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SKU: RU-3120 | UPC: 024844010964
K&N RU-3120 Universal Clamp-On Air Filter
K&N RU-3120 delivers high-flow filtration for racing vehicles radio-controlled cars generators snowmobiles tractors and custom intakes with 2.75 inch (70mm) flange diameter 1.5 inch (38mm) flange length and 5 inch (127mm) filter length and height. Molded rubber flanges absorb vibration stretch up to 1/16 inch (1.5mm) and clamp securely for reliable seal. Increases airflow for more horsepower acceleration and engine response while trapping contaminants.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form intricate mesh to block trap dirt dust and harmful particles
- Clean Once Every 5 Years: Lasts 75000 miles under normal highway driving (5 years at 15000 miles per year) washable reusable design saves money
- Easy Installation: Pre-oiled ready-to-use clamp-on style installs quickly delivers performance gains without tools or modifications
- Engineered Power: High-flow media boosts horsepower acceleration and throttle response across RPM range
- Rugged Construction: Durable premium materials withstand vibration heat and abuse built to last a lifetime
Product Notes
- Flanges stretch slightly to fit in-between intake sizes vibration absorption prevents loosening
- Wash with K&N cleaner re-oil for repeated use maintains filtration efficiency
- Weight 1.1 pounds package dimensions 7.6 x 6.1 x 5.9 inches
Installation Notes
- Professional installation recommended.
- Clamp directly onto 2.75 inch (70mm) intake pipe no adapters needed
- Rubber flange ensures airtight seal compatible with straight round intakes
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various | Racing Vehicles | N/A |
| Universal | Various | Generators | N/A |
| Universal | Various | Snowmobiles | N/A |
| Universal | Various | Tractors | N/A |
| Universal | Various | Radio-Controlled Cars | N/A |
Why Choose K&N?
- Decades of engineering high-performance air filters trusted by racers worldwide
- Reusable design cuts replacement costs protects engine longer than paper filters
- State-of-the-art media proven to flow more air without sacrificing filtration
Frequently Asked Questions
-
Q: Will K&N RU-3120 fit my custom intake setup?
A: Fits any 2.75 inch (70mm) diameter straight round air intake on racing equipment generators snowmobiles tractors or performance builds flanges stretch for perfect seal -
Q: What filter media does it use?
A: Four layers of oiled cotton gauze treated with proprietary tackifier traps fine particles allows maximum airflow washable for lifetime use -
Q: What warranty covers this filter?
A: Backed by 1-Year Limited Warranty covers defects in materials workmanship under normal use
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective box 7.6 x 6.1 x 5.9 inches
- Weight: 1.1 pounds
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