Size Chart
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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
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
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