SKU: RU-2820 | UPC: 024844010803
K&N RU-2820 Universal Clamp-On Air Filter 3 Inch Flange 5 Inch OD 6 1/2 Inch Height
The K&N RU-2820 delivers high-flow air filtration for racing vehicles, radio-controlled cars, generators, snowmobiles, tractors and custom intakes. This clamp-on filter with 3-inch centered flange inside diameter, 5-inch top outside diameter and 6.5-inch height installs easily on varied intake configurations. It traps dirt with four layers of cotton gauze while increasing airflow for more horsepower and quicker acceleration.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that blocks and traps harmful contaminants from reaching the engine.
- Clean Once Every 5 Years: Requires cleaning only every 75,000 miles under normal highway driving or 5 years at 15,000 miles annually.
- Easy Installation: Pre-oiled and ready to use for fast clamp-on setup and immediate performance gains with minimal cost.
- Engineered Power: Advanced filter media boosts horsepower, acceleration and engine response through superior airflow.
- Rugged Construction: Durable premium materials and molded rubber flanges absorb vibration, stretch up to 1/16 inch and last a lifetime.
Product Notes
- Ultra-strong pliable rubber flanges ensure secure vibration-free attachment to 3-inch intakes.
- Washable and reusable design reduces landfill waste from disposable filters.
- Product weight 1.6 lb with shipping box dimensions 8.25 x 8.19 x 7.19 inches.
Installation Notes
- Professional installation recommended.
- Clamp directly onto 3-inch inside diameter air intake pipes.
- Flanges stretch up to 1/16 inch to accommodate slight size variations. no additional hardware needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various | Racing Vehicles/Generators/Snowmobiles/Tractors/ATVs | Custom Clamp-On Intakes |
Why Choose K&N?
- Over 50 years designing air filters for motorsports and powersports.
- High-flow media proven to add power across thousands of applications.
- Made in USA with precision manufacturing for reliable long-term performance.
Frequently Asked Questions
- Q: Does the RU-2820 fit specific intake sizes?
A: Designed for 3-inch inside diameter flanges with centered mounting. stretches up to 1/16 inch for secure fit on custom or offset intakes regardless of angle. - Q: What materials are used in construction?
A: Premium cotton gauze media layers, molded rubber flanges and rugged components built to withstand vibration and harsh conditions. - Q: What warranty coverage applies?
A: Backed by 1-Year Limited Warranty against defects in materials or workmanship.
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure cardboard box 8.25 x 8.19 x 7.19 inches
- Weight: 1.6 lb
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