













Images may differ
Some product images are generic and supplied by the manufacturer. Always check the product title, specifications and fitment information before ordering.
| SKU | KNNRU-1637 |
| MPN | RU-1637 |
| GTIN | 024844373922 |
| Certifications | None |
| Material | High-flow cotton gauze |
| Color/Finish | Red filter element with black rubber base and top |
| Wheel Size (inches) | 3 1/4 (flange) / 5 3/4 (base) / 3 1/2 (top) |
| Backspacing (inches) | 5 7/16 |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2016 | Ford | Fusion | SE |
| 2013-2016 | Ford | Fusion | Titanium |
Experience improved engine performance and filtration with the K&N Universal Clamp-On Air Filter, model RU-1637. This high-quality air filter is designed to provide superior airflow while protecting your engine from harmful contaminants. It features a clamp-on design for easy installation and is suitable for a wide range of applications due to its universal fit.
The filter measures 3 1/4 inches flange diameter, 5 3/4 inches base diameter, 3 1/2 inches top diameter, and stands 5 7/16 inches tall, making it a versatile choice for automotive enthusiasts looking to upgrade their air intake system. Crafted by K&N Engineering, a trusted name in performance parts, this air filter promises durability, efficiency, and long service life.
Ideal for those who demand performance and reliability, the K&N RU-1637 helps enhance engine power and throttle response by ensuring clean and ample airflow. Whether building a hot rod, restoring a classic, or tuning a street car, this universal air filter is a great addition to your engine bay.
Enjoy competitive pricing and fast delivery through Tuningsupply, your specialist for high-performance auto parts in Europe. Shop with confidence knowing there are no hidden fees such as import duties, making your purchase straightforward and hassle-free.
The filter measures 3 1/4 inches flange diameter, 5 3/4 inches base diameter, 3 1/2 inches top diameter, and stands 5 7/16 inches tall, making it a versatile choice for automotive enthusiasts looking to upgrade their air intake system. Crafted by K&N Engineering, a trusted name in performance parts, this air filter promises durability, efficiency, and long service life.
Ideal for those who demand performance and reliability, the K&N RU-1637 helps enhance engine power and throttle response by ensuring clean and ample airflow. Whether building a hot rod, restoring a classic, or tuning a street car, this universal air filter is a great addition to your engine bay.
Enjoy competitive pricing and fast delivery through Tuningsupply, your specialist for high-performance auto parts in Europe. Shop with confidence knowing there are no hidden fees such as import duties, making your purchase straightforward and hassle-free.
Customer reviews
Based on 160 reviews
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.

















