Baldwin BT359 Transmission Oil Filter
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Baldwin

Baldwin BT359 Transmission Oil Filter

Brand Baldwin 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
Fits —

Transmission oil filter. Helps keep transmission fluid cleaner for smoother operation.

Integral gasket included. Simplifies installation with a built-in sealing surface.

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Baldwin BT359 Transmission Oil Filter

The Baldwin BT359 is a transmission oil filter for Allison transmissions, built around the listed dimensions and thread specification for service applications that require this exact style of filter. It is a direct replacement for GMC 25010335 and is a practical choice for Allison transmission maintenance on GMC and related heavy-duty applications.

Key Features

  • Transmission oil filter for Allison transmissions
  • Part number: BT359
  • Outside diameter: 4 5/8 in. (117.5 mm)
  • Height: 10 9/32 in. (261.1 mm)
  • Thread size: 1 5/16
  • Integral gasket included
  • Replaces GMC 25010335

Detailed Description

Baldwin BT359 is specified for Allison transmissions and is sized to match the listed height, outside diameter, and thread requirements. The integral gasket is included as part of the filter design, helping support a proper seal during transmission service. For buyers searching Allison transmission oil filter BT359, Baldwin BT359 replacement, or GMC 25010335 transmission filter, this part provides the core fitment details needed for a correct match.

Use BT359 when servicing Allison transmission systems in GMC applications where the OEM reference is GMC 25010335. The Baldwin BT359 name is often searched alongside Allison transmission filter and GMC transmission oil filter terms, making it easier to identify the correct service part for the application.

What It Is Used For

  • Replacing a worn or service-interval transmission oil filter
  • Restoring proper filtration in Allison transmission service
  • Addressing leaks related to an aged filter gasket
  • Matching an OEM reference for GMC 25010335
  • Supporting routine transmission maintenance on GMC and Allison-equipped vehicles

Installation Notes and Tips

Confirm the filter height, outside diameter, thread size, and gasket style against the removed part before installation. Clean the mounting surface thoroughly, inspect the transmission pan and sealing area for debris, and verify the filter seats correctly before reassembly. For Allison transmission service, always follow the vehicle and transmission manufacturer’s service procedure.

Quality Assurance

Baldwin is a recognized filtration brand with a long history in automotive and heavy-duty service parts. BT359 is built to the listed specifications for Allison transmission applications and cross-references GMC 25010335 for the same application.

Related reading

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes