RD-4900 K&N Dual Flange Oval Universal Air Filter
| Filter Material | Cotton Gauze |
| Flange Center to Center | 2.687 in (68 mm) |
| Flange Inside Diameter | 1.75 in (44 mm) |
| Flange Length | 0.75 in (19 mm) |
| Flange Type | Centered |
| Height | 6.25 in (159 mm) |
| Outside Length | 9 in (229 mm) |
| Outside Width | 5.5 in (140 mm) |
| Top Style | Open |
| Top Material | None |
| Air Filter Shape | Oval |
| Flanges | 2 |
| Package Contents | 1 Air Filter |
| Package Quantity | 1 |
| Warranty | 1 Year Limited |
| Washable | Yes |
| Product Style | Dual Flange Oval Universal Air Filter |
| Base Outside Length | 9 in (229 mm) |
| Base Outside Width | 5.5 in (140 mm) |
| Top Outside Length | 9 in (229 mm) |
| Top Outside Width | 5.5 in (140 mm) |
| Weight | 2 lb (0.9 kg) |
| Filter Re-Oiling Amount | 1.04 oz (31 ml) |
| Product Box Height | 7.75 in (197 mm) |
| Product Box Length | 9.38 in (238 mm) |
| Product Box Width | 9.38 in (238 mm) |
| Inner Wire | No |
Warning: Cancer & Reproductive Harm – P65Warnings.ca.gov
K&N Products
Unmatched Performance
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.
Air Filters
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.
Oil Filters
K&N oil filters use a high flow filter media that allows for high flow rates while providing outstanding engine protection.
Speed Shop
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.
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Why K&N?
We're #1 for a reason. Since 1969 every product we've created delivers high-performance, unmatched quality and longevity
