Baldwin BW5139 Cooling System Filter
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Baldwin

Baldwin BW5139 Cooling System Filter

Brand Baldwin BW5139
Contains 8 units bte
Fits "caterpillar, komatsu equipment"
Height 5 11/32
Height (mm) 135.7
Integral Gasket {g381-a}
Notes Maintenance filter for systems with 31-40 gallons capacity.;can b
Outside Diameter 1 3 11/16
Outside Diameter 1 (mm) 93.7
Per Inch 16
Replaces "allis chalmers 4393504, 4393504-8; case a152819; caterpillar 9n3
Thread 16-nov
Fits —

Maintenance filter. For systems with 31-40 gallons capacity.

Integral gasket. Includes gasket {G381-A} for a secure seal.

Threaded design. 16-Nov thread for straightforward installation.

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Baldwin BW5139 Cooling System Filter

The Baldwin BW5139 is a cooling system filter for Caterpillar and Komatsu equipment using a maintenance filter setup. It is specified for systems with 31-40 gallons capacity and uses an integral gasket for service replacement in the cooling circuit.

Key Features

  • Cooling system filter for heavy-duty equipment cooling circuits
  • Fits Caterpillar and Komatsu equipment applications
  • Height: 5 11/32 in. (135.7 mm)
  • Outside diameter: 3 11/16 in. (93.7 mm)
  • 16 threads per inch with 16-Nov thread specification
  • Integral gasket: G381-A
  • Compatible with CFB5000 base or CFB8784 dual base
  • Cross-references select OE numbers including Caterpillar 9N3366 and Komatsu 600-411-1040

Detailed Description

Built for cooling system maintenance, the Baldwin BW5139 helps service liquid-cooled systems that require filtration in the 31-40 gallon capacity range. This filter is listed for Caterpillar and Komatsu equipment and can be used with the CFB5000 base or CFB8784 dual base. The BW5139 part number is also referenced against several OE numbers, including Caterpillar 9N3366 and Komatsu 600-411-1040, making it a practical replacement choice when matching the original cooling system filter specification.

For buyers searching for a Baldwin BW5139 cooling system filter for Caterpillar equipment or a Komatsu cooling system maintenance filter, the listed dimensions and thread details help confirm the correct application before service. The BW5139 is also identified with an integral gasket, which supports a direct filter replacement during routine cooling system maintenance.

What It Helps Address

  • Cooling system contamination buildup
  • Reduced filtration performance in maintenance intervals
  • Service replacement needs for Caterpillar and Komatsu equipment
  • Cooling circuit upkeep on systems with 31-40 gallons capacity
  • OE cross-reference matching for the BW5139 application

Installation Notes and Tips

Verify the base style before ordering: this filter can be used with the CFB5000 base or CFB8784 dual base. Confirm the thread specification, overall height, and outside diameter against the existing filter before installation. For best results, replace the filter during scheduled cooling system service and check that the integral gasket is seated correctly.

Quality Assurance

Baldwin is a recognized filtration brand in heavy-duty applications, and the BW5139 is built to published dimensional and application specifications for cooling system service. Always confirm the part number BW5139 against the equipment’s required filter specification before installation.

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