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| SKU | KNNRU-1390 |
| MPN | RU-1390 |
| GTIN | 024844010179 |
| Certifications | None |
| Material | Rubber |
| Color/Finish | Black |
| Wheel Size (inches) | 4.5in x 3.75in |
| Spoke Style | Straight |
| Beadlock (Yes/No) | No |
| Backspacing (inches) | 7in |
Experience enhanced engine performance and protection with the K&N Universal Air Filter, model RU-1390. Designed with a durable rubber construction, this air filter provides a perfect balance of efficiency and reliability for various applications.
The universal design features an oval straight shape with dimensions of 4.5 inches outer length, 3.75 inches outer width, and 7 inches height, angled at 20 degrees. This allows versatile installation options across a wide range of vehicles and setups. Manufactured by K&N Engineering, a trusted name in high-performance automotive filtration, it ensures superior airflow while preventing harmful contaminants from entering your engine.
Whether upgrading your hot rod, kit car, or high-powered V8 engine, this air filter meets the demanding needs of tuning enthusiasts who expect quality and longevity. Its robust build and universal fit make it an essential part for anyone serious about automotive modification and excellence.
The universal design features an oval straight shape with dimensions of 4.5 inches outer length, 3.75 inches outer width, and 7 inches height, angled at 20 degrees. This allows versatile installation options across a wide range of vehicles and setups. Manufactured by K&N Engineering, a trusted name in high-performance automotive filtration, it ensures superior airflow while preventing harmful contaminants from entering your engine.
Whether upgrading your hot rod, kit car, or high-powered V8 engine, this air filter meets the demanding needs of tuning enthusiasts who expect quality and longevity. Its robust build and universal fit make it an essential part for anyone serious about automotive modification and excellence.
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















