Skip to product information
Usually ships in 2–4 business days.
1A021-73012 Thermostat For Kubota L2800 L3240 L3400 L3540 L4240 L4300 L5030
$28.29
Sale price
$28.29
Regular price
Available to Order
This Thermostat is a high-quality aftermarket replacement part compatible with Kubota L2800, L3240, L3400, L3540, L4240, L4300, L5030 and matches OEM Part# 1A021-73012.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
This engine thermostat maintains precise temperature control for optimal tractor performance. Engineered to regulate coolant flow effectively, it prevents engine overheating and protects internal components from thermal stress during heavy-duty use.
Key Features & Performance
- Temperature Control: Maintains consistent heat levels to ensure efficient combustion and power output.
- Rugged Design: Built with high-grade alloys to resist corrosion and handle extreme thermal cycling.
- Exact Fit: Designed to match original equipment specifications for a reliable and leak-free installation.
- Engine Protection: Helps prevent catastrophic engine failure by regulating cooling system pressure and heat.
Fitment & Compatibility
- Kubota Models: L2800, L3240, L3400, L3540, L4240, L4300, L5030
Technical Specifications
- Part Number(s): 1A021-73012
- Component Type: Thermostat
- Material: Heavy-duty metallic construction
Frequently Asked Questions
- Q: When should this part be replaced? A: Replacement is typically necessary when the engine begins to overheat, runs unusually cold, or shows erratic temperature readings.
- Q: Is this part compatible with all L-series tractors? A: This part is designed specifically for the models listed, including the L2800 and L4300; verify the OEM part number before installation.
Compatibility may vary by serial number. Verify fitment before purchase.