
The Engine maintenance four-piece set is an essential repair accessory for SHACMAN X3000/F3000/X5000/X6000 heavy trucks. It ensures normal engine operation and extends the overall service life of the vehicle.
XING MU LOU LAN supplies OEM-grade engine maintenance four-piece sets. Featuring stable quality, precise installation and reliable sealing, our products can be used as direct replacement parts for original systems of SHACMAN and Sinotruk.
With more than 20 years of experience, we focus on complete heavy trucks and spare parts for SHACMAN, Sinotruk, FAW Jiefang, Auman and Beiben. Our products are exported to Europe, North America, Central and South America, the Middle East, Africa and most regions of Asia. We look forward to becoming your long-term partner in China.
Products Description
Our SHACMAN F3000 Engine maintenance four-piece set and SHACMAN X3000 Engine maintenance four-piece set, including WEICHAI Engine cylinder piston parts and WEICHAI WP12 Piston pin piston ring parts (OEM 1003890320), solve the industry pain points of poor durability and short service life of cylinder and piston components.
Manufactured with high-strength materials, this full set delivers excellent wear resistance. It effectively reduces frequent part replacements and cuts your vehicle maintenance costs.
Fully compliant with OEM standards, the OEM 1003890320 assembly features perfect fit and stable performance. It keeps the engine running smoothly and reliably for long-haul operations.

Attribute (Parameter)
| Product | Engine maintenance four-piece set | OEM | 1003890320 |
| Country of origin | Xi ' an, China | weight | 38KG |
| apply | Engine piston power assembly | Compatible Vehicle model | SHACMAN X3000X5000 |
| Package Size | 49CM*34CM*42CM | Material | Iron aluminium (Al) |
| MOQ | 2PCS | Package | Carton/neutral packaging |
| Warranty | 6 months | Delivery time | 15-40 days |
| quality | high quality | use | For replacement and maintenance. |
Why Choose Us

Our SHACMAN F3000 & X3000 Engine maintenance four-piece set covers WEICHAI cylinder piston parts and WP12 piston pin & piston ring parts (OEM 1003890320), effectively improving durability and solving the problem of short service life.

All products follow strict OEM standards with precise matching and stable quality, lowering your maintenance frequency and operational costs.

We have over 20 years of experience in heavy truck parts, with global sales channels and sufficient inventory to be your trustworthy long-term partner.
FAQ
Q1: What models and components does this engine maintenance four-piece set fit?
A1: It is suitable for SHACMAN F3000 and X3000, including WEICHAI engine cylinder piston parts and WEICHAI WP12 piston pin and piston ring parts, with OEM number 1003890320.
Q2: Can it resolve the issues of poor durability and short service life of piston and cylinder parts?
A2: Yes. Made of high-quality raw materials, the set boasts great wear resistance and effectively prolongs the service life of engine core components.
Q3: Is this product a direct OEM replacement part?
A3: Definitely. It is produced in line with OEM specifications, featuring precise fitting and reliable performance for direct installation.
Q4: What practical advantages can this product bring?
A4: It ensures stable engine operation, reduces frequent repairs and replacements, and helps you save long-term maintenance costs.
Q5: What is your company's strength as a supplier?
A5: We have over 20 years of experience in heavy truck spare parts. We offer stable supply and reliable after-sales service for customers worldwide.




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