Kubota D902 Engine Thermostat 71°C – 15841-73010 Compatible Replacement

Product Details

Product Overview

This high-quality thermostat is specifically engineered for the Kubota D902 diesel engine, designed to regulate coolant temperature at a precise 71°C (160°F) opening point. As a critical component of the engine’s cooling system, this thermostat ensures optimal operating temperature for enhanced fuel efficiency, reduced emissions, and prolonged engine life. We supply this part globally, serving major markets including North America, Europe, Southeast Asia, and the Middle East, with expedited shipping to industrial centers and ports worldwide.

Key Features & Benefits

• Precise Temperature Control: Opens at 71°C to maintain ideal engine operating temperature, preventing overheating and improving combustion efficiency.
• Durable Construction: Manufactured from high-grade brass and stainless steel with a wax-pellet element for reliable, long-lasting performance in demanding conditions.
• Direct Fit Replacement: Matches OEM specifications for seamless installation on Kubota D902 engines without modifications.
• Enhanced Engine Protection: Ensures rapid warm-up in cold starts and consistent cooling under load, reducing thermal stress on engine components.
• Rigorous Quality Testing: Each unit undergoes functional testing for opening temperature, stroke, and seal integrity to guarantee performance.

Technical Specifications

OEM Cross-Reference

This thermostat is a direct replacement for the following OEM part numbers:

• Kubota: 15841-73010, 15841-73011, 15841-73012
• Alternative: May also cross-reference with other Kubota D902 cooling system components (verify fitment for specific engine variant).

Compatibility

• Engine Models: Kubota D902 (D902-E, D902-B, D902-T, D902-V, D902-E2B, D902-E3B)
• Applications: Kubota B, BX, L, and GR series compact tractors; ZD and ZG zero-turn mowers; RTV utility vehicles; SVL compact track loaders; industrial and generator sets.
• Year Range: Compatible with most Kubota equipment manufactured from the late 1990s through present (verify engine serial number for exact compatibility).

Global Supply & Distribution

• Worldwide Shipping: We ship to over 50 countries via DHL, FedEx, UPS, and sea freight (FOB/CIF terms available).
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, France, UK, Netherlands), Asia-Pacific (Japan, Australia, Thailand, China), Middle East (UAE, Saudi Arabia), and Africa (South Africa, Nigeria).
• Fast Delivery: Stock held in regional warehouses for rapid dispatch to ports like Los Angeles, Rotterdam, Shanghai, and Jebel Ali.
• Export Experience: Over 10 years of international trade, with full customs documentation and compliance with import regulations.

Quality Assurance

• Manufacturing Standards: Produced under ISO 9001:2015 certified facilities with strict quality control processes.
• Certifications: Meets or exceeds OEM performance specifications for temperature accuracy and durability.
• Warranty: 12-month warranty against manufacturing defects from the date of purchase.
• Testing: 100% tested for opening temperature, closing temperature, and stroke before packaging.

FAQ

Q1: How do I verify if this thermostat fits my Kubota D902 engine?
A: Check your engine’s serial number and existing thermostat part number. This thermostat is designed for standard Kubota D902 engines. For non-standard variants (e.g., D902-T turbo), please verify the housing diameter and gasket type. If in doubt, send us a photo of your old part for confirmation.

Q2: What is the correct installation procedure for this thermostat?
A: Drain coolant to below thermostat level. Remove the thermostat housing, replace the old thermostat with the new one (ensure the jiggle pin is oriented correctly, typically at 12 o’clock position), replace the gasket, and torque the housing bolts to manufacturer specifications (typically 12-15 Nm). Refill coolant and bleed air from the system. Test for leaks after engine warm-up.

Q3: What are the signs of a failing thermostat on a Kubota D902 engine?
A: Common symptoms include: engine overheating or running too cold, slow warm-up, fluctuating temperature gauge, coolant leaks near the thermostat housing, and reduced heater performance. If the thermostat sticks open, the engine may not reach optimal operating temperature, increasing fuel consumption and wear. If it sticks closed, immediate overheating can occur. Replace if any of these symptoms appear.