Click to zoom in
SKU: RE-0850 | UPC: 024844362841
K&N Universal Air Filter (4in. Flange / 6in. Base OD / 4-5/8in. Top OD / 6in. Height) RE-0850
The K&N RE-0850 universal clamp-on air filter delivers high airflow for racing vehicles radio-controlled cars generators snowmobiles tractors and custom intakes. Its 4-inch flange 6-inch base outside diameter 4-5/8-inch top outside diameter and 6-inch height with 1.75-inch flange length provide secure fit on angled or offset tubes. Washable and reusable construction traps contaminants while increasing horsepower and acceleration.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that blocks harmful contaminants for long engine life.
- Clean Once Every 5 Years: Requires cleaning every 75000 miles under normal highway driving or 5 years at 15000 miles per year.
- Easy Installation: Pre-oiled and ready to clamp on for quick performance gains with minimal tools.
- Engineered Power: State-of-the-art media increases airflow for more horsepower acceleration and engine response.
- Rugged Construction: Molded rubber flanges absorb vibration stretch up to 1/16 inch and use durable materials built to last.
Product Notes
- Flanges designed for centered clamp-on mounting with vibration absorption.
- Wash with K&N cleaning kit and re-oil for reuse indefinitely.
- Replaces disposable filters to cut packaging waste from over 200 million units yearly.
Installation Notes
- Professional installation recommended.
- Clamp onto 4-inch inside diameter intake tube using hose clamp not included.
- Rubber flange stretches slightly for in-between sizes secure attachment.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Multiple | Racing Vehicles RC Cars Generators Snowmobiles Tractors ATV UTV Custom Intakes | All |
Why Choose K&N?
- Proven leader in high-flow filtration since 1969.
- Washable filters outlast paper disposables many times over.
- Precision manufacturing ensures exact specs for reliable performance.
Frequently Asked Questions
-
Q: What equipment does the RE-0850 fit?
A: Fits racing vehicles radio-controlled cars generators snowmobiles tractors ATVs UTVs and any 4-inch intake regardless of angle or offset diameter. -
Q: What material is used in the filter media?
A: Premium cotton gauze in four layers treated with tacking agent for superior trapping of dirt and debris. -
Q: What warranty covers this filter?
A: Backed by 1-Year Limited Warranty against defects in materials or workmanship.
Shipping & Handling
- Method: Standard ground
- Availability: In stock - ships same or next business day
- Packaging: Compact box 7.8 x 7.6 x 6.9 inches
- Weight: 1.1 pounds
Air Filters
Air filters and intake filtration parts for cars, trucks, SUVs, Jeeps, and diesel platforms are stocked at Black Ops Auto Works. Shop direct-fit filters, drop-in replacement filters, universal clamp-on filters, cabin air filters, HVAC filters, engine breather filters, pre-filters, and velocity stacks for Hellcat, Trackhawk, TRX, Grand Cherokee, Challenger, Charger, Camaro, Corvette, Mustang, F-150, Tacoma, Tundra, BMW, and Honda platforms. Every product is filterable by year, make, model, trim, engine, and filter dimension so the correct part ships the first time. Black Ops Auto Works carries 3,397 air filter SKUs across direct-fit, universal, cabin, and pre-filter categories. What This Collection Covers Air filters remove dirt, dust, and debris from air entering the engine or cabin. This collection spans OE-style direct-fit and drop-in filters, universal cone and clamp-on filters for custom intakes, cabin and HVAC filters for interior air, engine breather filters for crankcase ...
View Air Filters Products
Air Filters - Universal Fit
Universal fit air filters for cars, trucks, and SUVs across every make and platform are stocked at Black Ops Auto Works. Shop clamp on cone filters, open element filters, carbureted filters, oval filters, velocity stack filters, reusable cotton gauze filters, and dry synthetic media filters sized by flange diameter, base, top, and height for custom intakes, fabricated setups, carburetors, and universal cold air intake kits. Every product is filterable by flange size, base and top dimensions, height, media type, and brand so the correct filter ships the first time. Black Ops Auto Works carries 908 universal fit air filter SKUs across clamp on, oval, velocity stack, and carbureted categories. What This Collection Covers Universal fit air filters are not built for a specific year, make, and model. Instead they are sized by physical dimensions, flange inside diameter, base diameter, top diameter, and overall height, so they can be matched to custom intake piping, fabricated intake t...
View Air Filters - Universal Fit Products
K&N Engineering
K&N Engineering filters and intakes for Jeep, RAM, Dodge, Chevy, Ford, Toyota, BMW, and Cadillac platforms are stocked at Black Ops Auto Works. Shop cold air intakes, Aircharger and NextGen intake systems, reusable panel filters, drop-in filters, universal clamp-on filters, oil filters, cabin filters, fuel filters, and filter cleaning kits for HEMI, Cummins diesel, EcoBoost, and LS/LT engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 1,927 K&N Engineering SKUs across intake, filtration, and maintenance categories. What This Brand Covers K&N Engineering built its reputation on reusable, high flow air filtration. This collection spans complete cold air intake systems, direct fit replacement filters, universal clamp-on filters for custom builds, and maintenance items like oil filters, fuel filters, and cabin filters. Cold Air Intakes and Intake Systems K&am...
View K&N Engineering Products