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SKU: RC-3680 | UPC: 024844033567
K&N Universal Clamp-On Air Filter 2-7/16in Flange 4-1/2x3-3/4in Base 3x2in Top 6in Height
K&N RC-3680 universal clamp-on air filter delivers high airflow for racing vehicles, radio-controlled cars, generators, snowmobiles, tractors and custom intakes. Flexible molded rubber flange stretches up to 1/16 inch for secure fit on 2-7/16 inch (62mm) diameters with centered 0.75 inch flange length. Washable design traps contaminants while increasing horsepower and acceleration.
Key Features
- 4 Layers of Protection: Premium cotton gauze with tacking agent forms mesh to block dirt and debris for long engine life.
- Clean Every 5 Years: Handles 75,000 miles under highway conditions before cleaning based on 15,000 annual miles.
- Easy Installation: Pre-oiled and clamp-on ready for immediate use and quick performance gains.
- Engineered Power: High-flow media boosts horsepower, acceleration and engine response.
- Rugged Construction: Durable materials and flexible frame withstand vibration for lifetime durability.
Product Notes
- Pre-oiled with 1.17 oz (35 ml) oil. washable and reusable with K&N cleaning kit.
- Flange absorbs vibration. stretches 1/16 inch (1.5mm) for in-between sizes.
- Weight: 1 lb (0.5 kg). in stock for fast shipping.
Installation Notes
- Professional installation recommended.
- Clamp directly to 2-7/16in (62mm) intake tube. no adapters needed.
- Flexible rubber flange ensures secure seal on angled or offset intakes.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various | Racing Vehicles | All |
| Universal | Various | RC Cars | All |
| Universal | Various | Generators | All |
| Universal | Various | Snowmobiles | All |
| Universal | Various | Tractors | All |
Why Choose K&N?
- Proven track record in motorsports and powersports applications.
- High-flow cotton gauze media for unrestricted airflow.
- State-of-the-art manufacturing for precise fit and performance.
Frequently Asked Questions
-
Q: What intake sizes does the RC-3680 fit?
A: Designed for 2-7/16in (62mm) inside flange diameter with 0.75in length. stretches slightly for custom setups. -
Q: What material is used in construction?
A: 4 layers of oiled cotton gauze media with molded pliable rubber flange and open top end. -
Q: What is the warranty and cleaning interval?
A: 1-Year Limited Warranty. clean every 75,000 miles or 5 years under normal driving.
Shipping & Handling
- Method: Ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Protective box. approx 7in x 5in x 5in
- Weight: 1 lb (0.5 kg)
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