SPARKLING 5585127 GP-QDR Valve – Reliable Excavator Hydraulic Component

The 558-5127 / 5585127 Valve GP-QDR is a genuine replacement hydraulic control valve designed for CAT D7 Track-Type Tractors. Manufactured to Caterpillar OEM standards and weighing 27KG, this original valve ensures high precision fluid control in demanding construction and earthmoving environments.

As a critical component in the hydraulic control system, the GP-QDR valve regulates the flow and pressure to various functions of the bulldozer, helping to deliver reliable and responsive operational performance. SPARKLING MACHINERY offers this valve as part of our premium product lineup—ideal for equipment owners seeking both authenticity and performance assurance.

   SPARKLING MACHINERY NEW EC300D EC350D PL3005D VOE14602458 Gear Pump is a dedicated power supply component for VOLVO EC300D, EC350D crawler excavators and PL3005D wheel loaders (widely used in construction, mining, and bulk material handling). As a core part of the hydraulic system, it converts engine mechanical energy into hydraulic pressure to supply high-pressure oil for key functions—such as boom lifting, bucket loading, and steering—ensuring stable power output during heavy-duty tasks.
   Meeting VOLVO OEM standards (part no. VOE14602458), it endures 28 MPa working pressure, -30°C to 95°C temperatures, and resists oil contamination and continuous operation wear. Strict testing guarantees seamless compatibility with the three models and long-term reliable hydraulic power supply.

   SPARKLING MACHINERY NEW E320GC E323D E326GC E330GC E336GC E349GC 485-5747 Solenoid Valve is a core hydraulic control component for Caterpillar E320GC, E323D, E326GC, E330GC, E336GC, and E349GC excavators (widely used in construction, mining, and large-scale infrastructure projects). As the "hydraulic flow switch", it regulates the on/off and direction of hydraulic oil flow—controlling key functions like boom lifting, bucket digging, and arm movement during high-intensity tasks, while ensuring responsive and precise operation to avoid hydraulic system misalignment.
   Meeting Caterpillar OEM standards (part no. 485-5747), it endures -30°C to 95°C temperatures, resists hydraulic oil corrosion and vibration, and guarantees leak-free and stable electromagnetic control. Strict testing ensures seamless compatibility with the six Caterpillar models and long-term hydraulic system reliability.

   SPARKLING MACHINERY NEW EC350E EC380E EC380EHR EC460C EC460CHR 14622932 Relief Valve is a dedicated hydraulic pressure protection component for Volvo EC350E, EC380E, EC380EHR, EC460C, and EC460CHR crawler excavators (widely used in heavy construction, mining, and large-scale infrastructure projects). As a core safety part of the hydraulic system, it automatically relieves excess pressure when it exceeds the set threshold—preventing damage to pumps, cylinders, and hoses during high-intensity tasks like heavy lifting, rock breaking, and deep digging.
   Meeting Volvo OEM standards (part no. 14622932), it maintains a precise pressure setting range of 28-32 MPa, endures -30°C to 95°C temperatures, resists hydraulic oil corrosion and vibration, and ensures instant pressure relief response. Strict testing guarantees seamless compatibility with the five Volvo models and long-term hydraulic system protection.