Lubrication & Cooling Systems
Water Pump 1E051-73036 for Kubota D722 D902 – Engine Grade
<p>Overhaul kit contents and matched tolerances verified before dispatch.</p>
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<p>Stop unexpected downtime and coolant leaks on your Kubota excavator — this <strong>Kubota V2203 water pump</strong> delivers OEM-equivalent sealing and flow performance right out of the box. Built for high-cycle applications like KX151 and KH-101 models, it features precision-machined impeller clearances and a factory-installed Viton® gasket that resists thermal creep — a known failure point in aftermarket copies.</p> <ul> <li>Direct-fit replacement for Kubota V2203 engine — no modifications or adapter kits needed</li> <li>Covers 12+ Kubota models including R400(B), L3350DT, KH-66/H KCL, and KX161-2 (S Series)</li> <li>Includes genuine-spec gasket kit — eliminates guesswork when reassembling under time pressure</li> <li>Backed by XUNPO’s 6-month warranty and 2-hour technical verification — because misordered pumps cost more than parts</li> </ul>
MOQ
1 Piece
Lead Time
2-5 Business Days
Shipping
120+ Countries
Warranty
3-12 Months
Compatible Brands
| Parameter | Details |
|---|---|
| Part Name | Kubota V2203 Engine 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 |
| Machine Model Fitment | Kubota Excavator: KH-101, KH-151, KH-60(H), KH-66/H KCL, KH-90(H), KH-91/H, KX101, KX151, KX161-2(S SERIES); Wheel Loader: R400(B), R410, R410B, R510 NEW/OLD TYPE, R510B NEW/OLD TYPE; Tractor: L235, L275, L355SS, L3350DT, L4350DT |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Original sealed box with anti-rust coating and protective foam |
| Brand | Applicable Models |
|---|---|
| Kubota | KH-101, KH-151, KH-60(H), KH-66/H KCL, KH-90(H), KH-91/H, KX101, KX151, KX161-2(S SERIES), R400(B), R410, R410B, R510 NEW TYPE, R510 OLD TYPE, R510B NEW TYPE, R510B OLD TYPE, L235, L275, L355SS, L3350DT, L4350DT |
Every hour your Kubota KX151 or KH-101 sits idle due to coolant system failure costs hundreds in lost productivity. Counterfeit water pumps fail within weeks — causing repeat shutdowns, gasket blowouts, and engine damage. OEM replacements take 3+ weeks and cost up to 45% more. And sourcing matching gaskets separately adds risk of mismatched sealing performance.
This Kubota V2203 water pump is manufactured in ISO 9001-certified facilities, undergoes pre-shipment flow-rate and pressure testing at 1.5× rated operating conditions, and ships from our Guangzhou warehouse with gasket included. Designed specifically for high-duty-cycle excavator applications like trenching, demolition, and site grading, it delivers consistent coolant circulation under continuous load — just like original equipment. With 10 years’ experience supplying Kubota aftermarket parts globally, we verify every part number against actual machine service manuals before listing.
This Kubota V2203 engine water pump operates reliably in demanding environments: construction sites with dust and vibration, quarry operations with thermal cycling, port terminals handling repetitive loading cycles, and demolition jobs with frequent high-RPM bursts. In these conditions, a failed water pump leads directly to cylinder head warping, coolant boil-over, and irreversible engine damage — making precise fitment and thermal stability non-negotiable. Kubota KX151 KH-101 water pump replacement must maintain stable flow across ambient temperatures from –10°C to +45°C.
The impeller is precision-cast from high-silicon aluminum alloy for corrosion resistance and thermal fatigue life. The shaft seal uses dual-lip NBR rubber with stainless steel spring loading to prevent leakage at 1.2 bar static pressure and 3,600 rpm rotational speed. Housing tolerances are held to ±0.05 mm to ensure perfect alignment with the V2203 timing cover mounting surface — eliminating vibration-induced gasket extrusion. All machined surfaces undergo phosphate conversion coating for rust protection during transit and storage. The included gasket kit uses multi-layer steel (MLS) construction with Viton elastomer coating for long-term compression set resistance.
A $35 counterfeit pump may save money upfront — but causes overheating within 120 operating hours, leading to $2,800 in engine rebuild labor, $1,100 in cylinder head machining, and 3 days of project delay penalties. This Kubota V2203 engine water pump with gasket meets ISO 10816 vibration standards and OEM cooling system flow specs (12.5 L/min @ 2,800 rpm). Its total cost of ownership is 62% lower over 2 years versus low-grade alternatives — thanks to verified durability, no secondary failures, and zero warranty claim downtime.
We partner exclusively with ISO 9001-certified factories and perform incoming material inspection on every batch. Every Kubota water pump undergoes full-flow performance testing before shipment to guarantee OEM-equivalent output. We offer 3–12 month warranty coverage for manufacturing defects — with no questions asked replacement. Our team has supported Kubota equipment operators in 120+ countries since 2014. With 20+ technical specialists on staff, we confirm part compatibility within 2 hours using official Kubota service bulletins and real-time cross-reference databases. Our Guangzhou warehouse holds over 10,000 SKUs — including this Kubota V2203 water pump — ready for same-day dispatch.
Your KX151 or KH-101 can’t wait — every day without coolant circulation risks permanent engine damage. Send us your part number, machine model, and required quantity, and receive a competitive quotation within 24 hours. First-time buyers may request a sample for physical verification before placing bulk orders. Stock is available now — no waiting for production runs or overseas shipments.
Q: Is this an original Kubota part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket part, produced in ISO 9001-certified factories and tested to meet Kubota V2203 engine cooling system specifications.
Q: How do I confirm this fits my specific machine?
A: Provide your exact model (e.g., KX151 serial prefix) and part number — our technical team verifies compatibility using official Kubota service data and responds within 2 hours.
Q: What is the warranty period?
A: 3–12 months from date of delivery, covering manufacturing defects only. Defective units are replaced free of charge with proof of purchase.
Q: What is the minimum order quantity?
A: 1 piece — designed for urgent maintenance needs, no volume commitment required.
Q: How fast can you ship?
A: In-stock items ship within 2–5 working days. Express courier options (DHL/FedEx/UPS) deliver to most destinations in 3–7 business days.
Q: Can I get a sample before ordering in bulk?
A: Yes — first-time customers may request one sample unit for physical evaluation and installation testing.
Ready to order or need a quote?
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WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
<p>Overhaul kit contents and matched tolerances verified before dispatch.</p>
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View DetailsSend us your inquiry and our technical team will verify the part and provide a competitive quote within 24 hours. MOQ starts from 1 piece.
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