusable air filtration solution.

Key Features

  • 3-1/2in Flange
  • 5-1/2in Base
  • 4-1/2in Top
  • 6-1/2in Height
  • ultra-strong molded pliable rubber flanges
  • washable and reusable

Why Choose the KN Universal Air Filter

Delivers a secure, vibration-resistant seal for optimal engine protection.

Achieves a perfect fit across a wide range of popular vehicles.

Provides long-term cost savings and reduces environmental impact.

Transforms your engine's breathing for improved responsiveness.

Who Is This For?

Street Performance — 7/10
Washable and reusable for sustained peak engine performance.

Easy DIY Install — 8/10
Universal fit with pliable rubber flanges.

Engine Performance — 7/10
Washable and reusable for sustained peak engine performance.

Track / Autocross — 6/10
Reusable filter supports sustained performance.

Racing Competition — 6/10
Reusable filter supports sustained performance.

Visual / Aesthetic Upgrade — 5/10
Universal fit may offer aesthetic improvement.

Frequently Asked Questions

How does the K&N Universal Air Filter compare to a stock air filter for my vehicle?

Upgrading to a K&N Universal Air Filter transforms your engine's breathing for improved responsiveness. Its washable and reusable design supports sustained peak engine performance, offering a significant upgrade over restrictive OEM paper elements. This ensures your engine operates at its best.

What is the installation process for a K&N Universal Air Filter?

Installation of the K&N Universal Air Filter is an easy DIY process due to its universal fit design and pliable rubber flanges. This straightforward install achieves a perfect fit across a wide range of popular vehicles. You can confidently install this filter yourself for an immediate performance gain.

What kind of performance can I expect from the K&N Universal Air Filter?

Expect enhanced engine performance with the K&N Universal Air Filter, achieving a usage score of 7 for Street Performance. Its washable and reusable nature sustains peak engine output, directly contributing to improved responsiveness. This filter is engineered for consistent high-level operation.

Is upgrading to a K&N Universal Air Filter worth the investment over my current filter?

Upgrading is worth it for long-term cost savings and reduced environmental impact. The K&N Universal Air Filter is washable and reusable, providing sustained peak engine performance indefinitely. This technical advantage makes it a superior long-term solution for your vehicle's air intake needs.

What vehicles are compatible with the K&N Universal Air Filter?

The K&N Universal Air Filter achieves a perfect fit across a wide range of popular vehicles. Fitment includes 1991-2020 Acura TL, BMW 330Ci/330i/330xi, Chevrolet Malibu/Trailblazer/Trailblazer EXT, Ford Thunderbird, GMC Envoy/Envoy XL/Envoy XUV, Honda Accord/Accord Crosstour, Jeep Cherokee/Wrangler, Lexus GS400, Oldsmobile Bravada, and Scion xD. This broad compatibility ensures secure installation.

Additional Resources

Official K&N Engineering Product Page

Important Notices

⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
RU-4630
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Air Filters>Air Filters - Universal Fit
Install Type:
Universal Fit
Product Level:
Mid Range
Street Performance:
7/10
Easy DIY Install:
8/10
Engine Performance:
7/10
Track / Autocross:
6/10
Racing Competition:
6/10
Visual / Aesthetic Upgrade:
5/10
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