Essential WEICHAI Engine Components: EGR Valves, Oil Coolers, and Thermostats
At Guangzhou Suifang Auto Parts Co., Ltd., we are dedicated to providing high-quality replacement parts for a wide range of commercial vehicles. We understand the critical role that reliable components play in the longevity and performance of your engine. That's why we're proud to offer a comprehensive selection of essential parts specifically designed for "WEICHAI Engines", focusing on key systems like the Exhaust Gas Recirculation (EGR) system, engine oil cooling, and temperature regulation.
The "EGR system" is vital for reducing harmful emissions by recirculating a portion of the engine's exhaust gases back into the engine cylinders. Components such as the "EGR valve" and "EGR cooler" are crucial for this process, ensuring efficient combustion and compliance with environmental standards. A well-functioning EGR system not only helps the environment but also contributes to better fuel efficiency and engine health.
Maintaining optimal engine temperature is paramount, and our range of "engine oil coolers" and associated pipes ensures that your WEICHAI engine's oil stays at the correct operating temperature, preventing overheating and premature wear. These components are designed for robust performance, even under demanding conditions, safeguarding your engine's internal components.
Furthermore, effective "thermostat assemblies" are indispensable for precise temperature control within the engine's cooling system. By regulating coolant flow, thermostats help the engine reach its ideal operating temperature quickly and maintain it consistently, which is crucial for efficiency and performance. Our selection includes various water pipes and connectors to ensure a complete and secure cooling system.
We meticulously source and verify all our parts to meet or exceed OEM specifications, ensuring that every component you receive from us delivers reliable performance and a perfect fit. Explore our categorized list of WEICHAI engine parts below:

WEICHAI Engine Parts Inventory
| No. | Part Number | Part Name | Engine Type |
|---|---|---|---|
| EGR System Components | |||
| 1. | Z20280007 | EGR valve gasket | WEICHAI ENGINE |
| 2. | Z20280006 | EGR cooler outlet pipe | WEICHAI ENGINE |
| 3. | Z20280005 | EGR cooler water inlet pipe | WEICHAI ENGINE |
| 4. | Z20280004 | Air intake throttle valve | WEICHAI ENGINE |
| 5. | Z20280003 | EGR air intake pipe assembly | WEICHAI ENGINE |
| 6. | Z20280002 | EGR cooler | WEICHAI ENGINE |
| 7. | Z20280001 | EGR valve | WEICHAI ENGINE |
| Engine Oil Cooler & Related Parts | |||
| 8. | Z20270031 | Engine oil cooler | WEICHAI ENGINE |
| 9. | Z20270030 | O-shaped rubber sealing ring | WEICHAI ENGINE |
| 10. | Z20270028 | Engine oil cooler | WEICHAI ENGINE |
| 11. | Z20270027 | Engine oil cooler | WEICHAI ENGINE |
| 12. | Z20270023 | Engine oil cooler | WEICHAI ENGINE |
| 13. | Z20270020 | Engine oil cooler return pipe | WEICHAI ENGINE |
| 14. | Z20270016 | Tube clamp | WEICHAI ENGINE |
| 15. | Z20270015 | Engine oil cooler | WEICHAI ENGINE |
| 16. | Z20270014 | Engine oil cooler water pipe | WEICHAI ENGINE |
| 17. | Z20270013 | Engine oil cooler water pipe | WEICHAI ENGINE |
| 18. | Z20270012 | Engine oil cooler | WEICHAI ENGINE |
| 19. | Z20270011 | Water pipe joint | WEICHAI ENGINE |
| 20. | Z20270010 | Oil pressure sensor | WEICHAI ENGINE |
| 21. | Z20270007 | Engine oil cooler water inlet pipe | WEICHAI ENGINE |
| 22. | Z20270006 | Engine oil cooler return pipe | WEICHAI ENGINE |
| 23. | Z20270005 | Engine oil cooler return pipe | WEICHAI ENGINE |
| 24. | Z20270003 | Bracket | WEICHAI ENGINE |
| 25. | Z20270002 | Engine oil cooler return pipe | WEICHAI ENGINE |
| 26. | Z20270001 | Water pipe | WEICHAI ENGINE |
| Cooling System & Thermostat Components | |||
| 27. | Z20260046 | Connector body | WEICHAI ENGINE |
| 28. | Z20260043 | Water pipe bracket | WEICHAI ENGINE |
| 29. | Z20260042 | Water pipe | WEICHAI ENGINE |
| 30. | Z20260039 | Water pipe | WEICHAI ENGINE |
| 31. | Z20260033 | Thermoster assembly | WEICHAI ENGINE |
| 32. | Z20260031 | Coolant connection hose | WEICHAI ENGINE |
| 33. | Z20260026 | Thermometer body | WEICHAI ENGINE |
| 34. | Z20260022 | Thermostat cover | WEICHAI ENGINE |
| 35. | Z20260021 | Bolt | WEICHAI ENGINE |
| 36. | Z20260020 | Water outlet pipe studs | WEICHAI ENGINE |
| 37. | Z20260019 | Warm air pipe | WEICHAI ENGINE |
| 38. | Z20260018 | Thermoster assembly | WEICHAI ENGINE |
| 39. | Z20260016 | Thermostat cover | WEICHAI ENGINE |
| 40. | Z20260014 | Water pipe | WEICHAI ENGINE |
| 41. | Z20260013 | Degassing connector bracket | WEICHAI ENGINE |
| 42. | Z20260012 | Thermostat cover connector assembly | WEICHAI ENGINE |
| 43. | Z20260011 | Water pipe | WEICHAI ENGINE |
| 44. | Z20260010 | Thermostat cover | WEICHAI ENGINE |
| 45. | Z20260009 | Thermometer body | WEICHAI ENGINE |
| 46. | Z20260007 | Pipe fittings | WEICHAI ENGINE |
| 47. | Z20260006 | Thermostat assembly | WEICHAI ENGINE |
| 48. | Z20260005 | Thermoster assembly | WEICHAI ENGINE |
| 49. | Z20260003 | Thermostat | WEICHAI ENGINE |
| 50. | Z20260001 | Water outlet pipe | WEICHAI ENGINE |
Whether you're performing routine maintenance or extensive repairs, choosing the right parts is crucial. Our inventory of "WEICHAI engine components" ensures that you have access to the exact parts you need to keep your vehicles running smoothly and efficiently. Trust Guangzhou Suifang Auto Parts Co., Ltd. for all your WEICHAI engine spare parts requirements.
For inquiries or to place an order, please visit our website or contact us directly.
