K&N Engineering

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Product Specification:

SKU:KNNRE-5286

UPC: 024844363756

Weight: 0.9 lb

Inventory: 20

Type: Air Filters - Universal Fit

Description

Vehicle Fitment

• Universal - not vehicle-specific; suited for racing vehicles, motorcycles, ATVs, small engines, generators, snowmobiles, and tractors

Fitment Notes

• Clamp-on design fits carburetor or intake necks matching the 3 in. flange diameter; rubber flange can stretch up to 1/16 in. to accommodate in-between sizes
• Not a direct factory drop-in for any specific make or model - confirm intake neck diameter before ordering
• Height specification varies between sources: most retailers list 5.219 in., while K&N's own listing shows 2.25 in. with a black metal top - confirm exact dimensions with the seller before purchase if height clearance is a concern

Features

• Four layers of premium cotton gauze treated with a specially designed tacking agent
• Intricate filter media mesh designed to block and trap harmful contaminants
• Ultra-strong molded pliable rubber flange absorbs vibration for a secure attachment
• Flange can stretch up to 1/16 in. (1.5mm) to fit in-between sizes
• Metal top styling for a finished, performance appearance
• Washable and reusable, rated for up to 50,000 miles between servicing
• Designed to increase horsepower and acceleration through improved airflow
• Pre-oiled and ready for easy installation
• Backed by K&N's 1-Year Limited Warranty

Specifications

• Shape: Round Tapered/Straight
• Filter Material: Cotton gauze
• Flange Diameter: 3 in.
• Top Outside Diameter: 3.5 in.
• Base Outside Diameter: 4.438 in.
• Height: 5.219 in. (per majority of retailer listings; K&N's own site lists 2.25 in. - confirm before ordering)
• Top Style: Metal
• Flange Type: Centered, 0-degree angle
• Fitment Type: Universal clamp-on

Included Components

• 1x K&N RE-5286 Universal Clamp-On Air Filter

Product Description

The K&N RE-5286 is a round tapered universal clamp-on air filter designed to mount directly onto a carburetor throat or intake neck rather than a single vehicle's factory air box. With a 3 in. flange diameter and a distinctive metal top, it's built for racing vehicles, motorcycles, ATVs, and small equipment like generators, snowmobiles, and tractors where a compact, high-flow filter is needed.

Constructed from four layers of cotton gauze treated with K&N's tacking agent, the RE-5286 is engineered to trap contaminants while supporting strong airflow for a boost in horsepower and acceleration. The pliable rubber flange absorbs vibration for a secure hold and can stretch slightly to accommodate intake necks that fall between standard sizes, adding flexibility for custom builds.

This filter suits builders and enthusiasts working on carbureted or custom intake setups who need a universal round filter rather than a factory-specific replacement. Because it's a clamp-on universal filter, confirm your intake neck's diameter matches the 3 in. flange before ordering. Note that published height specifications differ between K&N's own site and third-party retailers - if vertical clearance under a hood or cowling is tight, verify the exact height with your supplier before purchase.