Essential WEICHAI Engine Parts: A Guide to Fuel, Exhaust, and Oil System Components

Posted on August 6, 2025

At Guangzhou Suifang Auto Parts Co., Ltd., we are committed to providing top-quality spare parts for a wide range of vehicles, with a special focus on WEICHAI engines. A well-maintained engine is the heart of any vehicle, and using the right parts is crucial for its longevity, efficiency, and reliability. This guide delves into some of the most critical components for WEICHAI engines, including fuel filters, exhaust pipes, and oil pan assemblies. Understanding the function and importance of these parts can help you ensure your engine runs smoothly and performs at its best.

Fuel, exhaust, and oil systems are fundamental to an engine's operation. The fuel system delivers clean fuel for combustion, the exhaust system safely vents gases, and the oil system lubricates and cools the engine's internal components. Each part, from a simple gasket to a complex assembly, plays a vital role. Using genuine or high-quality aftermarket parts is essential to prevent costly breakdowns and maintain optimal performance.

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Categorized WEICHAI Engine Components and Part Numbers

To make it easier to find the right part, we have categorized a selection of our WEICHAI engine components. Below is a detailed table of fuel filters, exhaust parts, and oil system components, along with their respective part numbers.

No.Part NumberDescriptionApplication
Fuel System Components
1Z20140022Fuel FilterWEICHAI ENGINE
2Z20140021Fuel filter bracketWEICHAI ENGINE
3Z20140019Fuel filter bracketWEICHAI ENGINE
4Z20140017Hollow boltsWEICHAI ENGINE
5Z20140015Fuel Coarse FilterWEICHAI ENGINE
6Z20140014Fuel FilterWEICHAI ENGINE
7Z20140013Fuel filter assemblyWEICHAI ENGINE
8Z20140011Fuel filter assemblyWEICHAI ENGINE
9Z20140010Fuel Coarse FilterWEICHAI ENGINE
10Z20140009Fuel FilterWEICHAI ENGINE
11Z20140004Fuel filter elementWEICHAI ENGINE
12Z20140003Fuel filter assemblyWEICHAI ENGINE
Exhaust System Components
13Z20120028Exhaust pipeWEICHAI ENGINE
14Z20120024Exhaust pipeWEICHAI ENGINE
15Z20120016Hexagonal flange nutWEICHAI ENGINE
16Z20120015Exhaust pipe liningWEICHAI ENGINE
17Z20120013Exhaust pipe gasketWEICHAI ENGINE
18Z20120004Exhaust pipe bend assemblyWEICHAI ENGINE
Oil System Components
19Z20110087Oil panWEICHAI ENGINE
20Z20110083Oil panWEICHAI ENGINE
21Z20110082Oil pan sealing gasketWEICHAI ENGINE
22Z20110080Oil pan frameWEICHAI ENGINE
23Z20110071Oil panWEICHAI ENGINE
24Z20110063Oil panWEICHAI ENGINE
25Z20110058Oil panWEICHAI ENGINE
26Z20110056Oil panWEICHAI ENGINE
27Z20110047Oil panWEICHAI ENGINE
28Z20110045Hexagonal magnetic screw plugWEICHAI ENGINE
29Z20110043Hexagonal screw plugWEICHAI ENGINE
30Z20110042Oil temperature sensor conversion connectorWEICHAI ENGINE
31Z20110036Oil pan sealing gasketWEICHAI ENGINE
32Z20110035GasketsWEICHAI ENGINE
33Z20110031Filter Set ComponentWEICHAI ENGINE
34Z20110026Oil panWEICHAI ENGINE
35Z20110025Engine oil filterWEICHAI ENGINE
36Z20110024CoverWEICHAI ENGINE
37Z20110023Oil panWEICHAI ENGINE
38Z20110022Oil rulerWEICHAI ENGINE
39Z20110021Dipstick tubeWEICHAI ENGINE
40Z20110020Engine oil filterWEICHAI ENGINE
41Z20110019Oil panWEICHAI ENGINE
42Z20110017Oil panWEICHAI ENGINE
43Z20110013Speed sensor bracketWEICHAI ENGINE
44Z20110012Oil panWEICHAI ENGINE
45Z20110011Oil pan frameWEICHAI ENGINE
46Z20110008Filter Set ComponentWEICHAI ENGINE
47Z20110006Engine oil filterWEICHAI ENGINE

The Importance of Quality Parts

As shown in the table, many of the components are critical for the proper functioning of the engine. A faulty fuel filter (Z20140022, Z20140014) can lead to poor engine performance, reduced fuel efficiency, and even damage to fuel injectors. Similarly, a leaking oil pan (Z20110087, Z20110063) or a clogged engine oil filter (Z20110025) can cause severe engine damage due to insufficient lubrication. Choosing a high-quality exhaust pipe (Z20120028) and its related gaskets ensures that exhaust gases are properly managed, which is essential for both engine performance and environmental regulations.

We understand the nuances of WEICHAI engines and stock a comprehensive range of components designed to meet or exceed OEM specifications. Our commitment to quality ensures that every part you purchase from us, whether it's an oil pan sealing gasket (Z20110082) or a fuel filter assembly (Z20140013), will provide a perfect fit and reliable performance. By using the right components, you can extend the lifespan of your engine, improve its efficiency, and reduce the total cost of ownership.

Guangzhou Suifang Auto Parts Co., Ltd. is your trusted partner for all your WEICHAI engine part needs. We are dedicated to delivering not only superior products but also the knowledge and support you need to make the best choices for your vehicle.