Global supplier of automotive powertrain components — serving the international aftermarket across 30+ countries.
Engines, transmissions, differentials, and A/C compressors — the core of our powertrain product range for passenger and commercial vehicles.
Complete engine assemblies & bare blocks
Manual & automatic gearbox parts
TCU, valve bodies & solenoids
Crown & pinion, carrier assemblies
Automotive air conditioning units
Zhejiang, China · 8,000㎡ facility · 50+ employees
Shaoxing Tosen Auto Part Co., Ltd. was founded in 2017 in Shaoxing, Zhejiang, China. We supply engines, manual and automatic transmissions, differentials, and A/C compressors to the international automotive aftermarket across 30+ countries.
Whether you are replacing a failed unit or sourcing parts for resale, we help you identify the right product by model, part number, and application.
Complete engine assemblies and long blocks matched to your vehicle model and application.
ExploreManual and automatic transmissions, plus internal components for repair and rebuild.
ExploreIdentify the correct part by OE number, model, or application with our technical team.
ExploreWhat makes TOSEN a reliable sourcing partner for international buyers — from product coverage to after-sales support.
Engines, transmissions and related powertrain parts for multiple vehicle applications.
Support for product identification by model, part number and application.
Inspection and verification processes before shipment.
Stable sourcing and fulfillment for international aftermarket customers.
Product and application support throughout the purchasing process.
Responsive communication and support after delivery.
ISO 9001 quality management, in-house inspection, and a disciplined fulfillment process — the foundation of every order we ship.
Looking for an engine, gearbox or powertrain part? Send us your model, OE number or application, and our team will help identify the right product.
A 4x2 gearbox drives one rear axle via one propeller shaft; a 4x4 unit must connect a transfer case and carry a front output. Why the two differ and how to order the correct Hiace gearbox.
Read a Japanese truck axle tag correctly: what 9:41 means, the tooth math, fallbacks for a missing tag, and the checks that prove fitment before you order.
Synchronizer ring, cone and sliding sleeve explained: the role of each part in one shift, the wear points found at teardown, and what a synchronizer parts enquiry must carry.
