Product Specifications
| Parameter | Details |
| Part Name | Water Pump with Gasket |
| Part Number (OEM Reference) | 1E051-73036 (water pump), 16871-73430 (gasket) |
| Brand Compatibility | Kubota |
| Machine Model Fitment | Kubota BX1880, BX1880-1, GR2120-2, GR2120B-2, SCL1000, RTV-X900G, RTV-X900R, RTV-X900W, ZD1011, ZD1011-3, ZD1021, ZD1021-3, ZD1011-AU |
| Engine Fitment | Kubota D722, D902 |
| Condition | New Aftermarket |
| Warranty | 6 months against manufacturing defects |
| Packaging | Original retail box with anti-static foam and sealed polybag |
Compatible Models
| Brand | Applicable Models |
| Kubota | BX1880, BX1880-1, GR2120-2, GR2120B-2, SCL1000, RTV-X900G, RTV-X900R, RTV-X900W, ZD1011, ZD1011-3, ZD1021, ZD1021-3, ZD1011-AU |
Tired of Overheating Kubota Engines? Get the Right Water Pump 1E051-73036 for Your D722/D902
Every hour a Kubota utility vehicle or tractor sits idle due to coolant system failure costs operators $280–$650 in lost productivity and labor. Counterfeit water pumps fail within 200 operating hours — causing repeat shutdowns, radiator damage, and unplanned downtime. OEM replacements often take 18–25 days to arrive from Japan or the U.S., halting mowing, hauling, or site prep schedules.
OEM-Equivalent Quality, Ready to Ship
This Kubota water pump 1E051-73036 is manufactured in an ISO 9001-certified factory and undergoes full performance testing before shipment: flow rate verification at 1,800 RPM, pressure seal validation at 1.2 bar, and thermal cycling between -20°C and +105°C. With 10 years of global export experience and 10,000+ SKUs in stock, Guangzhou XUNPO supplies verified cooling components for Kubota D722 and D902 engines used in compact tractors, UTVs, and zero-turn mowers — no guesswork, no delays.
Where This Part Works
This Kubota D902 cooling pump operates under continuous duty in agricultural, municipal, and landscape maintenance applications — including daily mowing on commercial lawns, material transport across construction sites, and equipment deployment in high-humidity coastal ports. It maintains stable coolant circulation at engine speeds up to 3,000 RPM and ambient temperatures exceeding 40°C. Choosing the correct water pump with gasket for Kubota BX1880 ensures consistent thermal regulation, preventing head gasket blowouts and cylinder liner cavitation.
Engineering Details That Matter
The impeller is precision-cast from high-silicon aluminum alloy (A380), delivering 12% higher corrosion resistance than standard ADC12 in ethylene-glycol coolant environments. The shaft seal uses dual ceramic/metal face design rated for 10,000+ hours of operation — critical for RTV-X900G models running 8–12 hours daily. Dimensional tolerances are held to ±0.05 mm on all mounting surfaces and bore IDs, ensuring drop-in fit without machining or shimming. The housing undergoes T6 heat treatment (solutionized at 535°C, aged at 175°C) for optimal tensile strength (≥310 MPa) and fatigue resistance during vibration-heavy utility vehicle use.
The Real Cost of Wrong Parts
A $22 counterfeit pump may save $15 upfront but typically fails before 150 hours — triggering $320 in labor to replace it again, $180 in coolant flush and refill, and $1,200+ in downtime for a single-day landscaping contract. In contrast, this Kubota water pump 1E051-73036 meets ISO 1940-1 G2.5 balance standards and OEM torque specs (22 N·m for pulley bolts), reducing long-term total cost of ownership by 37% over 3 years. Its integrated gasket 16871-73430 eliminates mismatched sealing materials that cause slow coolant weep — a leading cause of early bearing failure.
Why Customers Trust XUNPO
We partner exclusively with ISO 9001-certified factories and inspect every incoming batch of raw castings and machined housings. Each water pump undergoes 100% functional testing: flow volume ≥28 L/min at 2,000 RPM, seal integrity verified at 1.2 bar for 5 minutes, and vibration analysis per ISO 10816-3. All units carry a 6-month warranty covering manufacturing defects — no restocking fees, no return shipping charges. Our team has supported Kubota fleet operators in 32 countries since 2016. With 20+ technical staff trained in Kubota service manuals, we verify part compatibility within 2 hours. Our Guangzhou warehouse holds 1,200+ units of this water pump 1E051-73036 in stock — ready for same-day dispatch.
Packaging & Shipping
- Individually boxed in rigid cardboard with molded EPS foam cradle and moisture-barrier polybag
- In-stock items shipped within 2–5 working days after payment confirmation
- Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — quoted per destination
- Real-time tracking number provided upon dispatch, with proactive delay alerts
- MOQ: 1 piece — supports urgent field repairs and small-fleet maintenance
Get Your Kubota Water Pump Now
Your Kubota D722 or D902 engine shouldn’t wait weeks for cooling system reliability. Send us your part number (1E051-73036), machine model (e.g., RTV-X900G), and required quantity — we’ll email a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk order. Every day delayed is another day your equipment sits idle.
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 an ISO 9001-certified factory to match Kubota’s dimensional, material, and performance specifications — not sourced from Kubota.
Q: How do I confirm if 1E051-73036 fits my machine?
A: Provide your full machine model (e.g., “Kubota RTV-X900G”) and serial prefix (if available) — our technical team verifies compatibility within 2 hours.
Q: What is the warranty period?
A: 6 months from date of delivery, covering defects in materials and workmanship. Replacement or refund issued promptly upon validation.
Q: What is the minimum order quantity?
A: 1 piece — no exceptions. Ideal for emergency repairs, pilot testing, or small workshops.
Q: How fast can I receive this water pump after ordering?
A: In-stock units ship within 2–5 working days via your chosen method — express delivery reaches most North American and European destinations in 3–6 business days.
Q: Can I request a sample before placing a bulk order?
A: Yes. First-time customers may request one sample unit at production cost (shipping prepaid) for physical inspection and fitment verification.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com