Reliable hydraulic control is the heart of heavy-duty excavation. If your Volvo EC460B is experiencing slow response or pressure instability, the K-9N0A (K9N0A) regulator is the critical component for your K5V200 hydraulic pump. We provide precision-engineered replacements that meet or exceed original equipment standards.
| Item Details | Specifications |
|---|---|
| Model NO. | Volvo EC460B (Equipped with K5V200 Pump) |
| Product Name | Hydraulic Pump Regulator / Control Valve / Lifter |
| Part Number | K-9N0A (Also known as K9N0A) |
| Type | Hydraulic Control System Component |
| Condition | Brand New, OEM Standard Replacement |
| Application | Engine rebuild, hydraulic overhaul, pump maintenance |
| MOQ | 1 Piece |
| Stock Status | In Stock / Fast Dispatch Globally |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express: DHL, Fedex, EMS, UPS or by Air/Sea |
| Packaging | Industrial Export Packing for Maximum Protection |
Choosing the right replacement part prevents costly downtime and secondary damage to the hydraulic pump.
| Core Sourcing Points | Standard Replacement Parts | Low-Quality Market Alternatives |
|---|---|---|
| 1. Material Integrity | High-grade alloy steel with anti-wear coating | Recycled metals prone to rapid deformation |
| 2. Precision Machining | Micron-level tolerance for K5V200 housing | Rough finishing causing internal leakage |
| 3. Response Speed | Instant pressure adjustment for EC460B | Delayed response leading to engine stall |
| 4. Service Life | Designed for 5000+ hours of heavy operation | Fails within months under high pressure |
| 5. Installation Fit | 100% Direct bolt-on, no modification needed | Requires grinding or forcing during assembly |
| 6. Sealing Performance | Compatible with high-temp hydraulic oils | Seal failure leading to external oil mess |
Not sure how this issue affects your equipment?
Our team helps operators:
Identify potential risks during maintenance of the EC460B hydraulic system.
Recommend suitable replacement parts if needed based on pump wear patterns.
Support both inspection advice and parts supply for global fleets.
Early detection of regulator wear can save your K5V200 pump from total failure.
A: This is often caused by a malfunctioning K-9N0A regulator. If the control valve cannot adjust the pump displacement correctly, the flow rate remains low. Inspect the regulator for internal clogs or spring fatigue.
A: Look for abnormal noise near the K5V200 pump, jerky movement in the boom/arm, or the engine stalling when under load. These symptoms indicate the regulator is no longer balancing the torque effectively.
A: Our product features an OEM-standard tri-metal structure and is trusted by repair shops & equipment fleets worldwide for its durability and precise flow control.
We are a leading supplier specializing in engine assemblies and high-precision spare parts. Our inventory covers world-renowned brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. From complete engine units to minute sealing components, we ensure your machinery never stops.
Our core product range includes: Cylinder Liners, Pistons, Piston Rings, Main Bearings, Con-rod Bearings, Thrust Washers, Full Overhaul Gasket Kits, Diesel Injection Pumps, Fuel Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.
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