The 4133L509 thermostat precisely regulates coolant flow, ensuring the engine maintains optimal operating temperature. This not only improves engine efficiency but also effectively extends service life. Constructed of high-strength, heat-resistant plastic and high-quality metal contacts, it is heat-resistant, dust-proof, and shock-resistant, making it suitable for harsh operating environments. Easy to install, it can directly replace an old or faulty thermostat, quickly restoring the performance of your equipment's cooling system.
Product Features
- Precise temperature control: Maintains optimal engine operating temperature, improving efficiency and extending service life.
- High reliability: Made of high-temperature and corrosion-resistant materials, it is dust-proof and shock-resistant, ensuring long-term stable operation.
- Easy installation: Standard bolts or clips secure it, allowing for quick replacement of old parts and reducing maintenance time.
- Durability: Maintains long-term stable performance even under high-frequency use, reducing failure rates.
- Widely Used: Suitable for generator sets, construction machinery, and more
Frequently Asked Questions
What products do you specialize in?
We specialize in excavator engine spare parts including cylinder blocks, cylinder heads, crankshafts, complete engine assemblies, pistons, liners, rings, camshafts, connecting rods, oil pumps, water pumps, valves, and all related engine components.
What if I only know the excavator model but not the part numbers?
You can send us photos of your existing parts, nameplate information, or dimensional specifications for reference and identification.
Do you accept sample orders?
Yes, we can supply samples of parts we have in stock. Customers are responsible for sample costs and shipping fees.
Do you test products before shipment?
All products undergo 100% quality testing before delivery to ensure performance and reliability.
What is your policy for defective items?
Our products are thoroughly tested, but if any issues arise, our professional after-sales team will promptly address and resolve them.
