Lubrication & Cooling Systems
Lubrication & Cooling Systems
Kubota V2203 Water Pump with Gasket – Direct Replacement for KX151, KH-101, R410
<p>Stop downtime from coolant leaks or overheating on your Kubota excavator — this <strong>Kubota V2203 water pump with gasket</strong> delivers OEM-matched sealing and flow performance, right out of the box. Built for KX151 and KH-101 models (and 10+ other Kubota machines), it’s a true drop-in replacement that restores cooling system integrity without guesswork or adapter kits.</p> <ul> <li>Includes the correct OEM-spec gasket (part 25-37581-10) — no need to source separately or risk mismatched thicknesses</li> <li>Cross-references five factory part numbers including 15521-73030, 15521-73033, and 15521-73039 for full coverage across service manuals</li> <li>Pre-tested for pressure retention and impeller balance — critical for avoiding premature bearing wear in high-cycle KX-series operation</li> <li>Ships same-day from our Guangzhou warehouse: no waiting weeks for OEM backorders</li> </ul>
Lead Time
2-5 Days
Warranty
3-12 Months
Min. Order
1 Piece
Ships To
120+ Countries
Request a Quote
Response within 24 hours
Product Details
Product Specifications
| Parameter | Details |
|---|---|
| Part Name | Kubota V2203 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 engine |
| Machine Model Fitment | Kubota KH-101, KH-151, KH-60(H), KH-66/H KCL, KH-90(H), KH-91/H, KX101, KX151, KX161-2(S SERIES); Wheel Loaders: R400(B), R410, R410B, R510 NEW/OLD TYPE, R510B NEW/OLD TYPE; Tractors: L235, L275, L355SS, L3350DT, L4350DT |
| Condition | New Aftermarket |
| Warranty | 12-month warranty against manufacturing defects |
| Packaging | Individual sealed box with anti-rust coating and protective foam |
Compatible Models
| 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 |
Tired of Overheating Kubota Excavators? Get the Right Kubota V2203 Water Pump for Your KX151 and KH-101
When a Kubota V2203 water pump fails, engine temperature spikes within minutes — risking cylinder head warping, coolant loss, and unplanned downtime. Operators report losing $2,800–$4,500 per day in idle rental fees or delayed project milestones. OEM replacements often take 18–25 days to arrive, while counterfeit units fail after just 300 operating hours due to undersized impellers and non-OEM gasket materials.
OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse
This Kubota V2203 water pump is manufactured in ISO 9001-certified facilities and undergoes full functional testing before shipment — including pressure hold (1.2 bar for 15 min), flow rate verification (≥22 L/min at 2,200 rpm), and shaft runout measurement (<0.05 mm). Built for continuous operation in Kubota excavator hydraulic systems and wheel loader cooling circuits, it delivers consistent thermal management during high-load digging, grading, or material handling cycles.
Where This Part Works
This water pump operates under demanding conditions across construction sites, quarries, municipal infrastructure projects, and port logistics terminals. In Kubota KX151 mini-excavators, it maintains stable coolant circulation during repetitive trenching in compact urban spaces; in KH-101 hydraulic excavators, it withstands vibration and thermal cycling during extended demolition or foundation work. Reliable coolant flow is critical — even a 5°C rise above normal operating temperature reduces bearing life by 40%.
Engineering Details That Matter
The impeller is precision-cast from high-silicon aluminum alloy (A380) for optimal cavitation resistance and thermal expansion matching with the V2203 block. The mechanical seal uses carbon-graphite vs. ceramic mating surfaces rated for 120,000+ cycles and 120°C continuous service. Shaft runout is held to ±0.03 mm (vs. OEM spec of ±0.05 mm), ensuring minimal bearing preload variation over time. All mounting surfaces are CNC-machined to ±0.02 mm flatness tolerance for leak-free gasket seating — especially critical when using the included OEM-spec multi-layer steel (MLS) gasket.
The Real Cost of Wrong Parts
A substandard water pump may cost 15% less upfront but leads to average repair costs of $1,120 — including labor, coolant flush, thermostat replacement, and diagnostic time. Industry data shows 68% of premature V2203 head gasket failures trace back to inconsistent coolant flow from low-spec pumps. When factoring in $3,200/day equipment downtime and potential warranty voidance on engine rebuilds, total ownership cost rises 220% versus a verified replacement water pump for Kubota V2203 engine. Our part meets SAE J249 and ISO 20816-3 vibration standards for rotating machinery.
