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Baldwin BW5139 Cooling System Filter
Overview of Baldwin BW5139 Cooling System Filter
The Baldwin BW5139 cooling system filter is designed for use in heavy equipment such as Caterpillar and Komatsu machinery. This maintenance filter supports cooling systems with capacities between 31 and 40 gallons, ensuring reliable filtration performance for your equipment.
- Contains 8 units per box for convenient maintenance scheduling
- Compatible with Caterpillar and Komatsu equipment cooling systems
- Height: 5 11/32 inches (135.7 mm)
- Outside diameter: 3 11/16 inches (93.7 mm)
- Integral gasket model G381-A for secure sealing
- Thread specification: 16-nov
- Replaces Allis Chalmers 4393504, 4393504-8; Case A152819; Caterpillar 9N3 series filters
Detailed Product Description
The Baldwin BW5139 cooling system filter is engineered to maintain optimal coolant cleanliness in heavy-duty equipment. With a height of 5 11/32 inches and an outside diameter of 3 11/16 inches, this filter fits cooling systems with 31 to 40 gallons capacity. The integral gasket (G381-A) ensures a tight seal to prevent leaks and maintain system integrity. Its thread size of 16-nov matches OEM specifications, making it a direct replacement for several original equipment manufacturer filters including those from Allis Chalmers, Case, and Caterpillar.
Applications and Problem Solving
- Prevents coolant contamination in Caterpillar and Komatsu heavy machinery
- Reduces risk of overheating by maintaining clean coolant flow
- Protects engine components from debris and corrosion
- Supports maintenance schedules for systems with 31-40 gallon coolant capacity
- Replaces worn or damaged filters to restore cooling system efficiency
Installation Notes and Tips
When installing the Baldwin BW5139 filter, ensure the cooling system is depressurized and cooled down to avoid injury. Verify the gasket seating to prevent leaks and cross-threading during installation. Replace filters at recommended service intervals to maintain optimal cooling system performance in Caterpillar and Komatsu equipment.
Quality Assurance
Baldwin filters are manufactured to meet stringent quality standards for durability and filtration efficiency. The BW5139 filter is designed to meet or exceed OEM specifications, providing reliable performance in demanding heavy equipment applications. Please consult Baldwin’s warranty documentation for specific coverage details.
| Brand | Baldwin |
| Part Number | 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 |
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* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.