K&N Universal Rubber Filter

SKU: RU-3120 | UPC: 024844010964

K&N RU-3120 Universal Clamp-On Air Filter

K&N RU-3120 delivers high-flow filtration for racing vehicles radio-controlled cars generators snowmobiles tractors and custom intakes with 2.75 inch (70mm) flange diameter 1.5 inch (38mm) flange length and 5 inch (127mm) filter length and height. Molded rubber flanges absorb vibration stretch up to 1/16 inch (1.5mm) and clamp securely for reliable seal. Increases airflow for more horsepower acceleration and engine response while trapping contaminants.

Key Features

• 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form intricate mesh to block trap dirt dust and harmful particles
• Clean Once Every 5 Years: Lasts 75000 miles under normal highway driving (5 years at 15000 miles per year) washable reusable design saves money
• Easy Installation: Pre-oiled ready-to-use clamp-on style installs quickly delivers performance gains without tools or modifications
• Engineered Power: High-flow media boosts horsepower acceleration and throttle response across RPM range
• Rugged Construction: Durable premium materials withstand vibration heat and abuse built to last a lifetime

Product Notes

• Flanges stretch slightly to fit in-between intake sizes vibration absorption prevents loosening
• Wash with K&N cleaner re-oil for repeated use maintains filtration efficiency
• Weight 1.1 pounds package dimensions 7.6 x 6.1 x 5.9 inches

Installation Notes

• Professional installation recommended.
• Clamp directly onto 2.75 inch (70mm) intake pipe no adapters needed
• Rubber flange ensures airtight seal compatible with straight round intakes

This Part Fits

Year	Make	Model	Submodel
Universal	Various	Racing Vehicles	N/A
Universal	Various	Generators	N/A
Universal	Various	Snowmobiles	N/A
Universal	Various	Tractors	N/A
Universal	Various	Radio-Controlled Cars	N/A

Why Choose K&N?

• Decades of engineering high-performance air filters trusted by racers worldwide
• Reusable design cuts replacement costs protects engine longer than paper filters
• State-of-the-art media proven to flow more air without sacrificing filtration

Frequently Asked Questions

• Q: Will K&N RU-3120 fit my custom intake setup?
  A: Fits any 2.75 inch (70mm) diameter straight round air intake on racing equipment generators snowmobiles tractors or performance builds flanges stretch for perfect seal
• Q: What filter media does it use?
  A: Four layers of oiled cotton gauze treated with proprietary tackifier traps fine particles allows maximum airflow washable for lifetime use
• Q: What warranty covers this filter?
  A: Backed by 1-Year Limited Warranty covers defects in materials workmanship under normal use

Shipping & Handling

• Method: UPS Ground
• Availability: In stock – ships same or next business day
• Packaging: Protective box 7.6 x 6.1 x 5.9 inches
• Weight: 1.1 pounds