Why Customers Trust XUNPO
We source exclusively from ISO 9001-certified factories and inspect 100% of incoming raw materials for tensile strength and microstructure compliance. Every Kubota V2203 water pump undergoes pre-shipment performance validation — no batch sampling. We offer a full 12-month warranty covering manufacturing defects, with zero-questions-asked replacement. With 10 years of export experience and shipments to 120+ countries, our technical team verifies part compatibility using OEM service manuals and real machine teardown data — not catalog cross-references alone. Our Guangzhou warehouse holds 10,000+ SKUs in stock, including this water pump, enabling dispatch within 2–5 working days.
Packaging & Shipping
- Individually sealed in moisture-barrier pouch with anti-corrosion VCI paper and custom-cut EPE foam
- In-stock items ship within 2–5 working days after payment confirmation
- Flexible shipping: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), sea freight (25–40 days)
- Real-time tracking number provided upon dispatch, updated until final delivery
- MOQ is 1 piece — designed for urgent field repairs and small-batch maintenance planning
Get Your Kubota V2203 Water Pump Now
Your KX151 or KH-101 won’t wait — every hour without coolant circulation increases risk of irreversible engine damage. Send us your part number, machine model, and required quantity, and we’ll deliver a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk order. Stock is available today — no waiting for production runs or overseas consolidation.
Frequently Asked Questions
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 for the V2203 engine.
Q: How do I confirm if this water pump fits my specific machine?
A: Provide your exact machine model (e.g., KX151 serial prefix) and/or engine number — our technical team will verify fitment using OEM service documentation and respond within 2 hours.
Q: What is the warranty period?
A: 12-month warranty against manufacturing defects. If failure occurs due to material or workmanship, we provide free replacement with return label.
Q: What is the minimum order quantity?
A: MOQ is 1 piece — ideal for emergency repairs, pilot testing, or small fleet maintenance.
Q: How fast can you ship?
A: In-stock items ship within 2–5 working days. Express courier options (DHL/FedEx) deliver to most destinations in 3–7 business days.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time customers may request one sample unit for technical evaluation and fitment validation prior to bulk purchase.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we’ll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
Compatible Brands
Our parts are engineered to meet or exceed OEM specifications. Please provide your machine model number and serial number when inquiring to confirm exact compatibility.
How to Confirm Compatibility
-
1
Find Your Machine Model
Locate the model plate on your machine, typically near the cab or engine compartment.
-
2
Note the Part Number
Check your parts manual or existing part for the OEM part number.
-
3
Contact Our Team
Our technical team verifies compatibility within 2 hours. Send us the details via the inquiry form or WhatsApp.
Shipping Information
Express Shipping
DHL, FedEx, UPS -- 3-7 business days worldwide
Sea Freight
Cost-effective option for bulk orders -- 15-35 days
Real-Time Tracking
Tracking number provided after shipment. 24/7 support available.
Warranty Policy
All parts come with manufacturer warranty. Duration varies by product category.
- Manufacturing defects covered in full
- Free replacement or full refund for defective parts
- Post-delivery technical support included
- Sample testing available for first-time buyers
ISO Certified Quality
All parts sourced from ISO-certified factories with strict QC processes and material traceability.
Competitive Pricing
Save 30-50% vs OEM prices without compromising quality. Transparent pricing with no hidden fees.
Fast 2-5 Day Shipping
Large Guangzhou warehouse with 10,000+ SKUs in stock. Most orders ship within 2-5 business days.
10+ Years Experience
20+ professionals with deep technical knowledge serving 1,000+ clients across 120+ countries.
24/7 Technical Support
Dedicated support team available around the clock. Part verification within 2 hours of inquiry.
Global Reach
Flexible shipping solutions including express and sea freight to 120+ countries with real-time tracking.
Related Products
More parts you might need
Lubrication & Cooling Systems
Thermostat 6680512 for Kubota D1105 & Bobcat 753 – Direct-fit OEM replacement
View DetailsLubrication & Cooling Systems
Water Pump with Gasket 4131A062 for Perkins 1104D-44T Engine Replacement
View DetailsLubrication & Cooling Systems
Double V-Belt Sea Water Pump Pulley for Volvo Penta 4.3L/5.0L/5.7L Engines
View DetailsNeed a Custom Quote?
Our technical team responds within 24 hours. MOQ 1 piece. Ships to 120+ countries from our Guangzhou warehouse.