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SKU: RU-3510 | UPC: 024844396518
K&N 2-1/8in DUAL FLG 6-1/4 X 4inOD 3inH Universal Clamp-On Air Filter
The K&N RU-3510 universal clamp-on air filter fits a broad range of equipment including racing vehicles radio-controlled cars generators snowmobiles and tractors regardless of intake angle or offset diameter. Its 2-1/8 inch dual flange with 2.688 inch outer diameter and 1.313 inch length clamps securely onto compatible tubes while the 6.25 inch outer diameter top style 4 inch diameter and 3 inch height cone design handles high airflow demands. This setup increases horsepower and acceleration with strong filtration protection for custom or performance applications.
Key Features
- Malleable Rubber Flanges: Ultra-strong molded pliable black rubber flanges absorb vibration stretch up to 1/16 inch (1.5mm) for in-between sizes and ensure secure clamp-on attachment to 2.125 inch ID intake tubes
- Washable Reusable Design: Four-layer cotton gauze media cleans easily with K&N kit for repeated use and long-term performance without replacement
- High Airflow Performance: Engineered cone shape delivers maximum air volume to support horsepower gains and quicker acceleration in demanding conditions
- Excellent Filtration Efficiency: Captures dirt and debris while passing more clean air than many stock filters protecting engines in dusty or high-debris environments
- Versatile Universal Fit: One of hundreds of K&N sizes and shapes suited for non-standard intakes on powersports industrial and motorsport equipment
Product Notes
- Inspect intake tube for exact 2-1/8 inch ID match before installation
- Clean filter every 50,000 miles or sooner in dirty conditions using K&N cleaner and oil
- Secure packaging protects against shipping damage
Installation Notes
- Professional installation recommended.
- Slide dual flanges over clean 2.125 inch ID tube and tighten clamp evenly
- Compatible with standard hose clamps no drilling or cutting required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various | Racing Vehicles RC Cars Generators Snowmobiles Tractors | Custom 2-1/8in Intake Applications |
Why Choose K&N?
- Over 60 years developing washable performance air filters for motorsports and industry
- Durable cotton gauze and rubber construction built for vibration and heat resistance
- Precision molded flanges and media for reliable seal and airflow in any orientation
Frequently Asked Questions
-
Q: What equipment does the RU-3510 fit?
A: Fits any application with 2-1/8 inch ID intake tube including racing vehicles generators snowmobiles tractors RC cars and custom setups regardless of angle or offset -
Q: What materials are used in construction?
A: Four-layer oiled cotton gauze filter media paired with black molded rubber flanges for flexibility strength and vibration damping -
Q: What warranty coverage applies?
A: Backed by one year limited warranty against defects in materials or workmanship
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective box 6.75in x 6.75in x 3.5in
- Weight: 0.9 lb (0.4 kg)
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