Main hydraulic pressure dropping or slow cycle times on your E330B E345B? A worn A8VO160 pump lets the rotating group bypass internally, starving every circuit. RITO rebuilds this main pump to OEM clearances so your machine's dig force and speed come back from the first hour.
Item NO.:
A8VO160Order(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In StockA8VO160 Excavator Main Hydraulic Pump for E330B E345B. Precision-machined barrel bores and lapped valve face restore volumetric efficiency, while the factory-calibrated regulator maintains stable pressure-flow output across the full working range.
| Part Number | A8VO160 |
|---|---|
| Part Name | Excavator Hydraulic Main Pump (Piston Pump) |
| Compatible Brand | E330B E345B Main Pump |
| Applicable Models | E330B E345B Excavator |
| Application | Main hydraulic pump for E330B E345B excavator all-function operation |
| Material | High-strength alloy steel |
| Product Color | Metallic industrial finish |
| Working Temperature | -25°C~+60°C |
| Key Function | Generates main hydraulic flow and pressure for E330B E345B work circuits |
| Condition | 100% New Aftermarket OEM Quality |
| Packaging | Wooden Case Reinforced Carton Neutral Packing Customized Box |
The A8VO160 cylinder block, pistons and shoes are machined to OEM clearance, restoring volumetric efficiency on the E330B E345B.
Barrel face and valve plate are surface-matched to Ra 0.2, eliminating break-in leakage on the E330B E345B main circuit.
The regulator is pre-set to the E330B E345B engine power curve, preventing overload during combined boom, swing and travel demand.
A8VO160 port configuration and flange are confirmed for the E330B E345B, providing direct bolt-on installation.
FAQ
Q: What symptoms indicate the A8VO160 pump needs replacing on a E330B E345B?
A: Main circuit pressure falls below specification, all functions slow simultaneously, case-drain flow exceeds the OEM limit, and oil temperature rises faster than normal.
Q: Does the A8VO160 pump include a matched valve plate?
A: Yes, this A8VO160 assembly includes a new matched valve plate and rotating group, so the sealing interface is correct from installation.
Q: What other models does the A8VO160 pump fit?
A: Cross-reference keywords A8VO160 / HydraulicMain Pump / E330B Hydraulic Pump / Excavator Main Pump / Variable Displacement Pump / Piston Pump Unit apply. Confirm your machine serial number with our team to verify compatibility with other models.
Q: How to confirm the A8VO160 is the correct pump for my E330B E345B?
A: Match the pump model plate reading A8VO160 and confirm the machine is E330B E345B. Provide pump and machine serial numbers to our team for exact confirmation.
Q: What quality options are available?
A: We provide original, OEM and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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