K&N Universal Clamp-On Air Filter 4in FLG / 6in B / 4in T / 7in H - K&N Engineering KNNRU-4680
K&N Universal Clamp-On Air Filter 4in FLG / 6in B / 4in T / 7in H - K&N Engineering KNNRU-4680
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K&N Universal Clamp-On Air Filter 4in FLG / 6in B / 4in T / 7in H

KNNRU-4680
024844373816
Air Filters - Universal Fit
124 Units In Stock
$ 78.99
$ 78.99

K&N RU-4680 is a conical clamp-on universal air filter with 4 inch flange 6 inch base 4 inch top and 7 inch height designed for high-flow air intake on racing vehicles generators snowmobiles tractors and Dodge trucks like Dakota Durango Ram 1500. This washable reusable filter traps contaminants while allowing more airflow to boost horsepower and acceleration. Pre-oiled and ready to install it delivers performance gains across a wide range of applications.

Key Features

  • Engineered Power: High-flow media increases horsepower acceleration and overall engine performance.
  • Rugged Construction: Molded rubber flanges absorb vibration stretch up to 116 inch and use durable materials built to last a lifetime.
  • Ships in protective box dimensions 8.25 x 8.25 x 9.125 inches weight 1.3 pounds.
  • Clamp onto 4 inch air intake pipe centered flange ensures secure fit.
  • Over 60 years designing high-flow air filters for motorsports and street use.
  • Yes it fits 1998-2003 Dodge Dakota R/T and other listed models with 4 inch intake clamp directly to air tube.

Fitment

Years Make Model Application
1997-2003 Dodge Dakota R/T, SLT, Sport
1998-2003 Dodge Durango R/T, SLT, SLT Plus, Sport, SXT
1994-2001 Dodge Ram 1500 Laramie, LT, Sport, SS/T, WS
1994-2002 Dodge Ram 2500 Verify engine and application notes

Specifications

Brand K&N Engineering
Manufacturer Part Number RU-4680
Product Type Air Filters - Universal Fit
Fitment Type Vehicle Specific
Condition New

What's Included

One new K&N air filters - universal fit identified by manufacturer part number RU-4680. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.

About K&N Engineering

K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.

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Frequently Asked Questions

How do I confirm K&N RU-4680 fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.

Is K&N RU-4680 washable and reusable?
Serviceability depends on the exact media used for this part number. Follow the K&N cleaning and oiling directions for this filter and never apply oil to media specified as dry.

What should be checked after installing K&N RU-4680?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.

Installation Instructions

  • Clamp onto 4 inch air intake pipe centered flange ensures secure fit.
  • Flexible rubber flange accommodates offsets and vibrations no hardware needed.
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