Founded in 1998, Wenzhou BIT Automobile Parts Co., Ltd. has evolved from a specialized workshop into a global leader in automotive braking systems. With a core focus on precision and safety, we specialize in high-demand components like the 45018S5AJ02 brake caliper, alongside a vast catalog of over 10,000 part numbers.
Our journey is marked by three decades of innovation: from domestic supply in the 90s to establishing a dedicated caliper factory in 2008, and finally launching our international division in 2018. We are more than just a manufacturer; we are a partner in the global automotive supply chain, ensuring that every vehicle equipped with our parts stops safely and reliably.
The 45018S5AJ02 model is engineered for specific passenger car applications requiring high thermal stability. Our CNC milling processes ensure tolerances are within micrometers, providing perfect fitment for OEM replacements.
In the current industrial landscape, there is a rising demand for reliable aftermarket calipers in North America and Europe. The 45018S5AJ02 serves as a critical component in the maintenance cycle of high-circulation vehicle models.
Every caliper undergoes high-pressure leak testing and cycle testing to simulate 10 years of intensive driving. We use premium alloy castings to prevent structural fatigue under extreme heat.
Once the raw caliper body is formed, it undergoes precision machining on Computer Numerical Control (CNC) machines. This critical stage involves:
The industry is rapidly shifting toward EPB systems. At BIT, we have already integrated EPB actuators and calipers into our production lines, staying ahead of the modernization trend in the 45018S5AJ02 series and beyond.
Global regulations are tightening around the use of heavy metals in brake components. Our manufacturing process focuses on sustainable materials that meet future environmental standards in Europe and North America.
Procurement teams today prioritize suppliers who control the entire manufacturing chain. By owning our factory in Wenzhou, we mitigate supply chain risks, offering stable lead times and consistent quality for bulk orders.
We leverage Wenzhou's mature automotive industrial cluster to source high-quality raw materials at competitive prices, passing the savings directly to our wholesale partners.
Beyond the standard 45018S5AJ02, we offer bespoke development for repair kits and caliper brackets, adapting products to specific regional road conditions and climate needs.
Located near major ports, we facilitate rapid shipping to Russia, South America, and the Middle East, ensuring your inventory is always stocked.
Our products, including the 45018S5AJ02, are designed to perform in diverse environments across the globe:
Specialized rubber seals in our repair kits maintain elasticity at -40°C, preventing fluid leaks and ensuring consistent braking pressure during harsh winters.
Our calipers feature superior heat dissipation designs, preventing brake fade in stop-and-go traffic under high ambient temperatures.
Engineered for low noise and vibration, providing a premium driving experience for passenger vehicles in dense urban environments.
Electrical Parking Brake Caliper with actuators
For European, American, Japanese and Korean cars
50+ reference numbers available
60+ reference numbers
For most Japanese and Korean cars
Serving over 30 countries worldwide