129100-42002 Water Pump maintains 4TNE88 coolant circulation for B2B excavator parts repair, engine rebuilding, inventory, and wholesale sourcing.
The 129100-42002 Water Pump YNF13558 is supplied for compatible equipment using the 4TNE88 diesel engine. It forms an essential part of the engine cooling system, where coolant is circulated through the engine and corresponding heat-dissipation components to support stable operating temperature.
A water pump is continuously subjected to engine speed, coolant flow, thermal cycling, and mechanical load. Leakage around the pump body or shaft area, abnormal bearing noise, excessive shaft play, or reduced coolant circulation can indicate that servicing or replacement is required.
For B2B buyers, the 129100-42002 4TNE88 water pump should be verified by part number, engine model, mounting-hole pattern, coolant-port arrangement, drive-side configuration, overall dimensions, and existing-pump photos. Exact machine application has not been supplied, so engine and physical matching should be prioritized before bulk purchasing to reduce incorrect stock and installation delays.
| Parameter | Specification |
|---|---|
| YNF Part Number | YNF13558 |
| Part Number | 129100-42002 |
| Product Name | Engine Water Pump |
| Alternative Name | Coolant Pump / Cooling Water Pump / Diesel Engine Water Pump |
| Product Type | Engine Coolant Circulation Pump |
| Parts Category | Diesel Engine Cooling Parts |
| Engine Reference | 4TNE88 |
| Machine Model | To Be Confirmed |
| Main Function | Circulates Coolant Through the Engine Cooling Circuit |
| Application | Diesel Engine Cooling System |
| Installation | Engine Cooling Circuit |
| Working Medium | Engine Coolant |
| Drive Configuration | To Be Confirmed from Existing Pump |
| Gasket Inclusion | To Be Confirmed |
| Fitment Check | Part Number / Engine Model / Mounting Pattern / Coolant Ports / Drive Side / Existing Part 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 |
|---|---|
| 4TNE88 Diesel Engine | Used in compatible engine cooling configurations |
| Engine Cooling Circuit | Maintains coolant movement through the system |
| Water Pump Replacement | Suitable when leakage or mechanical wear is identified |
| Engine Rebuilding | Can be renewed during engine overhaul |
| Overheating Inspection | Pump condition can be checked during cooling diagnosis |
| Cooling System Maintenance | Suitable for preventive cooling-system service |
| Equipment Workshop | Practical for engine and machinery repair businesses |
| B2B Parts Stocking | Suitable for dealers, wholesalers, and engine parts suppliers |
Q: Which engine is referenced?
A: The supplied engine reference is 4TNE88.
Q: What does this water pump do?
A: It circulates coolant through the compatible engine cooling system.
Q: Is the exact machine model confirmed?
A: No. Engine model, part number, dimensions, and existing-part configuration should be checked.
YNF Machinery supplies 129100-42002 water pumps and related 4TNE88 engine cooling parts for repair workshops, engine rebuilders, equipment dealers, wholesalers, fleet operators, and international importers.
The YNF13558 4TNE88 water pump is a fitment-sensitive engine component. Professional B2B buyers are recommended to verify the part number together with mounting-hole positions, coolant connections, drive-side structure, and overall dimensions before quantity purchasing.
Buyers can provide the 129100-42002 reference, 4TNE88 engine information, machine model, required quantity, pump dimensions, mounting-side photos, and clear images of the removed component for fitment confirmation.
Thermostats, radiator hoses, radiators, cooling fans, fan belts, pulleys, gasket sets, and other 4TNE88 engine parts can also be consolidated into the same inquiry to simplify procurement and reduce fragmented international shipping costs.
