Premium Quality Aftermarket Replacement Solutions - Reliable Engine Cooling Performance
Factory Direct Sale - Global Export - OEM Quality Standards
We provide customized development for various engine cylinder liners: Caterpillar C7 Liner, Komatsu 6D102 Liner Kit, Cummins QSB6.7 Cylinder Sleeve, Isuzu 4HK1 Liner.
Are you facing engine temperature issues with your Caterpillar machinery? Our high-quality replacement CAT Water Pump 4394992 (also listed as 4394992) is specifically designed to solve coolant circulation failures in heavy-duty excavators. Whether you are using it for the 320D, 323D, or other C6.6/C7.1 engine models, this pump ensures stable thermal management.
Key Product Features:
Engineered for high-pressure durability in extreme construction environments.
Perfect fit for Caterpillar Excavator cooling systems, solving overheating alarms.
Precision-manufactured with premium seals to prevent leakage.
Advanced impeller design for maximum coolant flow rate.
Cost-effective Chinese High-Quality Alternative to original expensive parts.
| Attribute | Details |
|---|---|
| Model No. | 4394992 / 439-4992 |
| Product Name | Caterpillar Water Pump Assembly |
| Application | Excavator C6.4, C6.6, C7.1 Engines |
| Origin | China (Source Factory) |
| Certification | ISO9001 Quality Standard |
| Production Capacity | 5000 PCS / Year |
| Condition | 100% Brand New |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery | Express (DHL, Fedex, UPS, EMS), Air, Sea |
Honour Time Machinery Limited specializes in a wide range of engine components for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our core products include Cylinder Liner Kits, Piston Rings, Main and Con Rod Bearings, Full Gasket Sets, Turbochargers, and Oil Pumps.
Fuel & Cooling
| Category | Engine Parts Provided |
|---|---|
| Cylinder Components | Liner Kit, Piston, Piston Ring, Cylinder Block |
| Moving Parts | Crankshaft, Engine Bearing, Connecting Rod |
| Water Pump, Nozzle, Fuel Injector, Radiator | |
| Valvetrain | Valve Guide, Valve Seat, Main Valve |
| Electrical | Accelerator Motor, Monitor, Pressure Switch, Solenoid |
We provide parts for the following global brands and models. Use our parts to ensure your machinery stays on the job site without downtime.
| Brand | Models Supported |
|---|---|
| CATERPILLAR | 3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13 |
| KOMATSU | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 |
| ISUZU | 3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB1, 6BG1, 6HK1, 6WF1 |
| YANMAR | 4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106 |
| MITSUBISHI | 4D34, 4D24, K4M, S3Q2, 6D16, 6D24, S4KT, 6D40 |
| VOLVO | D6D, D6E, D9E, D12D, D7D, D7E, D12E, D16D |
| CUMMINS | QSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C |
Caterpillar C13 Fuel Injector: Essential for atomizing fuel in the combustion chamber of a CAT 345D Excavator.
Komatsu PC200-8 Floating Seal: Installed in the final drive to prevent oil leakage in dusty environments.
Cummins QSB6.7 Turbocharger: Boosts air intake for the Komatsu PC220-8 excavator to increase horsepower.
Isuzu 6HK1 Oil Pump: Circulates lubricating oil through the engine block of a Hitachi ZX330 excavator.
Yanmar 4TNV94L Piston: The primary moving component inside the cylinder of a ViO55 mini excavator.
Weichai WP12 Crankshaft: Converts linear piston motion into rotational force for heavy-duty SHACMAN trucks.
Kubota V2403 Gasket Head: Seals the cylinder head and block of a Bobcat S185 skid steer loader.
Caterpillar 320D Solenoid Valve: Controls hydraulic flow or engine shutdown via electrical signals.
Komatsu 6D107 Valve Seat: Provides a surface for valves to seal against in the cylinder head of a PC210-10.
Isuzu 4JJ1 Thrust Washer: Controls the axial movement of the crankshaft within the engine block.
Machine Model: Caterpillar 320D Excavator
Symptom: High engine temperature alarms and coolant loss during heavy lifting.
Diagnosis: The existing water pump had a worn bearing and a cracked impeller, leading to inefficient cooling.
Solution: Replacement with CAT Water Pump 4394992. After installation, the engine maintained a steady 85-90°C operating temperature even under full load. Maintenance tip: Always check the drive belt tension when replacing the water pump.
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