1-87310992-0 Water Pump supports ZX470-5B 6UZ1 coolant circulation for B2B excavator parts repair, stocking, and wholesale sourcing.
The 1-87310992-0 Water Pump YNF19155 is supplied for compatible ZX470-5B excavators using the 6UZ1 diesel engine. Coolant is circulated through the engine cooling circuit so heat generated under working load can be transferred toward the radiator and corresponding heat-dissipation components.
Large excavators can operate for extended periods under demanding loads, making consistent coolant circulation important for cooling-system performance. Leakage around the pump, abnormal bearing noise, excessive shaft movement, or weakened coolant flow may indicate that the existing pump should be inspected or replaced.
For professional B2B buyers, the 1-87310992-0 6UZ1 water pump should be matched by part number, ZX470-5B machine information, engine reference, mounting-hole pattern, coolant-port arrangement, drive-side structure, dimensions, and existing-pump photos. Detailed verification before bulk purchasing helps reduce incorrect stock, installation delays, customer claims, and unnecessary repeat freight.
| Parameter | Specification |
|---|---|
| YNF Part Number | YNF19155 |
| Part Number | 1-87310992-0 |
| Product Name | Engine Water Pump |
| Alternative Name | Coolant Pump / Cooling Water Pump / Diesel Engine Water Pump |
| Product Type | Engine Coolant Circulation Pump |
| Parts Category | Excavator Engine Cooling Parts |
| Machine Reference | ZX470-5B |
| Engine Reference | 6UZ1 |
| Main Function | Circulates Coolant Through the Engine Cooling Circuit |
| Application | Excavator Diesel Engine Cooling System |
| Working Medium | Engine Coolant |
| Fitment Check | Part Number / ZX470-5B / 6UZ1 / Mounting Pattern / Coolant Ports / Drive Side / Dimensions / Existing Pump Photo |
| Quality Type | Aftermarket Replacement |
| Condition | New |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping Method | Air, Sea, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application | Description |
|---|---|
| ZX470-5B Excavator | Used in compatible 6UZ1 engine cooling configurations |
| 6UZ1 Diesel Engine | Supports coolant circulation through the engine circuit |
| Cooling System Renewal | Suitable when an aging water pump requires replacement |
| Engine Overhaul | Can be renewed during major engine rebuilding |
| Coolant Leak Repair | Applicable when leakage is traced to the water pump area |
| Overheating Diagnosis | Pump condition can be inspected during cooling-system troubleshooting |
| Fleet Maintenance | Practical for planned heavy-excavator servicing |
| B2B Parts Stocking | Suitable for dealers, wholesalers, and engine parts distributors |
Q: Which machine is referenced?
A: The supplied machine reference is ZX470-5B.
Q: Which engine is referenced?
A: The supplied engine reference is 6UZ1.
Q: What does this water pump do?
A: It circulates coolant through the compatible engine cooling circuit.
YNF Machinery supplies 1-87310992-0 water pumps and related ZX470-5B 6UZ1 engine cooling parts for excavator workshops, engine rebuilders, fleet operators, machinery dealers, wholesalers, and international importers.
The YNF19155 water pump is a fitment-sensitive engine component. Professional buyers are encouraged to compare the reference number together with the mounting pattern, coolant connections, drive-side structure, and overall pump dimensions before quantity purchasing.
Buyers can provide the 1-87310992-0 part number, ZX470-5B machine information, 6UZ1 engine reference, required quantity, mounting-side photos, drive-side photos, measurements, and clear images of the removed pump for matching.
Radiators, thermostats, radiator hoses, cooling fans, fan components, oil coolers, gasket sets, filters, and other 6UZ1 engine parts can also be consolidated into the same inquiry for more efficient B2B procurement.
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