OE Quality
60-Day Returns

Baldwin RS4450 Air Filter
Overview of Baldwin RS4450 Engine Air Filter
The Baldwin RS4450 engine air filter is designed for specific Ford and Lincoln models, including the Ford Escape, Focus, Lincoln MKC, and Transit Connect. This filter ensures proper air flow and filtration to maintain engine performance and longevity.
- Compatible with Ford Escape, Focus, Lincoln MKC, and Transit Connect
- Height: 8 5/16 inches (211.1 mm)
- Inside Diameter: 2 3/4 inches (69.9 mm)
- Outside Diameter: 6 3/16 inches (157.2 mm)
- Includes integral gasket for secure installation
- Replaces Ford part numbers CV6Z-9601-A and Motorcraft FA1908
Detailed Specifications and Features
The Baldwin RS4450 engine air filter features precise dimensions to fit the air intake systems of select Ford and Lincoln vehicles. With a height of 8 5/16 inches and an outside diameter of 6 3/16 inches, this filter fits securely within the air box. The inside diameter of 2 3/4 inches ensures proper sealing and airflow. An integral gasket is included to prevent air leaks and maintain filtration efficiency. This filter is designed to replace OEM parts such as Ford CV6Z-9601-A and Motorcraft FA1908, providing a reliable alternative for maintenance and replacement needs.
Compatible Vehicles and Applications
This engine air filter is compatible with the following vehicles:
- Ford Escape
- Ford Focus
- Lincoln MKC
- Ford Transit Connect
It is specifically engineered to meet the air filtration requirements of these models, ensuring optimal engine performance and protection.
Common Issues Addressed by the RS4450 Filter
- Prevents engine damage caused by dust and debris entering the intake system
- Helps maintain fuel efficiency by ensuring clean airflow
- Reduces engine wear by filtering contaminants effectively
- Improves engine responsiveness and performance
- Prevents clogging and airflow restriction in the air intake
Installation Notes and Tips
When installing the Baldwin RS4450 engine air filter, ensure the integral gasket is properly seated to avoid air leaks. Remove the old filter carefully to prevent debris from entering the intake system. Verify the filter orientation matches the original installation, and confirm the filter fits securely within the air box. Regular inspection and replacement according to the vehicle manufacturer’s maintenance schedule will help maintain engine health.
Quality Assurance and Warranty
Baldwin engine air filters are manufactured to meet industry standards for filtration and durability. The RS4450 is built with quality materials to provide consistent performance. While specific warranty details may vary, Baldwin typically offers coverage against defects in materials and workmanship. Consult Baldwin’s official documentation or authorized distributors for exact warranty terms.
| Brand | Baldwin |
| Part Number | RS4450 |
| Fits | "Ford Escape, Focus; Lincoln MKC" |
| Height | 8 5/16 |
| Height (mm) | 211.1 |
| Inside Diameter 1 | 2 3/4 |
| Inside Diameter 1 (mm) | 69.9 |
| Integral Gasket | [1] Included |
| Outside Diameter 1 | 6 3/16 |
| Outside Diameter 1 (mm) | 157.2 |
| Remark 2 | One End |
| Replaces | Ford CV6Z-9601-A; Motorcraft FA1908 |
This part fits 41 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Ford | Escape | 1.5L | L4 | N/A | OE Number: FA1908 |
| 2019 | Ford | Escape | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2019 | Lincoln | MKC | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2019 | Lincoln | MKC | 2.3L | L4 | N/A | OE Number: FA1908 |
| 2018 | Ford | Escape | 1.5L | L4 | N/A | OE Number: FA1908 |
| 2018 | Ford | Escape | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2018 | Ford | Focus | 1.0L | L3 | N/A | OE Number: FA1908 |
| 2018 | Ford | Focus | 2.0L | L4 | N/A | OE Number : CV6Z9601A |
| 2018 | Ford | Focus | 2.3L | L4 | N/A | OE Number: FA1908 |
| 2018 | Lincoln | MKC | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2018 | Lincoln | MKC | 2.3L | L4 | N/A | OE Number: FA1908 |
| 2017 | Ford | Escape | 1.5L | L4 | N/A | OE Number: FA1908 |
| 2017 | Ford | Escape | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2017 | Ford | Focus | 1.0L | L3 | N/A | OE Number: FA1908 |
| 2017 | Ford | Focus | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2017 | Ford | Focus | 2.3L | L4 | N/A | OE Number: FA1908 |
| 2017 | Lincoln | MKC | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2017 | Lincoln | MKC | 2.3L | L4 | N/A | OE Number: FA1908 |
| 2016 | Ford | Escape | 1.6L | L4 | N/A | OE Number: FA1908 |
| 2016 | Ford | Escape | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2016 | Ford | Focus | 1.0L | L3 | N/A | OE Number: FA1908 |
| 2016 | Ford | Focus | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2016 | Ford | Focus | 2.3L | L4 | N/A | OE Number: FA1908 |
| 2016 | Ford | Transit Connect | 1.6L | L4 | N/A | OE Number: FA1908 |
| 2016 | Lincoln | MKC | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2016 | Lincoln | MKC | 2.3L | L4 | N/A | OE Number: FA1908 |
| 2015 | Ford | Escape | 1.6L | L4 | N/A | OE Number: FA1908 |
| 2015 | Ford | Escape | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2015 | Ford | Focus | 1.0L | L3 | N/A | OE Number: FA1908 |
| 2015 | Ford | Focus | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2015 | Ford | Transit Connect | 1.6L | L4 | N/A | OE Number: FA1908 |
| 2015 | Lincoln | MKC | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2015 | Lincoln | MKC | 2.3L | L4 | N/A | Fitment Note: OE Number FA-1908 |
| 2014 | Ford | Escape | 1.6L | L4 | N/A | OE Number: FA1908 |
| 2014 | Ford | Escape | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2014 | Ford | Focus | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2014 | Ford | Transit Connect | 1.6L | L4 | N/A | OE Number: FA1908 |
| 2013 | Ford | Escape | 1.6L | L4 | N/A | OE Number: FA1908 |
| 2013 | Ford | Escape | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2013 | Ford | Focus | 2.0L | L4 | N/A | OE Number: FA1908 |
| 2012 | Ford | Focus | 2.0L | L4 | N/A | OE Number: FA1908 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.