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K&N RU-1012 universal clamp-on air filter delivers high-flow filtration for racing vehicles radio-controlled cars generators snowmobiles tractors and custom intakes. Dual 3-1/8 inch flanges secure to various tube diameters with 8-7/8 x 5-3/16 inch base 6-1/4 x 4 inch top and 9 inch height. Increases horsepower acceleration and engine performance while washable design saves money over disposables.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze treated with tacking agent trap contaminants in intricate filter media
- Clean Once Every 5 Years: Service every 75000 miles under highway conditions or 5 years at 15000 miles annually
- Easy Installation: Pre-oiled ready-to-use for direct clamp-on fit and quick performance gains
- Engineered Power: High-flow media boosts horsepower acceleration and overall engine response
- Rugged Construction: Pliable rubber flanges absorb vibration stretch up to 1/16 inch durable materials built to last
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-1012 |
| 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-1012. 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.
Related K&N Engineering Products
- Shop all K&N Engineering products
- K&N Universal Clamp-On Air Filter 4-1/2in FLG / 5-7/8in B / 4-1/2in T / 8-3/8in H
- K&N Universal Clamp-On Air Filter 5in FLG / 6-1/2in B / 4-3/8in T / 8-3/4in H
- K&N Universal Clamp-On Air Filter 2-3/4in FLG / 4-11/16in B / 3-1/2in T / 4-7/8in H
Frequently Asked Questions
How do I confirm K&N RU-1012 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-1012 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-1012?
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 directly to 3-1/8 inch dual intake tubes no cutting required
- Stretch flanges slightly for exact fit includes mounting hardware
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