OE Quality
60-Day Returns

Baldwin RS3539 Engine Air Filter
Overview of Baldwin RS3539 Engine Air Filter
The Baldwin RS3539 engine air filter is designed for heavy-duty trucks including Freightliner, Kenworth, Peterbilt, and Western Star models. Engineered with a 3 3/4 inch dust ejector hole and an inside-out flow direction, this filter supports efficient air intake and engine protection.
- Contains a 3 3/4 inch dust ejector hole for effective dust removal
- Compatible with Freightliner, Kenworth, Peterbilt, and Western Star trucks
- Furnished with gasket model G501-AF for proper sealing
- Height of 23 23/32 inches (602.5 mm) for precise fitment
- Inside diameters of 3 25/32 inches (96 mm) and 6 23/32 inches (170.7 mm)
- Outside diameter of 11 13/32 inches (289.7 mm)
- Inside-out flow direction to optimize filtration efficiency
- Replaces Donaldson P534816 filter
Detailed Product Description
The Baldwin RS3539 engine air filter is specifically designed to meet the filtration needs of heavy-duty trucks such as Freightliner, Kenworth, Peterbilt, and Western Star. Its 3 3/4 inch dust ejector hole helps to expel dust particles effectively, reducing the risk of engine contamination. The filter’s inside-out flow direction ensures that air passes through the filter media in a way that maximizes particle capture and extends filter life. With a height of 23 23/32 inches and carefully measured inside and outside diameters, the RS3539 provides a precise fit for compatible truck models. The included gasket (G501-AF) ensures a secure seal, preventing unfiltered air from entering the engine. This filter is a direct replacement for the Donaldson P534816, making it a reliable option for maintenance and replacement needs.
Applications and Problem Solving
- Prevents engine damage caused by dust and debris ingestion
- Maintains optimal engine performance by ensuring clean airflow
- Reduces wear on engine components by filtering contaminants
- Helps maintain fuel efficiency by supporting proper air-fuel mixture
- Compatible with common heavy-duty truck brands for straightforward replacement
Installation Notes and Tips
When installing the Baldwin RS3539 engine air filter, ensure the gasket (G501-AF) is properly seated to prevent air leaks. Confirm the inside-out flow direction aligns with the engine’s airflow system. Measure the filter housing to verify compatibility with the filter’s dimensions, including height and diameters. Regular inspection and timely replacement will help maintain engine health and performance.
Quality Assurance
Baldwin filters are manufactured to meet industry standards for durability and filtration efficiency. The RS3539 is designed to provide consistent performance under demanding conditions. While specific warranty details are not provided, Baldwin products typically adhere to strict quality control processes to ensure reliability in heavy-duty applications.
| Brand | Baldwin |
| Part Number | RS3539 |
| Contains | 3 3/4 inch dust ejector hole |
| Fits | "freightliner, kenworth, peterbilt, western star trucks" |
| Furnished Gasket | {g501-af} |
| Height | 23 23/32 |
| Height (mm) | 602.5 |
| Inside Diameter 1 | 3 25/32 |
| Inside Diameter 1 (mm) | 96 |
| Inside Diameter 2 | 6 23/32 |
| Inside Diameter 2 (mm) | 170.7 |
| Notes | Inside-out flow direction |
| Outside Diameter 1 | 11 13/32 |
| Outside Diameter 1 (mm) | 289.7 |
| Related to | {rs3539xp} (extreme performance nano version) |
| Remark 2 | & |
| Replaces | Donaldson p534816 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.