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Baldwin BT9388 Power Steering Filter
Power Steering Filter for Ford, Freightliner, and International Vehicles
The Baldwin BT9388 power steering filter is engineered to maintain optimal hydraulic fluid cleanliness in heavy-duty vehicles such as Ford, Freightliner, and International models. Designed with a 20 psid by-pass valve and an integral gasket, this filter ensures reliable performance and protection for your power steering system.
- Includes a 20 psid by-pass valve for pressure regulation
- Compatible with Ford, Freightliner, International, and Thomas buses
- Height: 3 1/2 inches (88.9 mm)
- Outside diameter: 2 21/32 inches (67.5 mm)
- Thread size: 4-mar
- Integral gasket included for secure sealing
- Replaces Ford F8HZ-3C602-AA, Freightliner T1808D, VMLT1808D, and International equivalents
Detailed Product Description
The Baldwin BT9388 power steering filter is designed to fit a range of commercial vehicles including Ford trucks, Freightliner models, International trucks, and Thomas buses. Its 20 psid by-pass valve helps maintain consistent hydraulic pressure by allowing fluid to bypass the filter element when necessary, preventing damage from excessive pressure build-up. The filter’s compact dimensions—3 1/2 inches in height and 2 21/32 inches in outside diameter—make it suitable for tight engine compartments. The included integral gasket ensures a tight seal to prevent leaks and contamination ingress. This filter replaces several OEM part numbers, making it a reliable aftermarket option for maintaining power steering system integrity.
Common Applications and Issues Addressed
- Prevents contamination-related wear in power steering pumps and valves
- Reduces risk of hydraulic system failure due to clogged filters
- Maintains smooth steering response in Ford, Freightliner, and International vehicles
- Protects against premature component wear in Thomas buses and commercial trucks
- Helps avoid costly repairs caused by fluid contamination
Installation Notes and Tips
When installing the Baldwin BT9388 power steering filter, ensure the integral gasket is properly seated to prevent leaks. Verify thread compatibility with your vehicle’s power steering system using the 4-mar thread specification. It is recommended to replace the filter during routine hydraulic system maintenance or when signs of contamination or steering performance issues arise. Always follow vehicle manufacturer guidelines for filter replacement intervals.
Quality Assurance and Warranty
Baldwin filters are manufactured to meet stringent quality standards for durability and filtration efficiency. The BT9388 power steering filter is built to provide consistent performance under demanding operating conditions. Please refer to Baldwin’s official documentation for warranty details and coverage information.
| Brand | Baldwin |
| Part Number | BT9388 |
| Contains | 20 psid by-pass valve |
| Fits | "international thomas, buses; ford, freightliner, international, |
| Height | 3 1/2 |
| Height (mm) | 88.9 |
| Integral Gasket | [1] included |
| Outside Diameter 1 | 2 21/32 |
| Outside Diameter 1 (mm) | 67.5 |
| Per Inch | 16 |
| Replaces | "ford f8hz-3c602-aa; freightliner t1808d, vmlt1808d; internationa |
| Thread | 4-mar |
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* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.