Water Pump & Thermostat Kit for Kubota D1005/D1105 – Direct Replacement with Gasket

Product Specifications

Compatible Models

Tired of Overheating Kubota Engines? Get the Correct Water Pump & Thermostat Kit for D1005/D1105 Systems

Every hour a Kubota tractor or excavator sits idle due to cooling system failure costs operators hundreds — sometimes thousands — in lost productivity. Counterfeit water pumps leak within weeks; mismatched thermostats cause erratic temperature spikes and premature head gasket failure. OEM parts mean waiting 3–4 weeks while your B2400D or KX61-2 stays grounded.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This water pump and thermostat kit is manufactured in ISO 9001-certified factories and undergoes full pre-shipment performance testing: pressure checks, flow rate validation, and thermal cycling at 95°C to match original Kubota specifications. Designed for high-duty cycles on construction sites and agricultural fields, it delivers consistent coolant circulation and precise temperature regulation — critical during extended digging or loader operation.

Where This Part Works

This kit supports Kubota equipment operating under continuous load in demanding environments: earthmoving on job sites, material handling at ports, rice paddy operations in Southeast Asia, quarry loading in Africa, and demolition work in urban centers. In these conditions, the water pump must maintain stable flow above 12 L/min at 2,800 rpm, and the thermostat must open fully at 82°C ±2°C — deviations directly risk cylinder head warping or coolant boil-over.

Engineering Details That Matter

The water pump housing is precision-cast aluminum alloy (A380) with T6 heat treatment, ensuring dimensional stability under thermal cycling. The impeller is centrifugally cast iron (ASTM A48 Class 30), providing superior erosion resistance against abrasive coolant contaminants. Sealing uses dual-lip NBR rubber (70 Shore A hardness) with spring-loaded backup, rated for continuous 1.2 bar pressure and 110°C peak exposure. All mounting surfaces are CNC-machined to ≤0.05 mm flatness tolerance, guaranteeing leak-free installation without shimming. The thermostat’s wax pellet actuator complies with JIS D2001 standards and features stainless steel housing for corrosion resistance in humid coastal or saline environments.

The Real Cost of Wrong Parts

A $25 counterfeit thermostat may fail after 300 operating hours — triggering a cascade: overheated engine → warped cylinder head ($1,200 repair) → downtime penalty clauses in rental contracts → missed project deadlines. Genuine-equivalent parts like this kit reduce total cost of ownership (TCO) by extending service intervals to 2,500+ hours and eliminating unplanned shutdowns. Kubota’s own service manual specifies 82°C opening temperature and 16251-73032/15531-73014 as minimum compliance for D1005/D1105 systems — non-compliant kits violate OEM maintenance protocols and void extended warranties.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in moisture-resistant blister packaging, nested in molded anti-static foam, packed in double-walled corrugated cartons
• In-stock items ship within 2–5 working days after payment confirmation
• Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — selected at checkout
• Real-time tracking provided via email and WhatsApp upon dispatch
• MOQ is 1 piece — no minimum order value, ideal for urgent field repairs

Get Your Cooling System Parts Now

Your Kubota D1005-powered B2400D won’t wait — neither should your parts order. Send us your exact model (e.g., “B2400D, serial #B24D123456”), required quantity, and destination country. You’ll receive a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk purchase. Every day delayed is another day of idle equipment and lost revenue.

Frequently Asked Questions