K&N Filter Universal Rubber Filter 3 1/2 inch Flange 4 5/8 inch Base 3 1/2 inch Top 7 inch Height K&N Engineering KNNRU-3130
K&N Filter Universal Rubber Filter 3 1/2 inch Flange 4 5/8 inch Base 3 1/2 inch Top 7 inch Height K&N Engineering KNNRU-3130
K&N Filter Universal Rubber Filter 3 1/2 inch Flange 4 5/8 inch Base 3 1/2 inch Top 7 inch Height K&N Engineering KNNRU-3130
Click to zoom in

K&N Filter Universal Rubber Filter 3 1/2 inch Flange 4 5/8 inch Base 3 1/2 inch Top 7 inch Height

KNNRU-3130
024844010971
Air Filters - Universal Fit
20+ Units In Stock - Ships Next Business Day
$ 52.99
$ 52.99

SKU: RU-3130 | UPC: 024844010971

K&N RU-3130 Universal Clamp-On Air Filter: 3 1/2 inch Flange 4 5/8 inch Base 3 1/2 inch Top 7 inch Height

K&N RU-3130 delivers high-flow filtration for custom air intakes on racing vehicles radio-controlled cars generators snowmobiles tractors and more. This clamp-on filter features a centered 3.5 inch rubber flange that stretches up to 1/16 inch for secure vibration-absorbing fit. Pre-oiled and washable it increases horsepower and acceleration while trapping contaminants for long-lasting engine protection.

Key Features

  • 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that blocks harmful contaminants from reaching the engine.
  • Clean Once Every 5 Years: Requires cleaning only 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 design boosts airflow for improved horsepower acceleration and engine response.
  • Rugged Construction: Durable premium materials and molded rubber flanges built to last a lifetime absorbing vibration.

Product Notes

  • Flange stretches up to 1/16 inch to fit in-between sizes regardless of intake angle or offset.
  • Washable and reusable with K&N cleaning kit for repeated use without replacement.
  • Packaged in protective box measuring 8.25 x 8.19 x 7.56 inches.

Installation Notes

  • Professional installation recommended.
  • Clamp directly onto 3.5 inch intake tube using rubber flange for secure seal.
  • Hardware included no cutting or modification needed for most universal setups.

This Part Fits

Year Make Model Submodel
Universal Various Racing Vehicles Custom Intakes
Universal Various Generators All
Universal Various Snowmobiles Custom
Universal Various Tractors All
Universal Various ATVs UTVs Aftermarket

Why Choose K&N?

  • Over 60 years engineering high-performance filtration for motorsports and powersports.
  • Washable filters outlast disposables reducing landfill waste by millions annually.
  • Precision manufacturing ensures exact fit and maximum airflow in demanding conditions.

Frequently Asked Questions

  • Q: What intake sizes does the RU-3130 fit?
    A: Designed for 3.5 inch flange diameter stretches up to 1/16 inch works with centered round tapered intakes on custom setups.
  • Q: What material is used in construction?
    A: Ultra-strong molded pliable rubber flanges with premium cotton gauze media for durability and flexibility.
  • Q: What is the warranty and maintenance?
    A: Backed by 1-Year Limited Warranty clean every 75000 miles using K&N oil and cleaner kit.

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective box 8.25in x 8.19in x 7.56in
  • Weight: 1.4 lb (0.6 kg)

Request For Information

Have questions about K&N Filter Universal Rubber Filter 3 1/2 inch Flange 4 5/8 inch Base 3 1/2 inch Top 7 inch Height? Fill out the form below and we'll get back to you by the next business day.
Air Filters

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

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

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
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×