Caterpillar thermostat plays a key regulatory role in the engine cooling system. It automatically controls the coolant circulation path by sensing the engine temperature, quickly raises the temperature during cold start, and maintains stable circulation after reaching the working temperature, ensuring the engine is always in the optimal operating state, reducing wear and improving fuel efficiency.
The thermostat is made of high-quality metal materials and seals, with excellent high-temperature resistance and sealing performance, capable of working stably in an environment of -40℃ to 120℃, compatible with Caterpillar 312, 325 and other series engines. It has sensitive response and small temperature control error, which can effectively prevent the engine from being too cold or overheated and extend the service life.
As a professional supplier, Ningbo Qiuning Trading Co., Ltd. provides customers with two types of Caterpillar thermostats: original and aftermarket. Original products strictly follow Caterpillar's production standards, fully matching the original components, suitable for customers with strict quality requirements; aftermarket products have passed precise testing, with qualified performance and more advantageous prices, meeting cost-effective needs.
We have a complete supply chain system, which can quickly respond to order demands and provide professional selection suggestions. Customers are welcome to consult and purchase according to actual needs. Contact: WeChat/WhatsApp:+8615888032469;E-mail:allen@perkins-rx.com.

CATERPILLAR excavators Excavator series: 312D, 313D, 315D, 318D, 320C, 320CL, 320D, 320DL, 323D, 323DL, 324D 326D, 325C, 325D, 329D, 329DL, 330D, 330C, 330CL, 330DL, 336D, 336DL, 345C, 345CL, 345D, 345DL, 349D, 349DL, 365C, 365CL, 374D, 374DL, 385C, 3 85CL, 390D, 390DL, 305.5, 306, 307, 307C, 307D, 308, 308C, 308D, 305.5E, 306E, 307E, 308E, 305.5E2, 306E2, 307E2, 308E2, 313D2, 318D2, 320D2 323D2, 326D2, 329D2, 330D2, 336D2, 349D2, 374F, 390F.
Caterpillar engine Series: 4M40, C4.2, C6.4, C6.6, C7, C-9, C13, C15, C18, C10, C11, C12, C16, C-16, C-15, C27, C32, C175; 3066, 3056, 3054, 3116, 3126, 3204, 3304, 3306, 3406, 3408, 3412, 3456, 3504, 3508, 3512, 3516, 3606, 3608, 3612, 3616.
Carter engine model C-9, C-10, C-11, C-12, C-13, C-15, C-16, C-18, C0.5, C0.7, C1.1, C1.5, C1.6, C2.2, C3.3, C3.4, C4.4, C6.4, C6.6, C7, C9, C11, C12 C13, C15, C18, C27, C32, C175, C280
Main models D315, D318, D326, D330, D330, D333, D334, D336, D339, D340, D342, D343, D346, D348, D349, D353, D364, D375, D379, D397, D398, D399 1140,1145 1150,1160,1670,1673,1674,1676,1693, 3003,3011,3013,3014,3024,3034,3044,3054,3056,3064,3066, 3114,3116,3126,3145,3150,3160 3176,3181,3196 3204,3208, 3304,3306 3406,3408,3412,3456 3508,3512,3516,3524.