SPARKLING Caterpillar Bulldozer Hydraulic Parts – Reliable & Precise

The CA1878636 Main Control Valve Assembly (also referenced as 187-8636 or 1878636) is an essential hydraulic component designed specifically for the Caterpillar D9R track-type tractor. This unit is responsible for the precise distribution and regulation of hydraulic flow, enabling smooth and accurate control of blade, ripper, and other operational functions.

Key Features:

• Direct-fit replacement for CAT D9R – no modification required

• OEM-standard internal machining ensures optimal hydraulic flow and durability

• High-pressure resistance for demanding dozer applications

• Fully tested before delivery, ensuring performance and zero leakage

Whether you're maintaining a mining fleet or servicing a heavy-duty bulldozer, this main control valve assy ensures efficient operation and extended equipment lifespan.

   SPARKLING MACHINERY NEW VOE14726298 Printed Circuit Board (PCB) is a premium China-made electrical control component designed for compatible excavators and heavy construction machinery. As the "nerve center" of the machinery’s electrical system, it integrates and connects key electronic components—such as microchips, sensors, and connectors—to enable seamless data transmission and signal processing. This supports critical machinery functions, including engine control, hydraulic system regulation, cabin electronics management, and fault diagnosis, ensuring synchronized, reliable operation in construction, mining, and earthmoving tasks.

   Engineered to original equipment standards, it maintains stable electrical performance even under harsh working conditions, such as intense vibration, temperature fluctuations (-30°C to 85°C), and exposure to dust or moisture. With optimized circuit layout for minimal signal interference and a rugged protective coating, it resists environmental wear and electrical failures. Backed by strict quality verification, it guarantees consistent functionality to support uninterrupted machinery operation and reduce downtime caused by electrical system malfunctions.

   SPARKLING MACHINERY NEW EC135B EC140B EC140D EC160B EC180B 14513267 Relief Valve is a dedicated, high-precision hydraulic safety component exclusively engineered for VOLVO EC135B, EC140B, EC140D, EC160B, and EC180B crawler excavators—versatile mid-sized equipment widely used in construction, municipal engineering, and light mining projects. As the core safety barrier of the excavator’s hydraulic system, it precisely limits maximum hydraulic pressure, preventing overload damage to critical components (hydraulic pumps, cylinders, pipelines) during tasks like trench digging, material loading, and small-scale rock breaking. This function is vital for maintaining system stability, avoiding costly unplanned downtime, and ensuring consistent operational efficiency of VOLVO excavators.

   Engineered to meet VOLVO’s original equipment (OEM) standards and marked with the genuine part number 14513267, the Relief Valve withstands harsh working conditions: high operating pressure (up to 30 MPa), extreme temperature fluctuations (-25°C to 105°C), and continuous vibration from heavy-duty use. It resists oil contamination and mechanical wear, providing long-lasting pressure regulation reliability for the five VOLVO excavator models. Backed by strict performance verification, it guarantees seamless compatibility and safe operation for daily tasks.

The Caterpillar Solenoid Valve (part nos. 249‑3125 / 2493124) is a rugged, 12 V DC coil-controlled valve assembly designed for hydraulic systems on Cat backhoe loaders—including models 446D, 424D, 420D/F, 442D, 430D/F, 428D, 416D, and others. Built to OEM standards, this valve features a 2-pin DT connector and 7/8‑14 thread, offering precise electro-hydraulic control essential for steering, transmission, or loader functions. It delivers reliable performance under demanding conditions and is available in both genuine and high-quality aftermarket versions.