Products Description

Car AC Fan Motor Rotor
Car AC Fan Motor Rotor

SINOMORE presents high-performance automotive condenser fan motor rotors (also known as car AC fan motor rotors and vehicle cooling fan rotors), the core motor armature assembly and commutator rotor engineered to deliver reliable, efficient power for vehicle cooling systems. Designed for automotive air conditioning (A/C) condenser fans, these rotors are precision-manufactured to meet the rigorous demands of automotive applications, ensuring optimal heat dissipation, stable operation, and long service life for passenger cars, commercial vehicles, and heavy-duty automotive systems.

Each rotor features a premium armature assembly with high-purity copper windings (high-conductivity copper wire), wound with strict precision to maximize magnetic flux and minimize low energy loss. The high-conductivity copper wire ensures efficient power transmission, reducing heat generation during continuous operation and enhancing the overall high efficiency of the condenser fan. The rotor core is constructed from high-grade silicon steel lamination core, which effectively reduce eddy current losses and improve magnetic performance, delivering high torque output and smoother rotation even at high speeds.

Integrated with a precision-machined commutator and a hardened steel shaft, our dynamic balanced rotors guarantee minimal runout, low vibration, anti-vibration design, and exceptional wear resistance. The commutator is engineered for stable electrical contact with brushes, ensuring consistent power delivery and reducing maintenance needs, while the hardened shaft provides robust structural support to withstand the harsh operating conditions of automotive environments, including temperature fluctuations, vibration, and humidity, ensuring long service life and stable operation.

At SINOMORE, we understand that every vehicle model and cooling system has unique requirements. That’s why we offer full custom rotor solutions (tailored motor rotor and non-standard rotor customization) tailored to your specific needs. From custom winding specifications, lamination core dimensions, and commutator designs to custom shaft design, surface treatments, and balancing requirements, we can engineer rotors to match your exact motor specifications, whether for standard automotive condenser fans, heavy-duty truck cooling systems, or specialized electric vehicle (EV) thermal management applications. As a professional OEM rotor manufacturing supplier, we support rapid prototyping, small-batch trial production, and large-scale mass production, with flexible lead times to meet your project timelines.

Our rotors undergo strict quality control throughout the entire manufacturing process, from raw material inspection to dynamic balancing testing, electrical performance testing, and durability validation. Every rotor is tested to ensure it meets international automotive industry standards, delivering reliable performance in extreme conditions. With SINOMORE’s custom rotor solutions, you can achieve optimized cooling efficiency, reduced energy consumption, and extended service life for your automotive condenser fan motors, covering automotive air conditioning, car condenser cooling system, EV thermal management, heavy-duty truck cooling, passenger car AC fan, and commercial vehicle cooling applications.

Partner with SINOMORE for high-quality, custom-engineered automotive condenser fan motor rotors, and elevate the performance and reliability of your vehicle cooling systems.

About Sinomore

Sinomore is focus in the electric motor field, provide PM DC motor, BLDC motor, DC gear motor, universal motor and its CKD & SKD parts, as well as the motor assembly line, rotor assembly line and stator assembly line.

Our team members are full of enthusiasm for electric motor industry, based on more than 20years experience in motor production, we get to know well about this industry and supplying chain in China, we are committed to provide customers with a full package of solution to cost reduction effectively for motor production.


Who We Service

We support the customers who are in the filed of Home Appliances, Automobile, Automation, Power Tools, etc., provide the PMDC motor, BLDC motor, DC gear motor, universal motor, motor assembly line, stator assembly line and rotor assembly line. The motor can be delivered in complete set, SKD or CKD mode.\

With around 20years working experience in the electric motor field, provide professional consultation. With the enthusiasm for the job, response fast to customer, shorten customer’s communication time.


What We Provide

Motor Components:rotot\stator\shaft\commutator\bearing\shaft\magnet\thermal protector\insulation paper\carbon brush\worm gear wheel\coil\housing\fan\fan cover\asynchronous Motor……

Motor:wiper motor\window lift motor\gear motor\dc motor\fan motor\automobile motor……

Motor Assembly Line:We provide both of fully automatic motor assembly line and stand-alone motor assembly line, including stator winding line, armature winding line, rotor assembly line, motor assembly line as well as automatic inspection system, cover all the field of household appliances, automobile, electric vehicle, hub motor, power tool, automation control, industrial equipment,etc.


Ningbo Sinomore Motor Co.,Ltd.
Add: No.288 Xilu Road,Zhenhai District, Ningbo 315201, Zhejiang, China
Tel.No.:0086-574-86596259
Email:[email protected]



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