At Tonkee Machinery Co., Ltd., we understand that the heart of any high-performing excavator lies in its meticulously engineered components. Among these, the "oil pump assembly" plays a critical role, ensuring consistent lubrication and optimal engine health. A well-maintained oil pump directly translates to enhanced operational efficiency, reduced downtime, and extended service life for your valuable heavy machinery.
We specialize in providing a comprehensive range of "aftermarket and replacement oil pump parts" for a wide array of excavator models, including popular series like "Hitachi EX and Zaxis, and Volvo EC and ECR". Our commitment to "quality, reliability, and precision manufacturing" ensures that every part we supply meets or exceeds OEM specifications, offering a cost-effective solution without compromising on performance.
Investing in high-quality oil pump assemblies is not just about replacing a worn part; it's about "proactive maintenance and safeguarding your investment". A faulty oil pump can lead to severe engine damage, resulting in expensive repairs and significant operational disruptions. By choosing Tonkee Machinery, you're opting for peace of mind, knowing that your excavators are equipped with components designed for durability and peak performance.
Our extensive inventory includes various types of oil pump components, from complete assemblies to specific covers and housings, catering to diverse needs and models. We pride ourselves on our ability to source and supply hard-to-find parts, ensuring that you can always find the right fit for your equipment.

To help you quickly identify the parts you need, we've compiled a selection of our frequently requested oil pump assemblies and related components. This table showcases our commitment to supporting a wide range of excavator models with quality aftermarket and replacement parts.
| No. | Part Number | Part Description | Fits Excavator Model | Category |
|---|---|---|---|---|
| 1 | H3773500030 | Pump assy oil | EX8000 | Oil Pump Assembly |
| 2 | H3773590011 | Pump Assy Oil | EX3600-5 | Aftermarket Oil Pump |
| 3 | 1131003120 | Pump asm; oil | ZAXIS650LC-3 | Oil Pump Assembly |
| 4 | 1131003061 | Pump Asm Oil | ZAXIS800 | Oil Pump Replacement Part |
| 5 | 1131002751 | Pump asm oil | ZAXIS800 | Oil Pump Assembly |
| 6 | 1131100221 | Cover asm; oil pump | EX400LC-3 | Oil Pump Assembly Cover |
| 7 | VOE8170263 | Oil pump housing | EC460C | Oil Pump Spare Part |
| 8 | VOE22397140 | Oil Pump | EC330C | Oil Pump Replacement Part |
| 9 | VOE8170261 | Oil pump | EC330C | Oil Pump Part |
| 10 | VOE23170999 | Oil Pump | ECR235E | Oil Pump Replacement Part |
| 11 | 8943629233 | Pump asm oil | ZAXIS80 | Oil Pump Replacement Part |
| 12 | 1131003131 | Pump Asm Oil | ZAXIS220W-3 | Oil Pump Assembly |
| 13 | VOE23435739 | Oil pump GP | EC20E | Oil Pump Assembly |
| 14 | VOE23171014 | Front cover | EC210D | Oil Pump Aftermarket Part |
| 15 | 8970488104 | Body asm; oil pump | EX50UNA | Oil Pump Spare Part |
At Tonkee Machinery, we are dedicated to providing superior "customer service" and "high-quality products". Our team possesses extensive knowledge of excavator parts, enabling us to offer expert advice and ensure you get the exact component you need. We understand the demands of the construction and mining industries and are committed to helping you maintain your equipment's peak performance.
Broad Compatibility: Our parts fit a wide range of excavator makes and models, ensuring you find what you need.
Quality Assurance: All our oil pump assemblies and parts undergo rigorous quality checks to ensure durability and performance.
Cost-Effectiveness: We offer competitive pricing without compromising on the integrity of our products.
Reliable Supply: With a robust supply chain, we aim for quick dispatch and delivery to minimize your downtime.
Trust Tonkee Machinery Co., Ltd. for all your excavator oil pump assembly and part requirements. We are committed to powering your operations with reliable and high-performance components.
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