OE Quality
60-Day Returns

Baldwin BT359 Transmission Oil Filter
Reliable Transmission Oil Filter for Allison Transmissions
The Baldwin BT359 transmission oil filter is designed specifically for Allison transmissions, providing precise filtration to maintain optimal transmission performance. With exact dimensions and an integral gasket included, this filter ensures a secure fit and effective protection.
- Compatible with Allison transmissions
- Height: 10 9/32 inches (261.1 mm)
- Outside diameter: 4 5/8 inches (117.5 mm)
- Thread size: 1 5/16 inches
- Integral gasket included for proper sealing
- Replaces GMC part number 25010335
- 12 threads per inch for secure installation
Detailed Product Description
The Baldwin BT359 transmission oil filter is engineered to meet the specifications required by Allison transmissions, ensuring compatibility and reliable operation. Its height of 10 9/32 inches (261.1 mm) and outside diameter of 4 5/8 inches (117.5 mm) provide a precise fit, while the 1 5/16 inch thread with 12 threads per inch guarantees secure attachment. The included integral gasket helps maintain a tight seal, preventing leaks and contamination. This filter replaces the GMC 25010335, making it a direct replacement option for vehicles equipped with Allison transmissions.
Applications and Problem Solving
- Prevents transmission fluid contamination by filtering out debris and particles
- Helps maintain smooth shifting and transmission performance
- Reduces wear on transmission components by ensuring clean fluid flow
- Addresses issues related to transmission overheating caused by clogged filters
- Compatible with various commercial and heavy-duty vehicles using Allison transmissions
Installation Notes and Tips
When installing the Baldwin BT359 transmission oil filter, ensure the gasket is properly seated to avoid leaks. Use the correct thread size (1 5/16 inches) and verify the filter is tightened to manufacturer torque specifications. It is recommended to replace the filter during routine transmission service intervals to maintain optimal performance.
Quality Assurance
Baldwin transmission filters are manufactured to meet industry standards for durability and filtration efficiency. The BT359 is designed to provide consistent performance and protect transmission components. While specific warranty details are not provided, Baldwin products typically adhere to strict quality control processes to ensure reliability.
| Brand | Baldwin |
| Part Number | BT359 |
| Fits | Allison transmissions |
| Height | 10 9/32 |
| Height (mm) | 261.1 |
| Integral Gasket | [1] included |
| Outside Diameter 1 | 4 5/8 |
| Outside Diameter 1 (mm) | 117.5 |
| Per Inch | 12 |
| Replaces | Gmc 25010335 |
| Thread | 1 5/16 |
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.