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Heavy-Duty Main Relief Valves & Hydraulic Pressure Control Spares
Special Offers
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Relief Valve RV50-22A-0-P-50 For HydraForce
Relief Valve RV50-22A-0-P-50 For HydraForce Part Number: RV50-22A-0-P-50 Application: For HydraForce Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures consistent performance under standard conditions. Heavy-duty...Regular price $ 80 -
Pressure Relief Valve 32722GT For Genie S-40/45 S-60/65 S-80/85 Z-60/34 Z-62/40
Pressure Relief Valve 32722GT For Genie S-40/45 S-60/65 S-80/85 Z-60/34 Z-62/40 Part Number: 32722GT Application: For Genie S-40/45 S-60/65 S-80/85 Z-60/34 Z-62/40 Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required...Regular price $ 98 -
EC360B EC380D Excavator Relief Valve VOE14577744 14577744 14561300
EC360B EC380D Excavator Relief Valve VOE14577744 14577744 14561300 Part Number: VOE14577744 14577744 14561300 Application: EC360B EC380D Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures consistent...Regular price $ 129 -
Relief Valve 14577745 For Excavator Hydraulic Relief Valve EC360 EC380 SY365 SY385 SY465
Relief Valve 14577745 For Excavator Hydraulic Relief Valve EC360 EC380 SY365 SY385 SY465 Part Number: 14577745 Application: For Excavator Hydraulic Relief Valve EC360 EC380 SY365 SY385 SY465 Condition: New Aftermarket Parts In Stock Key Features:...Regular price $ 120 -
SA8230-34500 RELIEF VALVE FITS VOLVO EC460 EC460B TRAVEL MOTOR
SA8230-34500 RELIEF VALVE FITS VOLVO EC460 EC460B TRAVEL MOTOR Part Number: SA8230-34500 Application: FITS VOLVO EC460 EC460B TRAVEL MOTOR Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable...Regular price $ 139 -
421-43-27460 4214327460 Relief Valve Fits for Komatsu WA420-3 WA430-5 WA450-3 WA470-3 WA480-5 WA500-3 WA600-3 WA700-3 WA800-3 WA800L-3 WA900-3 WA900L-3 Loader
Product Name: 421-43-27460 4214327460 Relief Valve Part number: 421-43-27460 4214327460 Fits for Komatsu WD500-3 WD600-3 WD900-3 Wheeled dozer WA380-5 WA400-5 WA420-3 WA430-5 WA450-3 WA470-3 WA480-5 WA500-3 WA600-3 WA700-3 WA800-3 WA800L-3 WA900-3 WA900L-3 Loader 1 PCS Relief...Regular price $ 89
If your excavator is losing power under load or your hydraulic system is overheating, a worn replacement relief valve is often the root cause. As the primary safety and pressure regulator, a high-precision main relief valve protects your pumps and cylinders by diverting excess oil back to the tank once the set pressure is reached. BeeSpareParts stocks a wide range of cartridge and bolt-on relief valves built to maintain factory-spec breakout forces in harsh environments.
Hydraulic pressure issues are often linked to other components. If adjusting the valve doesn't restore power, we recommend inspecting your for internal wear, or browsing our to stop internal pressure bypass. Our relief valve assemblies feature hardened steel poppets and precision-wound springs, providing a cost-effective alternative to expensive original dealer parts.
Whether you need a main relief valve for an excavator, a port relief valve for a specific circuit, or a pressure control unit for a loader, our parts are factory-tested for accurate opening and closing pressures and are ready for fast international shipping. Regain your digging power—order your heavy-duty hydraulic valve solution today.
Fits for:
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Engine & Model Series: 4BT, 6BT, 4D95, 6D102, S6K, S4K, J05E, J08E, 4HK1, 6HK1.
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Equipment Models: ZX, PC, SK, EC, EX series excavators, backhoes, and mobile hydraulic systems.