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Heavy-Duty Main Relief Valves & Hydraulic Pressure Control Spares
Special Offers
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Relief Valve VOE11802877 for Volvo EC15C EC17C EC18C EC35D ECR40D BL60 BL61 BL70
Relief Valve VOE11802877 for Volvo EC15C EC17C EC18C EC35D ECR40D BL60 BL61 BL70 Part Number: VOE11802877 Application: for Volvo EC15C EC17C EC18C EC35D ECR40D BL60 BL61 BL70 Condition: New Aftermarket Parts In Stock Key Features:...Regular price $ 90 -
Pressure Relief Valve 129842A2 119644A3 for New Holland Tractor Loader U80 LV80
Pressure Relief Valve 129842A2 119644A3 for New Holland Tractor Loader U80 LV80 Part Number: 129842A2 119644A3 Application: for New Holland Tractor Loader U80 LV80 Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No...Regular price $ 98 -
Pressure Relief Valve 3963808 3947799 for Dodge Cummins ISLE 5.9L Engine Bosch
Pressure Relief Valve 3963808 3947799 for Dodge Cummins ISLE 5.9L Engine Bosch Part Number: 3963808 3947799 Application: for Dodge Cummins ISLE 5.9L Engine Bosch Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No...Regular price $ 55 -
Track Adjuster Relief Valve & Grease Check Fitting Set 2S-5925 2S-5926 Compatible for Caterpillar 311B 312 313B 315 320B 322C 325D 330B
Track Adjuster Relief Valve & Grease Check Fitting Set 2S-5925 2S-5926 Compatible for Caterpillar 311B 312 313B 315 320B 322C 325D 330B Part Number: 2S-5925 2S-5926 Application: Compatible for Caterpillar 311B 312 313B 315 320B 322C...Regular price $ 36 -
Hydraulic Relief Valve for Hydraforce RV08-22A-0-N-7 RV0822A0N7
Hydraulic Relief Valve for Hydraforce RV08-22A-0-N-7 RV0822A0N7 Part Number: RV08-22A-0-N-7 RV0822A0N7 Application: RV08-22A-0-N-7 RV0822A0N7 Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures consistent performance under...Regular price $ 80 -
Relief Valve 119-5186 1195186 for Caterpillar CAT Excavator 311B 311C 312B 314C
Relief Valve 119-5186 1195186 for Caterpillar CAT Excavator 311B 311C 312B 314C Part Number: 119-5186 1195186 Application: for Caterpillar CAT Excavator 311B 311C 312B 314C Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement:...Regular price $ 108
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.