In Stock Water Pump 4135550 Compatible with Deutz D2.9 TD2.9
Water Pump 4135550, compatible with Deutz D2.9 / TD2.9 engines, complete unit...
25-37581-10 Water Pump for Kubota V2203, High-Silicon Aluminum Impeller — compatible with R410, R510, KX151, L3350DT and other Kubota models running the V2203 engine.
Six-month defect warranty; stock status confirmed before checkout.
Stock Dispatch — Guangzhou warehouse holds this Kubota V2203 water pump with gasket, ready to ship the moment your part number or nameplate photo confirms the match.
| Parameter | Value |
|---|---|
| Part Number | 25-37581-10 |
| Product Type | Water Pump |
| Cross-Reference | 15521-73030, 15521-73033, 15521-73035, 15521-73039 (cross-reference only for identification purposes) |
| Engine Fitment | Kubota V2203 |
| Machine Fitment | R400(B), R410, R410B, R510 NEW TYPE, R510 OLD TYPE, R510B NEW TYPE, R510B OLD TYPE, L235, L275, L355SS, L3350DT, L4350DT, KH-101, KH-151, KH-60(H), KH-66/H KCL, KH-90(H), KH-91/H, KX101, KX151, KX161-2(S SERIES) |
| Impeller Material | High-silicon aluminum alloy (A380) |
| Shaft Runout | ±0.03 mm |
| Mechanical Seal | Carbon/ceramic faces |
| Mounting Flange Flatness | 0.05 mm tolerance |
| Housing Surface Finish | ISO 1302 Ra 3.2 μm |
| Assembly State | Complete unit with gasket included |
| Condition | New Aftermarket |
| Warranty | 6-month warranty against manufacturing defects |
| MOQ | 1 piece |
| Failure Symptom | Replacement Urgency |
|---|---|
| Coolant temperature climbing above normal on a compact excavator mid-trench | Same-day sourcing needed before the next shift starts |
| Visible coolant leak at the pump weep hole on a wheel loader | Immediate replacement to prevent engine overheating damage |
| Pump shaft play or bearing noise during routine inspection on a tractor | Schedule replacement within the current service window |
| Impeller cavitation marks found during a cooling system teardown | Swap before returning the machine to high thermal load duty |
A Kubota V2203 Water Pump in stock fast shipping replacement means the part leaves Guangzhou within a working day, not a week.
When a compact excavator overheats in a utility trench, every hour the machine sits idle costs the crew and the contractor. Waiting on a supplier to confirm whether 25-37581-10 still cross-references to the engine in your R410B, or discovering a minimum order quantity blocks your single emergency purchase, turns a simple swap into a multi-day shutdown. I have watched crews park a machine for an entire weekend because the wrong pump arrived and the correct one was back-ordered. [NEED_CITE: equipment downtime cost impact on compact excavator fleet operations]
The first step is always identification. Send the part number off the old pump, the machine model from the cab decal, or a photo of the nameplate — even if it is worn, painted over, or partly illegible. For this Kubota V2203 Water Pump in stock fast shipping replacement, we cross-check the number against the engine serial range and machine variant before confirming availability. A blurry Kubota V2203 plate once led me to ship a pump for a different displacement block; that mistake cost a contractor three days. Now every identification goes through a second visual check against port layout and mounting hole spacing before the warehouse pulls the box.
Once stock is confirmed, the dispatch window depends on the freight method you choose. Express courier typically reaches most international destinations within days, air freight adds a short transit window with customs clearance, and sea freight suits planned restocking when the machine is still running. [NEED_CITE: international freight transit time comparison for construction machinery spare parts] We quote the estimated arrival alongside the order confirmation so you know exactly when the pump will be in your workshop. The unit ships complete with gasket, meaning no secondary sourcing delays on a mating seal that has to arrive from a different supplier on a different schedule.
The impeller is cast from A380 high-silicon aluminum alloy, chosen for its resistance to cavitation erosion under the variable thermal loads that compact excavators and loaders impose during stop-start digging cycles. Shaft runout is held to ±0.03 mm, which keeps the carbon/ceramic mechanical seal faces aligned and prevents the weep-hole leakage that signals early seal failure. Mounting flange flatness within 0.05 mm ensures the gasket compresses evenly across the block mating surface, eliminating the uneven clamping that causes coolant seepage on high-hour engines. The housing surface finish at Ra 3.2 μm per ISO 1302 gives the gasket a consistent sealing interface without requiring additional sealant at installation.
Ordering a pump that looks correct but belongs to a different Kubota engine variant means the machine stays down while you wait for a return and reshipment. Even a close match — wrong port orientation or slightly different bolt pattern — forces the technician to either improvise or park the equipment. On a slope stabilization project with a tight deadline, that unplanned gap compounds into missed milestones. I have seen a contractor lose an entire concrete pour window because the cooling system was still apart waiting for the correct pump. [NEED_CITE: consequences of incorrect part fitment on construction project schedules]
The 25-37581-10 sits on the shelf in Guangzhou, not in a distant distribution center, so the gap between order confirmation and dispatch stays short. You can order a single piece — no minimum quantity padding a one-machine emergency. Part identification works from a number, a machine model, or a nameplate photograph, covering the situations where the plate is unreadable in the field. The pump ships with its gasket included, so the sealing interface arrives in the same box rather than on a separate order. A six-month manufacturing defect warranty backs the unit, with straightforward replacement if a material or workmanship issue surfaces during normal service. The technical team stays available to confirm compatibility when superseded numbers or variant differences create doubt.
Provide the part number from the old pump, the Kubota machine model, or a photograph of the engine nameplate. The more detail you can share — engine serial number, production year, or even a photo of the existing pump's port layout — the faster we confirm whether 25-37581-10 fits your exact V2203 variant and quote the Kubota V2203 Water Pump in stock fast shipping replacement with an arrival window.
Q: Is this Kubota V2203 water pump in stock right now? A: The 25-37581-10 is stocked in our Guangzhou warehouse and available for dispatch within a working day of order confirmation. We verify real-time availability before quoting, so the stock status you receive reflects the actual shelf count at that moment, not a catalog placeholder.
Q: Can I order just one piece for an emergency repair? A: Yes. The minimum order for this water pump is one piece, complete with gasket. There is no quantity threshold to clear before an emergency order ships, which matters when a single machine is down on site and you need the part moving immediately.
Q: How soon will the pump arrive if I order today? A: Arrival timing depends on destination and the freight method selected. Express courier typically reaches international equipment hubs within days, while air freight adds a short customs clearance window. We quote the estimated arrival date alongside the order so you can plan the repair slot around a confirmed delivery.
Q: The nameplate on my Kubota machine is unreadable — can a photo confirm the right part? A: Yes. Send a clear photo of whatever identification remains — partial nameplate, engine casting marks, or the old pump itself. We cross-check port layout, mounting hole spacing, and any visible casting numbers against the V2203 application range to confirm whether 25-37581-10 is the correct fit before dispatch.
Q: What happens if the pump I receive does not fit? A: A six-month warranty covers manufacturing defects, and we address fitment discrepancies through our technical team. If a cross-reference mismatch is identified upon arrival, we work to resolve the issue with a replacement or return based on the identification information provided at the time of order.
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