Thermostat 15321-73010 for Kubota D902 D1105 – Emergency Replacement
Thermostat 15321-73010, replacement for Kubota D902/D1105, 160°F (71°C) opening — stocked in...
Water Pump RE507604 compatible with John Deere 318D, 319D, 320D, 323D, 326D, 329D, 332D, 333D — replacement for RE545572, RE545573 (cross-reference only).
Arrival window confirmed at quote stage so your downed machine isn't left waiting.
Single Piece Dispatch — A water pump RE507604 ready in our Guangzhou warehouse, moving out the same cycle your machine goes down.
| Parameter | Value |
|---|---|
| Part Number | RE507604, RE545572 |
| Product Type | Water Pump |
| Cross-Reference | RE507604, RE545572, RE545573, SE502114, SE502115, RE18520 (reference only) |
| Machine Fitment | 315D, 317, 318D, 319D, 320D, 323D, CT322, 325, 326D, 328, 328D, 329D, 332, 332D, 333D, CT332, 5065M, 5075M, 5085M, 5095M, 5015M, 5225, 5325, 5325N, 304J, 324J, 244J |
| Engine Compatibility | 4024, 5030 |
| Condition | New Aftermarket |
| Warranty | 3-12 months |
| Standards | ISO 9001 |
| Failure Symptom | Replacement Urgency |
|---|---|
| Coolant leak at weep hole | Immediate — machine overheats within operating hours |
| Temperature gauge climbing above normal | High — continued operation risks head gasket failure |
| Whining or grinding from pump bearing | Urgent — bearing seizure can snap the shaft mid-shift |
| Coolant circulation stops entirely | Critical — engine must not be started until replaced |
We confirm stock and dispatch timing before you commit, not after.
Waiting for a part number confirmation while a skid-steer sits hot on a job site burns money by the hour. I have had contractors send blurred nameplate photos at midnight because a 320D overheated during a night pour, and every hour of silence from a supplier meant another hour of idle crew and missed deadlines [NEED_CITE: cost of unplanned equipment downtime in construction operations]. The aftermarket supply chain often forces you into bulk minimums when a single water pump is all you need to get the machine running again. We keep the Water Pump RE507604 in stock specifically because cooling failures do not wait for a convenient ordering window.
A worn nameplate or a painted-over serial tag should not delay your order by days. Send us a photograph of the machine, the engine block stamping, or the old pump itself, and we cross-reference the fitment against the 4024 and 5030 engine families that this pump serves. The Water Pump RE507604 fits across a wide range from the 318D through the 332D and into the 5000M tractor series, but variant differences between production runs mean we verify before we ship. One confirmed part moves faster than three guesses.
In-stock items at our Guangzhou warehouse typically leave within 2–5 working days. Express freight reaches most international destinations in under a week, air cargo in roughly one to two weeks, and sea freight for planned restocks takes several weeks depending on port routing [NEED_CITE: international freight transit time variables for aftermarket parts]. We quote the transit window at the point of order so you can weigh urgency against cost. Each pump ships in packaging suited to its freight method, with the cast iron housing protected against impact damage during handling.
The cast iron housing provides the thermal mass and vibration damping needed where coolant temperatures cycle rapidly between cold starts and full-load operation. Engine compatibility with the 4024 and 5030 platforms means the impeller diameter, shaft seal, and port spacing are dimensioned for the flow rate and pressure these engines demand at their operating thermostat range. The ISO 9001 production standard ensures dimensional repeatability across units, so the bolt pattern and hose connections align without modification on the compatible John Deere machines listed in our fitment table.
Ordering a pump that does not fit means the machine stays down while the return ships back and the correct unit makes its way to you. On a compact tractor holding up a paving crew or a skid-steer needed for a demo job, that second round of waiting compounds the original failure cost. Misidentified cooling components also risk partial fitment, where the bolt holes align but the impeller sits at the wrong depth, leading to cavitation or inadequate flow that shows up only after the engine is back under load [NEED_CITE: cooling system cavitation symptoms in diesel engines]. Verification from a photo or machine model before dispatch eliminates this cycle.
Our Guangzhou warehouse holds stock of fast-failure cooling components so a single downed machine does not wait for a production run. One piece is a valid order — we do not gate emergency repairs behind volume commitments. Identification from a machine model, a worn nameplate, or a component photograph resolves ambiguity before the part ships. Cross-reference verification covers superseded numbers like RE545572 and SE502114, so you get the correct current equivalent without tracking the revision history yourself. Our technical team confirms fitment and grade before dispatch, and every unit carries the same warranty terms regardless of order size.
Tell us which machine is down — the model, engine type, or a photo of the nameplate and the failed pump — and we will confirm whether the Water Pump RE507604 in stock is the correct fit and quote the fastest shipping option to your location.
Q: Is this water pump in stock and when can it ship? A: Yes, we hold the Water Pump RE507604 in our Guangzhou warehouse for immediate dispatch. In-stock items typically ship within 2–5 working days of order confirmation, and we quote your specific transit window based on destination and chosen freight method at the time you place the order.
Q: Can I order just one piece for an emergency repair? A: One piece is a complete order. We do not require minimum quantities, because cooling failures on a single skid-steer or compact tractor do not justify buying more than the machine needs. Your emergency repair ships without waiting to bundle additional items.
Q: My nameplate is worn or painted over — can you identify the part from a photo? A: Send a photograph of the machine, the engine block, or the old pump itself. We cross-reference the image against known fitment for the 4024 and 5030 engine families and confirm the correct pump variant before anything ships.
Q: How long will delivery take to my location? A: Transit time depends on your destination and freight choice. Express typically arrives in under a week, air cargo in one to two weeks, and sea freight for planned orders in several weeks. We provide an estimated arrival window when you confirm the order.
Q: What happens if the part arrives and does not fit? A: If our verification confirmed fitment and the part still does not match your machine, we resolve it under our warranty terms. Providing the machine model, engine type, and serial information at the ordering stage minimizes this risk significantly.
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.
Fill in your details and we'll respond within 24 hours with a competitive quote.
Explore more high-quality excavator and heavy equipment parts from XUNPO.
Thermostat 15321-73010, replacement for Kubota D902/D1105, 160°F (71°C) opening — stocked in...
41355550 4138560 Water Pump, High-silicon aluminum impeller, dual ceramic-mechanical seals — compatible...
Keep your Kubota V3307 engine running cool and reliable with this high-performance...
Keep your Shibaura ISM N844 engine running cool and reliable with this...