Click to zoom in
SKU: RB-0900 | UPC: 024844007230
K&N Universal Rubber Filter 3 inch 5 Degree FLG 4 1/2 inch OD 4 inch Height
The K&N RB-0900 universal clamp-on air filter fits a wide range of applications from racing vehicles and snowmobiles to generators and tractors. Its 3 inch inlet with 5 degree angled rubber flange, 4.5 inch outer diameter, and 4 inch height deliver high airflow while trapping contaminants. Install this pre-oiled filter for immediate gains in 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 reliable engine defense.
- Clean Once Every 5 Years: Requires cleaning every 75000 miles under normal highway driving, based on 15000 miles per year average.
- Easy Installation: Pre-oiled and ready to clamp on, providing one of the simplest upgrades for performance improvements.
- Engineered Power: Advanced filter media increases horsepower, acceleration, and overall engine response.
- Rugged Construction: Molded pliable rubber flanges absorb vibration, stretch up to 1/16 inch for secure fit, built with premium materials to last a lifetime.
Product Notes
- Washable and reusable design reduces need for frequent replacements.
- Flanges allow secure clamp-on attachment to custom air intakes.
- Product weight 0.6 lb (0.3 kg), box dimensions 7.13 x 4.56 x 4.56 inches.
Installation Notes
- Professional installation recommended.
- Clamp-on design fits 3 inch inlets with 5 degree offset.
- Stretches up to 1/16 inch for between-size compatibility, no hardware needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various | Racing Vehicles | All |
| Universal | Various | Generators | All |
| Universal | Various | Snowmobiles | All |
| Universal | Various | Tractors | All |
| Universal | Various | RC Cars | All |
Why Choose K&N?
- Proven filtration trusted in motorsports and powersports worldwide.
- High-flow cotton gauze media for better airflow than paper filters.
- State-of-the-art manufacturing ensures vibration-resistant, lifetime durability.
Frequently Asked Questions
-
Q: What intake sizes does the RB-0900 fit?
A: 3 inch inside diameter flange with 5 degree angle, stretches up to 1/16 inch for custom applications on racing vehicles, generators, snowmobiles, tractors, and more. -
Q: What material is used in the filter?
A: Premium cotton gauze layers treated with tacking agent, housed in pliable rubber flange for flexibility and strength. -
Q: What warranty is included?
A: 1-Year Limited Warranty covers defects in materials and workmanship.
Shipping &. Handling
- Method: Ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Secure box 7.13 x 4.56 x 4.56 inches
- Weight: 0.6 lb (0.3 kg)
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