Thermostat 15321-73010 for Kubota D902 D1105 – Emergency Replacement
Thermostat 15321-73010, replacement for Kubota D902/D1105, 160°F (71°C) opening — stocked in...
Ready to ship immediately from warehouse stock.
Stock Ready to Dispatch — CH12859 water pumps sit on our Guangzhou shelf so your John Deere or Yanmar tractor returns to work before the weekend.
| Parameter | Value |
|---|---|
| Part Number | CH12859 |
| Product Type | Water Pump |
| Cross-Reference | CH12859 (reference only) |
| Machine Fitment | 850, 950, 1050, 900HC Compact Utility Tractors; 3T80-J, 3T90-J, 3T90T Engines |
| Brand Compatibility | John Deere, Yanmar |
| Fan Hub Diameter | 2" OD |
| Condition | New Aftermarket |
| Warranty | 3-12 months against manufacturing defects |
| Kit Contents | Water pump with gasket |
| Quality Standard | ISO |
| Failure Symptom | Replacement Urgency |
|---|---|
| Coolant leak at front of engine block | Immediate — tractor overheating within minutes |
| Fan hub wobble or bearing noise | High — bearing seizure can snap the shaft |
| Low coolant circulation at idle | Same-day — risk of warped head under load |
| Scheduled water pump swap during overhaul | Planned — fits within rebuild window |
The Water Pump CH12859 in stock ships the same day payment clears, so your repair schedule survives.
When a compact utility tractor goes down in the middle of a field season, every hour of diagnosis and sourcing compounds the loss. I once spent half a day cross-checking a blurry Yanmar 3T80-J nameplate while the machine sat idle, only to discover the local supplier needed weeks to bring one in. That delay stretched into a three-day standstill once customs held the parcel at the port. A fast shipping water pump replacement only matters if the warehouse actually has it, and if the logistics chain moves without hidden pauses. [NEED_CITE: agricultural equipment downtime cost impact during peak season]
A Water Pump CH12859 in stock means no back-order guesswork. Our Guangzhou warehouse keeps this part on the shelf because it serves four John Deere compact utility tractors and three Yanmar engine variants, all sharing the same cooling demand profile. When you send a photo of the nameplate — even one smeared by diesel residue — our team reads the model and confirms fitment before you commit to a purchase order.
Shipping windows depend on the route chosen at checkout. Express couriers reach most Latin American and Southeast Asian capitals within days, while air freight suits larger consolidated orders heading to regional distributors. We quote the arrival estimate when we confirm the order, not after the box has already left the dock. [NEED_CITE: international small-parcel transit benchmarks for agricultural spare parts]
The 2-inch OD fan hub diameter dictates which pulley and belt set will mate with this pump. Using a mismatched hub forces the fan to sit off-center, creating vibration that destroys the pump bearing long before the impeller sees wear. The included gasket is matched to the mounting face of the 3T80-J and 3T90-J block, so no extra sealant guessing is needed on the shop floor. ISO-standard production ensures the bolt pattern and port spacing align with the factory casting. Because the kit ships with the gasket pre-matched, there is no risk of ordering the wrong sealing material from a separate catalog line.
Ordering the wrong variant and waiting for a return shipment doubles the machine-off period. In my scheduling years, I watched a repair shop tear down the front cover of a 950 tractor twice because the first pump arrived with a different port orientation. Each round-trip freight run added idle labor hours and pushed the harvest window deeper into uncertain weather. [NEED_CITE: cost of duplicate teardown cycles in compact tractor repair]
Our Guangzhou warehouse stocks the CH12859 water pump alongside related cooling and lubrication items, so a single account handles the entire repair list. One-piece minimum orders let workshops cover an emergency without inflating inventory. Part identification works from a part number, a machine model, or a photograph of a faded plate. Cross-reference verification catches superseded numbers before the parcel leaves the shelf. The same quality and warranty terms cover both our own production lines and qualified partner sources. Technical staff remain reachable for grade or fitment questions throughout the process.
Send the part number, the machine model, or a clear photograph of the equipment nameplate. We will confirm stock status, the shipping method that fits your deadline, and the expected arrival date before you issue the order.
Q: Is the CH12859 water pump actually in stock right now? A: Yes. We hold this water pump in our Guangzhou warehouse for immediate release. Inventory is updated on each order cycle, so we confirm exact availability when you send your inquiry.
Q: What is the minimum order quantity for an emergency repair? A: One piece. You can order a single CH12859 pump with its matched gasket without meeting a bulk threshold, which suits workshops handling an unexpected tractor failure.
Q: How soon will the pump arrive after I place the order? A: Transit depends on the destination and chosen freight method. Express couriers typically deliver within days, while air and sea routes take longer. We quote the expected arrival window at the time of order confirmation.
Q: My tractor nameplate is unreadable — can you still confirm fitment? A: Send a photo of the machine, the old pump, or any remaining casting marks. Our team cross-checks the model range and returns a fitment answer before you commit.
Q: What happens if the pump that arrives does not match my machine? A: Contact us immediately with photos of the received item and your equipment. We will arrange a cross-reference review and coordinate a resolution under our warranty terms.
Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.
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