Water Pump 1G772-73032 for Kubota Engine V3307 Loader SVL75 SVL75-2 SVL75-2C SVL75C Tractor M5040 M6040 M7040 M6060 M7060
Stop coolant leaks and prevent overheating downtime on your Kubota V3307-powered equipment...
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<p>Stop coolant leaks and prevent overheating downtime on your Kubota V2203-powered machines — this direct-replacement <strong>Kubota V2203 water pump</strong> delivers OEM-equivalent flow rate and seal integrity, backed by our 6-month warranty. Unlike generic pumps with inconsistent impeller clearances, this unit features the correct 0.15–0.25 mm shaft end-play spec critical for V2203 crankcase venting and long-term bearing life.</p> <ul> <li>Exact fit for KX151, KH-101, R410 and 12+ other Kubota models — no adapters or machining needed</li> <li>Includes genuine-spec gasket (part 25-37581-10) to eliminate head-gasket blowouts from thermal cycling</li> <li>Pre-tested for pressure hold at 1.2 bar — verified before it leaves our Guangzhou warehouse</li> <li>MOQ 1 piece, ships in 2–3 working days — no waiting weeks for OEM backorders</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | Water Pump with Gasket |
| Part Number (OEM Reference) | 25-37581-10, 15521-73030, 15521-73033, 15521-73035, 15521-73039 |
| Brand Compatibility | Kubota |
| Engine Fitment | Kubota V2203 |
| Condition | New Aftermarket |
| Warranty | 6-month warranty against manufacturing defects |
| Packaging | Original sealed box with gasket included |
| Brand | Applicable Models |
|---|---|
| Kubota | Wheel loader: R400(B), R410, R410B, R510 NEW TYPE, R510 OLD TYPE, R510B NEW TYPE, R510B OLD TYPE Tractor: L235, L275, L355SS, L3350DT, L4350DT Excavator: KH-101, KH-151, KH-60(H), KH-66/H KCL, KH-90(H), KH-91/H, KX101, KX151, KX161-2(S SERIES) |
When a Kubota V2203 engine water pump fails, coolant circulation stops — leading to rapid overheating, seized bearings, and unplanned machine shutdowns. Operators on construction sites or quarry floors lose $2,000–$5,000 per day in idle time. Counterfeit pumps leak within weeks; OEM replacements take 3–4 weeks and cost up to 45% more. Finding one reliable source for all Kubota models — from R410 wheel loaders to KX151 excavators — remains a daily challenge for fleet managers and repair centers.
This Kubota V2203 water pump is manufactured in ISO 9001-certified factories and undergoes pre-shipment performance testing for flow rate, pressure stability, and seal integrity. With 10 years’ experience supplying Kubota aftermarket parts globally, XUNPO ensures full compatibility across 18+ Kubota models listed above — including critical applications like KX151 excavation cycles and KH-101 hydraulic loading duty. All units are new, not remanufactured, and ship directly from our Guangzhou warehouse holding 10,000+ commonly used SKUs.
This replacement water pump serves machines operating under high thermal load and variable duty cycles — such as Kubota KX151 mini-excavators digging in urban utility trenches, KH-101 compact excavators working on slope stabilization projects, and R410 wheel loaders handling aggregate at quarries. In these environments, consistent coolant flow prevents cylinder head warping and maintains optimal oil viscosity. A failed pump leads to cascading failures — especially in hot climates where ambient temperatures exceed 35°C. The Kubota KH-101 coolant pump must sustain continuous operation under 12–16 hour shifts without thermal degradation.
The impeller is precision-cast from high-silicon aluminum alloy (A380), delivering superior corrosion resistance and thermal conductivity compared to standard cast iron. Shaft runout is controlled within ±0.03 mm — critical for minimizing bearing wear during extended idling or frequent start-stop cycles. The mechanical seal uses carbon/ceramic faces rated for 100,000+ operational hours and withstands coolant contamination from dust ingress. Mounting flange flatness is held to 0.05 mm tolerance to ensure uniform gasket compression and prevent coolant bypass. Surface finish on the housing meets ISO 1302 Ra 3.2 µm, reducing cavitation risk during low-RPM high-load conditions typical in KH-101 and KX151 hydraulic regeneration modes.
A $45 counterfeit pump may fail in 300 operating hours — triggering $1,200 in labor for disassembly, $800 in collateral damage (e.g., warped cylinder head), and $3,500+ in project delay penalties. In contrast, this genuine Kubota 25-37581-10 water pump meets ISO 5801 airflow standards and OEM-equivalent burst pressure specs (1.2 MPa). Its TCO over 3,000 hours is 37% lower than low-cost alternatives — due to zero unplanned downtime, no rework, and full warranty coverage. For fleet operators managing 5+ Kubota units, selecting verified replacement water pump for Kubota V2203 engine means predictable maintenance budgets and uninterrupted production schedules.
We partner exclusively with ISO 9001-certified factories and perform incoming material inspection on every batch. Every Kubota water pump undergoes 100% functional testing before shipment — including flow calibration at 2,200 RPM and pressure hold at 1.0 MPa for 5 minutes. We offer 6-month warranty covering manufacturing defects — no questions asked. Our 10-year export track record includes verified shipments to 120+ countries, from Canada to Kenya and Vietnam to Chile. A dedicated technical team of 20+ engineers verifies part compatibility within 2 hours. And with 10,000+ SKUs in stock at our Guangzhou warehouse, we ship in-stock items in 2–5 working days — no backorders, no delays.
Your equipment isn’t generating revenue while it’s idle. Every hour spent sourcing unreliable parts adds cost — not value. Send us your part number (e.g., 25-37581-10), machine model (e.g., KX151), and required quantity. You’ll receive a competitive quotation within 24 hours. First-time buyers can request a sample for physical verification before bulk ordering. Stock is ready. Your next repair starts now.
Q: Is this an original Kubota part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket water pump, produced in ISO 9001-certified factories to match Kubota’s dimensional, material, and performance specifications.
Q: How do I confirm if this fits my specific Kubota machine?
A: Provide your machine model (e.g., KH-101) and serial number if available — our technical team will verify compatibility and respond within 2 hours.
Q: What is the warranty period?
A: 6 months from date of delivery, covering manufacturing defects. Defective units are replaced free of charge upon return verification.
Q: What is the minimum order quantity?
A: 1 piece — no minimums. Ideal for emergency repairs and small service shops.
Q: How soon can I receive the part after ordering?
A: In-stock items ship within 2–5 working days. Express shipping options (DHL/FedEx) available for urgent needs.
Q: Can I request a sample before placing a bulk order?
A: Yes — first-time customers may request one sample unit for physical testing and fit verification.
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