About Us
Welcome to HENWEIT Engine Parts Co., Ltd.
Your Trusted Partner for Engine Parts
Founded in 2002, HENWEIT is an integrated manufacturer and supplier of engine core components, dedicated to delivering premium engine parts to global clients.
Backed by extensive OEM and ODM experience, we adhere to stringent quality standards and trusted by distributors and fleet operators running mainstream engine brands. Our products are used in automobiles, marine vessels, construction machinery and power equipment.
We operate five in-house manufacturing plants, specializing in pistons, piston pins, cylinder liners, cylinder heads and connecting rods. Our full product portfolio also includes piston rings, valves, pumps, camshafts and more, supporting one-stop sourcing for engine components.
Leveraging our global supply chain and mass production capabilities, we export to Europe, North America, East Asia and the Middle East. Consistent quality and responsive service have earned us lasting trust from customers around the globe.
2002
Founded
5
Factories
25,000+
Part Numbers
100,000 m²
Total Area
5 Factories. Full Control.
We own 5 self‑built factories specializing in pistons, piston pins, cylinder liners, cylinder heads and connecting rods. From material selection, process design and precision machining to final inspection, we maintain full control over the entire production chain – every step stays within our own management system.
Backed by a strong technical team, we develop and produce to the highest international standards. 100% dimensional inspection is performed on every part to guarantee exact match with original specifications.
We also place great emphasis on packaging – from inner protection to outer carton reinforcement, every detail is carefully designed to ensure that every product arrives at our customers' doorsteps in perfect condition.
Click on the product images below to explore each factory in detail.
Certifications
IATF 16949
Automotive Quality Management System Certification
Utility Model Patent Certificate
ISO 14001
Environmental Management System Certification
ISO 9001
Quality Management System Certification
ISO 50001
Energy Management System Certification
CCS ISO14001
Environmental Management System Certification
Applications
Our pistons, cylinder liners, piston pins, connecting rods and cylinder heads are widely used in the following five key power sectors, covering 30+ specific equipment types and major engine brands.
Heavy-Duty Trucks
Compatible with mainstream heavy-duty diesel engines from Cummins, Weichai, MAN, Mercedes-Benz, Scania, etc., for long-haul logistics, dump trucks and hazardous chemical transport.
Agricultural Machinery
For high-horsepower tractors and combine harvesters from John Deere, Case IH, New Holland, AGCO, etc., meeting durability under long-term high-load operation.
Construction Machinery
For excavators, loaders and bulldozers from Caterpillar, Komatsu, Volvo, Hitachi, etc., with high impact resistance and toughness.
Marine Engines
Covering inland, coastal and ocean-going vessels, compatible with Wärtsilä, MAN, Cummins, Caterpillar, etc., ensuring corrosion and wear resistance for continuous operation.
Generator Sets
For standby, prime power and gas generator sets from Cummins, Perkins, Volvo Penta, Mitsubishi, etc., ensuring thermal stability and dimensional precision.
All brand names and OE references are for cross-reference only; trademarks belong to their respective owners.
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