705-22-40380 Hydraulic Gear Pump Komatsu WA470-3 Loader Replacement Parts
The 705-22-40380 hydraulic gear pump is a direct replacement auxiliary/pilot pump for Komatsu wheel loaders. It delivers stable oil pressure to support smooth hydraulic system operation. Made of high-grade aluminum alloy housing and precision steel gears, it ensures low leakage and long service life. Compatible with Komatsu WA450-3, WA470-3, WA470-5 models, this aftermarket pump meets OEM specifications for reliable performance under harsh construction conditions.

| Attribute | Specification |
|---|---|
| Part Number | 705-22-40380 |
| Cross Reference | 7052240380, 705-22-40380-AFT, 705-22-40370 |
| Product Name | Auxiliary Hydraulic Gear Pump |
| Type | External Fixed Displacement Gear Pump |
| Material | Housing: High-Grade Aluminum Alloy; Gears: Precision Steel; Seals: NBR/PTFE Composite |
| Application | Komatsu Wheel Loader Hydraulic System |
| Compatible Equipment | Komatsu WA450-3, WA470-3, WA470-5, WA480-3 |
| Compatible Engines | Komatsu S6D125 |
| Cross Part Number | Notes |
|---|---|
| 705-22-40380 | OEM Standard Part Number |
| 7052240380 | Simplified Part Number (Aftermarket Listing) |
| 705-22-40370 | Direct Fit Variant for WA470-3 |
| 705-22-40310 | Auxiliary Pump for WA450-3/WA470-3 |
| 705-22-40380-AFT | Aftermarket Replacement Version |
If you can find the number you need, please contact our sales manager to check and confirm it!

- ISO 9001 certified.
- 100% pressure, flow, and leakage tested before shipment to ensure quality.
- Comply with construction machinery hydraulic component industry standards.
- 10+ years of professional experience in manufacturing excavator hydraulic parts, mature technology, stable quality.
- Sufficient inventory, ready stock for popular models, fast delivery.
- Support OEM/ODM customization, develop special models per customer requirements.
- Complete after-sales team, provide technical consultation, installation guidance, troubleshooting.
- Free replacement or repair for non-human quality issues within warranty period.
- Provide technical support for installation, commissioning, and operation.
- Lifetime supply of wearing parts and maintenance services at cost price.

ISSUES YOU MAY BE CONCERNED ABOUT
HERE IS THE ANSWER!
Q1:How long is the warranted time?
A:For natural broken, 3 months. Guarantee genuine parts.
Q2: What's payment you can accept?
A:T/T, WECHAT,PAYPAL.
Q3: What's package? Can you give me the package according my requirement?
A:Yes, Original packing or Neutral packing with wooden box or carton.
Q4: How about the lead time?
A: (1) ln stock: 1-7 days.Always in 72 hours.
(2) Out of stock: lt's according to your quantity, and we have cooperated with factory.
We will let you know when we quote.
Q5: What's the shipping way you can offer?
A: (1) Big order: By sea or by air.(It can reduce the costs).
(2) Small order: DHL,TNT,UPS,FEDEX,EMS,ARAMEX.
Q6: What's the terms of the transaction?
A:EXW,FCA,FAS,FOB, C&F,CIF,CPT,CIP,DAF,DES,DDP.
Q7: Do you accept small order?
A:Yes, small order can accept.
Q8: What's brand you can offer in your company?
A: (1)OEM,100% GENUINE PARTS, COPY(Made in China).
(2)GENUINE PARTS.
Please read the remarks before ordering:
- If you place order directly without any communication with us,please remark the Part Number exactly you need if possible!
- Normally would be sent in neutral package, if need orignal package please contact us before placing orders.
- All the are blank new without program, if you want program please send us your Engine Serial Number and old code we will confirm whether the program available or not.
Thank you for attention!
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.