RC-5138 K&N Universal Clamp-On Air Filter
|Air Filter Shape||Round Tapered|
|Filter Material||Cotton Gauze|
|Flange Inside Diameter||6 in (152 mm)|
|Flange Length||0.625 in (16 mm)|
|Height||5 in (127 mm)|
|Base Outside Diameter||7.5 in (191 mm)|
|Top Outside Diameter||4.5 in (114 mm)|
|Package Contents||1 Air Filter|
|Warranty||1 Year Limited|
|Product Style||Round Tapered Universal Air Filter|
|Weight||1.4 lb (0.6 kg)|
|Filter Re-Oiling Amount||1.05 oz (31 ml)|
|Air Filter Large End Diameter||7.5 in (191 mm)|
|Product Box Height||8.69 in (221 mm)|
|Product Box Length||8.19 in (208 mm)|
|Product Box Width||8.13 in (206 mm)|
Advanced Moderate Easy
Installation PDFAir Filter Test Data
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50 years of improving vehicle performance.
Cold Air Intakes
Custom-engineered tubes deliver better airflow than you get with a stock intake. More air means better performance.
Using cotton gauze instead of typical folded paper, our filters increase airflow while providing excellent engine protection.
Cabin Air Filters
Helps capture most mold, mildew, fungus, spores, bacteria, germs, pollen and allergens, and helps to rid the air of unpleasant odors.
K&N oil filters use a high flow filter media that allows for high flow rates while providing outstanding engine protection.
From custom air filters to fuel pumps and carb accessories, the K&N Speed Shop has been assembled to help your vehicle run at peak performance.
Home Air Filters
New washable and reusable air conditioning and furnace filters for your home. From the industry leader in washable automotive filtration.
K&N is the home of the original red oiled air filter. In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an oiled air filter. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. Thank you for helping us reach 50 years in business!