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SKU: RU-3112HBK | UPC: 024844396297
K&N Universal Air Filter (4in. Flange / 6in. Base / 5.25in. Top OD / 9.25in. Height) RU-3112HBK
K&N RU-3112HBK is a black universal clamp-on air filter built with Dryflow oil-free synthetic media for effective filtration and unrestricted airflow in custom intake systems. This tapered conical filter fits a wide variety of vehicles through DIY setups ATVs UTVs trucks and cars. It delivers increased horsepower through higher air volume while remaining fully washable for repeated use.
Key Features
- Dryflow Oil-Free Media: Synthetic material traps dirt and debris without oil for clean high-flow performance and easy maintenance
- Tapered Conical Shape: 6in base to 5.25in top expands surface area to pull in more air than flat panel filters
- 4in Centered Flange: Secure clamp-on connection to 4in intake tubes for leak-free seal in custom applications
- 9.25in Height: Tall profile provides large filtration capacity to support demanding engines over long runs
- Washable Design: Rinse and recharge with K&N cleaner to restore like-new airflow without buying replacements
Product Notes
- Ideal for custom cold air intakes and performance builds on various vehicles
- Clean every 50,000 miles or when dirty using K&N synthetic air filter cleaner
- Black stealth finish blends with engine bays for clean appearance
Installation Notes
- Professional installation recommended.
- Clamp directly onto 4in diameter intake tubing using hose clamps
- Compatible with rubber or aluminum couplers no adapters needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal Fit | Various | Custom Intakes | All |
| Universal Fit | ATV/UTV | Performance Builds | All |
| Universal Fit | Truck/Car | DIY Setups | All |
Why Choose K&N?
- Decades of filtration engineering for motorsports and street use
- Reusable filters outlast paper ones cutting long-term costs
- Backed by rigorous dyno testing for real-world power gains
Frequently Asked Questions
-
Q: What vehicles fit the RU-3112HBK air filter?
A: Universal design works in custom air intake systems for cars trucks ATVs UTVs and more with 4in tubing -
Q: Is oil needed on this filter?
A: No Dryflow synthetic media operates oil-free capturing contaminants without mess or restriction -
Q: What warranty covers this product?
A: K&N No-Hassle Lifetime Limited Warranty protects against defects for the life of your vehicle
Shipping & Handling
- Method: Ground Shipping
- Availability: In stock - ships same or next business day
- Packaging: Box 9.19in L x 7.88in W x 7.88in H
- Weight: 2.2 lb
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