Exploring WEICHAI Engine Parts: A Comprehensive List of Fuel System, Water Pump, and Other Components
Guangzhou Suifang Auto Parts Co., Ltd. is committed to providing high-quality spare parts for a wide range of vehicles. Our extensive inventory includes a broad selection of essential components for **WEICHAI engines**, a brand renowned for its durability and performance in the commercial vehicle industry. This article provides a detailed look at some of the critical WEICHAI engine parts we offer, focusing on components for the fuel system, water pump assembly, and other vital areas.
The reliability and efficiency of a WEICHAI engine are heavily dependent on the quality of its internal components. From the intricate fuel injection system that ensures optimal combustion to the cooling system that prevents overheating, each part plays a crucial role. Using genuine or high-quality aftermarket parts is essential for maintaining the engine's integrity, extending its service life, and ensuring it operates at peak performance.
To help our clients easily identify and source the right parts, we have organized a comprehensive list of some of our most frequently requested WEICHAI engine components. These parts are categorized by their function within the engine, making it simple to find what you need for maintenance or repair.

WEICHAI Engine Parts Catalog
Below is a categorized table of WEICHAI engine parts, including part numbers and descriptions. This list is a testament to our commitment to providing a comprehensive range of products to meet your needs.
| No. | Part Number | Part Description | Manufacturer |
|---|---|---|---|
| Fuel System Components | |||
| 1 | Z20200041 | Fuel injector return pipe assembly | WEICHAI ENGINE |
| 2 | Z20200038 | Pipe fittings | WEICHAI ENGINE |
| 3 | Z20200033 | Fuel injector | WEICHAI ENGINE |
| 4 | Z20200032 | Common rail pipe | WEICHAI ENGINE |
| 5 | Z20200031 | Common rail fuel injection pump assembly | WEICHAI ENGINE |
| 6 | Z20200030 | High pressure oil pipe assembly | WEICHAI ENGINE |
| 7 | Z20200004 | Fuel injection pump gear | WEICHAI ENGINE |
| 8 | Z20200001 | Fuel injector pressure plate | WEICHAI ENGINE |
| 9 | Z20140025 | Fuel inlet pipe assembly | WEICHAI ENGINE |
| 10 | Z20140024 | Fuel inlet pipe assembly | WEICHAI ENGINE |
| 11 | Z20140023 | Fuel Filter | WEICHAI ENGINE |
| Water Pump and Cooling System Components | |||
| 12 | Z20180052 | Coolant connection hose | WEICHAI ENGINE |
| 13 | Z20180051 | Water pump water inlet pipe | WEICHAI ENGINE |
| 14 | Z20180050 | Tube | WEICHAI ENGINE |
| 15 | Z20180048 | Water pump water inlet pipe | WEICHAI ENGINE |
| 16 | Z20180047 | Water pump water inlet pipe | WEICHAI ENGINE |
| 17 | Z20180046 | Water pump | WEICHAI ENGINE |
| 18 | Z20180043 | Water inlet pipe | WEICHAI ENGINE |
| 19 | Z20180040 | Water pump pipe | WEICHAI ENGINE |
| 20 | Z20180034 | Water inlet pipe | WEICHAI ENGINE |
| 21 | Z20180033 | Water pump return pipe | WEICHAI ENGINE |
| 22 | Z20180032 | Water pump pipe | WEICHAI ENGINE |
| 23 | Z20180031 | Water pump | WEICHAI ENGINE |
| 24 | Z20180027 | Water pump pulley | WEICHAI ENGINE |
| 25 | Z20180026 | Water inlet pipe | WEICHAI ENGINE |
| 26 | Z20180024 | Water pump water inlet rubber pipe | WEICHAI ENGINE |
| 27 | Z20180023 | Water inlet pipe welding | WEICHAI ENGINE |
| 28 | Z20180016 | Water inlet pipe | WEICHAI ENGINE |
| 29 | Z20180015 | Coolant connection hose | WEICHAI ENGINE |
| 30 | Z20180014 | Water pump pipe | WEICHAI ENGINE |
| 31 | Z20180013 | Pipe fittings | WEICHAI ENGINE |
| 32 | Z20180009 | Water inlet pipe | WEICHAI ENGINE |
| 33 | Z20180005 | Water pump | WEICHAI ENGINE |
| 34 | Z20180004 | Pipe fittings | WEICHAI ENGINE |
| 35 | Z20180001 | Gaskets | WEICHAI ENGINE |
| Oil Pump, Bracket, and Other Parts | |||
| 36 | Z20190015 | Oil pump | WEICHAI ENGINE |
| 37 | Z20190003 | Oil pump | WEICHAI ENGINE |
| 38 | Z20170005 | Cover | WEICHAI ENGINE |
| 39 | Z20170004 | Gas cover | WEICHAI ENGINE |
| 40 | Z20170003 | Oil pump cover gasket | WEICHAI ENGINE |
| 41 | Z20170002 | Pipe fittings | WEICHAI ENGINE |
| 42 | Z20150012 | Front hanging ring | WEICHAI ENGINE |
| 43 | Z20150011 | Rear hanging ring | WEICHAI ENGINE |
| 44 | Z20150010 | Bracket | WEICHAI ENGINE |
| 45 | Z20200019 | Pad block | WEICHAI ENGINE |
| 46 | Z20200018 | Bracket | WEICHAI ENGINE |
| 47 | Z20200017 | Hollow bolts | WEICHAI ENGINE |
| 48 | Z20200015 | Hexagonal flange bolts | WEICHAI ENGINE |
| 49 | Z20200014 | Gaskets | WEICHAI ENGINE |
| 50 | Z20200006 | External spline | WEICHAI ENGINE |
The Importance of Quality Parts
At Guangzhou Suifang Auto Parts Co., Ltd., we understand that the longevity of your engine depends on the parts you use. A failing fuel injector can lead to poor performance and increased fuel consumption, while a malfunctioning water pump can cause a catastrophic engine failure due to overheating. That's why we source and supply parts that meet or exceed industry standards, ensuring they are a perfect fit and perform reliably.
Our commitment to quality extends to every single component in our catalog. Whether you need a simple **gasket** (Z20200014) or a complex **common rail fuel injection pump assembly** (Z20200031), you can be confident that you are getting a product that has been rigorously tested for quality and durability. This approach not only helps your WEICHAI engine run smoothly but also provides a better return on your investment by reducing the frequency of repairs and downtime.
Conclusion
The list above represents just a fraction of our comprehensive inventory for WEICHAI engines. Our goal is to be your one-stop shop for all your auto parts needs. By providing a wide range of high-quality components and detailed product information, we aim to help you make informed decisions and keep your vehicles running in optimal condition.
