377-7037 Main Water Pump Rebuild Kit is a practical maintenance solution for compatible Caterpillar heavy-duty equipment. Designed to restore worn water pump components, this kit combines essential bearings, shaft, seals and hardware into one convenient package. It helps improve coolant circulation, reduce leakage and maintain stable engine operating temperatures.
| Parameter | Description |
| Part Number | 377-7037 KIT-WATER PUMP |
| Compatible Models | CAT D155A, D65E, GD705, GD825A; Komatsu D475A |
| Kit Contents | Bearings, Shafts, Seals, Fasteners, Filters, Protective Rings, Sealing Rings |
| Weight | 2.0 KG |
| Material | High-strength corrosion-resistant housing, wear-resistant impeller |
| Precision | Complies with OEM manufacturing standards (Precise fit) |
| Performance | Efficient water circulation, rapid heat dissipation |
| Packaging | Cartons |
| Lead Time | In-stock: 7 days; Production: Approximately 90 days |
| Alternative Part Numbers | None |
Your specified applications include:
Compatibility can vary by machine configuration and serial number. If you are unsure whether 377-7037 is suitable for your equipment, send us your machine serial number (PIN), engine model or original part number, and our technical team can help verify the application before shipment.
The 377-7037 Water Pump Rebuild Kit is suitable for:
It is particularly useful for maintenance and repair operations where reliable engine cooling is critical to continuous equipment operation.
YLCM specializes in supplying construction and mining machinery parts to customers worldwide. We understand that equipment downtime can directly affect project schedules and operating costs, so we focus on reliable parts sourcing, professional service and efficient delivery.
Whether you need a water pump rebuild kit, engine components, cooling system parts or other Caterpillar replacement parts, YLCM can help source the right components according to your equipment requirements.
Every 377-7037 Water Pump Rebuild Kit is professionally packed for international transportation. Depending on order quantity and destination, packaging solutions can include:
The components are securely protected to reduce the risk of impact, moisture, contamination and handling damage during transportation.
YLCM provides flexible international logistics solutions based on destination, order quantity and delivery requirements.
Available options include:
For bulk machinery parts orders, our logistics team can recommend a practical transportation solution based on your destination, cargo volume and required delivery schedule.
Q: What is 377-7037?
A: 377-7037 is a Caterpillar Main Water Pump Rebuild Kit designed to rebuild a compatible main water pump. The kit contains bearings, shaft, seals and related hardware.
Q: What components are included in the kit?
A: The kit can include a roller bearing, water pump shaft, water pump seal, lip-type seal, O-rings, retainer, filter, washers and bolts.
Q: Can 377-7037 be used for CAT D155A, D475A and D65E?
A: These are the machine applications provided for this product. Because Caterpillar compatibility can vary by serial number and configuration, we recommend confirming the original part number or machine PIN before ordering.
Q: Is 377-7037 a complete water pump?
A: No. It is a water pump rebuild kit, not a complete water pump assembly. It is intended to replace worn internal components and rebuild a compatible water pump.
Q: Why replace the water pump with a rebuild kit?
A: Replacing worn bearings, shafts and seals can help restore pump performance, reduce coolant leakage and improve cooling-system reliability while avoiding unnecessary replacement of the complete pump assembly.
Q: What is the warranty?
A: YLCM provides a standard 6-month warranty against manufacturing defects under normal operating conditions.
Q: How do I confirm compatibility?
A: Please send your machine model, serial number (PIN), engine model or original part number. Our technical team can check the application before shipment.
Q: Can you provide export packaging and international shipping?
A: Yes. YLCM provides professional export packaging and international logistics solutions including sea freight, railway transportation, land transportation and multimodal logistics.
Looking for 377-7037 Water Pump Rebuild Kit for CAT D155A / D475A / D65E / GD705 / GD825?
Contact YLCM for:
Send us your part number and machine serial number, and our team will help confirm the correct application and provide a competitive quotation.
