Excavator Spare Parts 123900-32001 Oil Pump for Yanmar 4TNV106 Diesel Engine
The 123900-32001 oil pump is a core component of the diesel engine lubrication system. It draws engine oil from the oil pan to all lubrication points in the engine, providing continuous and stable oil pressure and lubrication protection to prevent friction, wear, and overheating. This oil pump is compact, highly durable, and ensures excellent lubrication performance of the Yanmar 4TNV106 series diesel engine under high-temperature and high-load conditions.
| Part Number |
123900-32001 |
| Type |
Oil Pump |
| Function |
Delivers engine oil, maintains lubricating oil pressure |
| Main Material |
High-strength cast steel + precision gears |
| Application System |
Engine lubrication system |
| Applicable Engine |
Yanmar 4TNV106 series |
Replaceable Part Numbers:YM123900-32000, 12390032000, YM123900-32001, 12390032001
Material and Durability
High-strength cast steel body: Good pressure resistance and high fatigue strength
Precision gear transmission structure: Improves output stability and service life
Surface anti-corrosion treatment: Improves corrosion resistance and adapts to harsh working conditions
4TNV106 Diesel Engine Oil Pump Close-up

123900-32001 Oil Pump Assembly Diagram

123900-32001 Oil Pump Gear Structure Details

123900-32001 Oil Pump Inlet Close-up



Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Oil Pump compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: Can you provide cross-reference information for OEM part numbers?
A4: Yes, we support original part interchange. Please provide the original part number, and we will verify the replacement part accordingly.
Q5: What should I do if there is a problem with the product?
A5: Our products undergo professional testing and are of very stable quality. If you do find any problems, please contact us. We have a professional after-sales team to help you solve the problem.
Why Choose Us?
• Over 20 years of experience specializing in construction machinery, engines, and parts – with stable experience supplying mainstream brands and models.
• Extensive experience in model matching enables us to provide customers with accurate parts selection, reducing procurement risks.
• A long-term, stable, and reliable supply system ensures reliable product sourcing and meets continuous procurement needs.
• For product information or quotations, our professional team will provide you with detailed answers immediately upon receiving your request.