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SKU: RU-1785 | UPC: 024844032089
K&N RU-1785 Universal Clamp-On Air Filter 3.5in Flange ID x 5in OD x 8.5in H
The K&N RU-1785 is a round straight universal air filter with a centered rubber flange measuring 3.5 inches ID 5 inches OD and 8.5 inches tall. It fits a wide range of applications including racing vehicles generators snowmobiles tractors and radio-controlled cars regardless of intake angle or offset. This pre-oiled washable filter increases airflow for better horsepower and acceleration while trapping contaminants with four layers of cotton gauze.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with a tacking agent form a mesh that blocks harmful contaminants for long engine protection.
- Clean Once Every 5 Years: Needs cleaning only every 75000 miles under normal highway conditions based on 15000 miles per year average.
- Easy Installation: Pre-oiled and ready to use with pliable rubber flanges that stretch up to 116 inch for secure clamp-on fit.
- Engineered Power: State-of-the-art media design improves horsepower acceleration and overall engine performance.
- Rugged Construction: Durable premium materials ensure lifetime use absorbing vibration for reliable attachment.
Product Notes
- Flanges absorb vibration and stretch slightly for between sizes.
- Washable and reusable to reduce landfill waste from disposable filters.
- Product weight 1.8 lbs ships in box measuring 9.25in x 6.5in x 9.25in.
Installation Notes
- Professional installation recommended.
- Clamp-on design uses standard hose clamp not included for attachment.
- Molded rubber flange 1.75in long centers on 3.5in ID intake for secure seal.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| N/A | N/A | Racing Vehicles | Custom Intakes |
| N/A | N/A | Generators | All Types |
| N/A | N/A | Snowmobiles | Performance |
| N/A | N/A | Tractors | Agricultural |
| N/A | N/A | Radio-Controlled Cars | RC Models |
Why Choose K&N?
- Proven leader in high-flow air filtration for motorsports and powersports.
- Precision manufacturing with cotton gauze media for consistent performance.
- 1-Year Limited Warranty backs every universal filter.
Frequently Asked Questions
-
Q: Does the RU-1785 fit specific vehicles?
A: This is a universal clamp-on filter for custom applications like racing setups generators snowmobiles tractors and RC cars with 3.5in intake. -
Q: What material is used in the filter media?
A: Four layers of premium cotton gauze treated with a tacking agent for superior contaminant trapping and airflow. -
Q: What is the warranty and maintenance?
A: 1-Year Limited Warranty. Clean every 75000 miles or 5 years with K&N cleaning kit for reuse.
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard box 9.25in L x 6.5in W x 9.25in H
- Weight: 1.8 lbs
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