The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable and designed to be used as a replacement air filter for specific K&N RK Series air cleaner assemblies for Harley-Davidson motorcycles. The air filter is covered by the famous K&N Million-Mile Limited Warranty.
- Replacement air filter for specific RK Series air cleaner assemblies
| Attributes | |
| ASIN | B001IX6GHY |
| Air Filter Material | Cotton Gauze |
| Air Filter Shape | Oval |
| Alternate Part Number | E-3040 |
| Base Outside Length | 9.375 in (238 mm) |
| Base Outside Width | 6.125 in (156 mm) |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Country of Origin (Primary) | US |
| Emission Code | Legal US |
| Filter Material | Cotton Gauze |
| Filter Re-Oiling Amount | 0.65 oz (19 ml) |
| Flange Angle | 0 degrees |
| Flange Inside Diameter | 0 in (0 mm) |
| Flange Length | 0 in (0 mm) |
| Flanges | None |
| Frame Design | Flexible |
| GTIN | 00024844199348 |
| Harmonized Tariff Code (Schedule B) | 8421310000 |
| Hazardous Material Code | N |
| Height | 2.25 in (57 mm) |
| Inner Wire | No |
| Inside Length | 8.063 in (205 mm) |
| Inside Width | 1.625 in (41 mm) |
| Item Type | High Performance |
| Life Cycle Status Code | Available to Order |
| NAFTA Preference Criterion Code | B |
| Oil Included | Yes |
| Outside Length | 9.375 in (238 mm) |
| Outside Width | 6.125 in (156 mm) |
| Package Contents | 1 Air Filter |
| Package Material | Paperboard |
| Package Quantity | 1 |
| Package Type | Box |
| Pre-Screened | No |
| Product Box Height | 3.94 in (100 mm) |
| Product Box Length | 10.25 in (260 mm) |
| Product Box Width | 10.25 in (260 mm) |
| Product Style | Oval Air Filter |
| SDR Required Flag | N |
| Top Material | Black Powder Coated |
| Top Outside Length | 9.375 in (238 mm) |
| Top Outside Width | 6.125 in (156 mm) |
| Top Style | Metal |
| Warranty | No-Hassle Lifetime Limited |
| Washable | Yes |
| Weight | 1.6 lb (0.7 kg) |
K&N E-3040 Oval Air Filter
Product Information
- Brand: K&N
- Product Number: E-3040
- Availability: Call for Availability

















