K&N RU-4630 Universal Clamp-On Air Filter 3.5" Flange Washable

Regular price: $74.95
Regular price
Sale price: $74.95

Shipping calculated at checkout.

In Stock: 28

Orders by 1pm PST ship same business day

Free Shipping w/3-4 Day Delivery

Authorized Dealer

Fitment Guarantee

30-Day Hassle Free Returns

Product Specification:

SKU:KNNRU-4630

MPN: RU-4630

UPC: 024844373731

Weight: 1.5 lb

Inventory: 28

Type: Air Filters - Universal Fit

Vehicle Fitment

Universal fit - fits any intake with approx. 3.5" (89 mm) inside-diameter flange

Features

Universal clamp-on design accommodates a wide variety of vehicles and custom applications
High-flow cotton gauze media engineered for increased horsepower and acceleration
Washable and reusable filter for long-term value and reduced replacement cost
Molded pliable rubber flange absorbs vibration and allows slight size variation (~1/16" or 1.5 mm)
Easy installation - simply slide over the intake flange and secure with clamp
Reduces waste of disposable filters by offering a lifetime reusable alternative
Backed by a 1-Year Limited Manufacturer Warranty

Specifications

Flange inside diameter: 3.5 in (89 mm)
Large end outside diameter (base): 5.5 in (140 mm)
Top outside diameter: 4.5 in (114 mm)
Height: 6.5 in (165 mm)
Flange length: approx. 1.25 in (32 mm)
Filter media: Multi-layer premium cotton gauze
Washable / reusable: Yes
Weight: approx. 1.4 lb (0.6 kg)

Included Components

1x Universal clamp-on air filter (Part No. RU-4630)
Installation instructions/documentation

Product Description

Upgrade your intake system with the K&N RU-4630 Universal Clamp-On Air Filter. Designed to fit any application with a roughly 3.5" (89 mm) inside-diameter flange, this filter offers high-flow performance and long-life reusable filtration. Ideal for custom builds, performance vehicles, trucks, or any setup where a clamp-on filter is required rather than a specific vehicle-model application.

Construction features include a molded rubber flange that helps absorb engine bay vibration and accommodates slight size variation, and a tapered body that improves airflow while fitting in tighter spaces. The washable and reusable media means you'll spend less over time compared to standard disposable filters, while maintaining excellent filtration. Because this is a universal-fit product (not tied to a specific make/model/year), always verify clearance and proper fitment in your intake system before purchase.