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SKU: RU-9920 | UPC: 024844396792
K&N Universal Clamp-on Air Filter 2in Flange ID 5-3/16in Base 3-1/2in Top 3-11/16in Height w/ Vent
The K&N RU-9920 universal clamp-on air filter fits a broad range of equipment including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors and custom intakes with 2-inch ID flanges. Constructed with a 5-3/16-inch base OD, 3-1/2-inch top OD and 3-11/16-inch height plus integrated vent, this filter delivers high airflow while trapping contaminants. Drivers gain more horsepower, quicker acceleration and long-term engine protection from this pre-oiled, washable design.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that blocks and traps dirt, dust and harmful particles for reliable engine defense.
- Clean Once Every 5 Years: Requires service only every 75,000 miles under normal highway conditions, based on 15,000 miles per year average.
- Easy Installation: Pre-oiled and ready to clamp on, offering one of the simplest upgrades for immediate airflow and power improvements.
- Engineered Power: Advanced filter media increases horsepower, acceleration and overall engine response through unrestricted airflow.
- Rugged Construction: Durable premium materials and molded rubber flanges built to absorb vibration and last a lifetime.
Product Notes
- Flanges stretch up to 1/16 inch to fit in-between sizes and ensure secure seal on 2-inch intakes.
- Washable and reusable, clean with K&N cleaning kit for repeated performance.
- Packaging protects against damage during transit.
Installation Notes
- Professional installation recommended.
- Clamp directly to 2-inch ID air intake tube, no cutting or drilling needed.
- Compatible with rubber or metal clamps for vibration-resistant mounting.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various | Racing Vehicles, RC Cars, Generators, Snowmobiles, Tractors | Custom 2in Intakes |
Why Choose K&N?
- Proven leader in air filtration for motorsports and powersports.
- High-flow cotton media outperforms paper filters in tests.
- Precision engineering ensures exact fit and maximum protection.
Frequently Asked Questions
-
Q: What intake sizes does the RU-9920 fit?
A: Designed for 2-inch inside diameter flanges on custom or stock intakes across racing, generators and off-road equipment. -
Q: What materials are used in construction?
A: Premium cotton gauze media, chrome top and molded pliable rubber flanges for durability and flexibility. -
Q: What warranty coverage applies?
A: Backed by 1-Year Limited Warranty against defects in materials or workmanship.
Shipping &. Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Original K&N box, 7.5 x 7.5 x 4.75 inches
- Weight: 0.95 lbs
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