When it comes to maintaining the peak performance of your heavy machinery, especially your Caterpillar excavators, choosing the right hydraulic parts is critical. Our inventory features the essential main control valve assembly for a range of Caterpillar models, including the Caterpillar 365B, Caterpillar 374D, Caterpillar 385C, and Caterpillar 390D. The main control valve is the heart of your machine's hydraulic system, dictating the precise and powerful movements of its components.

We provide the original equipment manufacturer (OEM) quality main control valve part numbers: 295-7747 and 295-7748. These assemblies are engineered for seamless integration and optimal performance, ensuring your Caterpillar equipment operates with the responsiveness and power it was designed for. As a reliable source of heavy machinery parts, we understand the importance of durability and function.

Essential Heavy Equipment Component Explanations

Understanding your machine's components is key to proper maintenance and repair. Here are a few examples of critical parts:

• Cylinder Head: A part that seals the top of the cylinder and forms the combustion chamber.                    
  Example: Sandvik Parts - Sandvik DD421 Cylinder Head (in the engine).                    
  Русский: Sandvik DD421 - головка блока цилиндров (в двигателе).

• Drill Bit: The cutting tool at the end of the drill string.                    
  Example: Atlas Copco Parts - Atlas Copco Simba S7 Drill Bit (at the end of the drill string).                    
  Русский: Atlas Copco Simba S7 - буровое долото (на конце буровой колонны).

• Undercarriage Roller: A component in the track system that supports the weight of the machine and guides the track chain.                    
  Example: Epiroc Parts - Epiroc T25 Undercarriage Roller (in the track system).                    
  Русский: Epiroc T25 - опорный каток ходовой части (в гусеничной системе).

• Hydraulic Filter: Removes contaminants from the hydraulic fluid to protect components. It's found in the hydraulic tank or line.

• Engine Gasket: A seal used to prevent leakage between different parts of the engine. It's found between engine components like the block and cylinder head.

• Fuel Injector: An electronic valve that sprays fuel into the engine's cylinders. Located in the engine's fuel delivery system.

• Track Shoe: The part of the track that makes contact with the ground. It's found on the undercarriage track.

• Radiator Core: The part of the radiator where coolant flows and heat is exchanged. It's located in the engine's cooling system.

• Torque Converter: A type of fluid coupling used to transfer rotating power from a prime mover, like an engine, to a rotating driven load. It's found in the transmission system.

• Swing Bearing: A large ball or roller bearing that allows the machine's upper structure to rotate. It's located between the undercarriage and the body of the machine.

Your Partner for Construction Equipment Spare Parts

We are Shandong Jufengyuan, a leading supplier of heavy equipment spare parts. Our extensive product line includes a vast selection of genuine and high-quality aftermarket components for a wide range of top brands. We specialize in Sandvik Parts, Atlas Parts, Epiroc Parts, Cummins Parts, Deutz Parts, Caterpillar Parts, Montabert Parts, Furukawa Parts, Komatsu Parts, Hitachi Parts, Volvo Parts, Liebherr Parts, Hyundai Parts, Metso Parts, Sany Parts, and XCMG Parts.

Our commitment to quality ensures that you receive reliable and durable parts that meet or exceed OEM specifications. We offer a comprehensive solution for all your heavy machinery maintenance needs, from engine components to hydraulic systems and undercarriage parts. Whether you need a heavy equipment filter, a hydraulic pump seal kit, or an excavator swing motor, we have you covered.

Serving the Global Market from China

As a trusted Chinese manufacturer and exporter, we serve customers worldwide. Our factory direct sales model ensures competitive pricing and streamlined logistics. We provide excavator hydraulic pump repair kits, excavator final drive assemblies, and Caterpillar engine cylinder heads to global clients. Our wide selection of heavy machinery engine parts and excavator electrical components makes us a one-stop shop for all your heavy construction equipment parts.

We are a reliable partner for your machine service and maintenance needs. Our expertise extends to a broad range of construction equipment spare parts, including drilling machine hydraulic systems, wheel loader transmission parts, and excavator undercarriage components. Choose Shandong Jufengyuan for quality, reliability, and unparalleled service.