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K&N RU-1620 universal air filter delivers consistent engine protection across racing vehicles, radio-controlled cars, generators, snowmobiles, tractors and more. Molded rubber flanges secure to any intake angle or offset diameter for vibration-free performance. Washable and reusable construction ensures long-lasting filtration with easy maintenance.
Key Features
- Exact Dimensions: 2 7/8 inch (73 mm) flange inside diameter, 4 inch (102 mm) outside diameter, 6 inch (152 mm) height for precise intake matching.
- Pliable Rubber Flanges: Ultra-strong molded design absorbs vibration and stretches up to 1/16 inch (1.5 mm) to fit in-between sizes.
- Lightweight 1 lb construction simplifies handling and storage.
- Proven leader in high-flow air filtration for motorsports and powersports.
- This is a universal filter for any 2 7/8 inch flange intake on racing vehicles, R/C cars, generators, snowmobiles, tractors and similar equipment regardless of angle.
- Flanges stretch slightly during installation for custom fit on varying intake sizes.
Fitment
| Fitment Status | Universal or dimensional product |
|---|---|
| Required Verification | Exact dimensions, media, connection, mounting interface, and companion part number |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | RU-1620 |
| Product Type | Air Filters - Universal Fit |
| Fitment Type | Universal |
| Condition | New |
What's Included
One new K&N air filters - universal fit identified by manufacturer part number RU-1620. 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-1620 fits my setup?
Match every listed dimension, flange or thread size, media type, mounting interface, and companion component. A similar shape or outside dimension alone does not confirm compatibility.
Is K&N RU-1620 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-1620?
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
- Apply hose clamps to flange for secure hold during high-vibration use
- Compatible with rubber or metal intake tubes using centered flange design
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