336E Excavator Main Control Valve 378-9359 Hydraulic Distributor

• 5,000+ hydraulic models in stock - including obsolete & hard-to-find assemblies.
• 30+ technical specialists verify every part before dispatch - no guesswork, no wrong parts.
• Original New · OEM · Remanufactured - three tiers to matchyour conditions & budget.
• Every hydraulic assembly undergoes load testing before dispatch from our 5,000 m2 factory.
• OEM & ODM customization - by drawing or sample, private label & custom packaging available.

• Ready inventory of over 500 assembly types, providing access to more than 6,000 different parts
• Core products include hydraulic pumps, control valves, travel, and swing assemblies
• Specialization in large mining excavator components and hard-to-find items
• 4,000-square-meter factory equipped for professional manufacturing, precision assembly, and rigorous testing
• Integrated supply chain providing cost-effective, convenient one-stop solutions
  

  
  

About IRON CAVALRY

Guangzhou Tieqi Engineering Machinery Co., Ltd. ("IRON CAVALRY") is strategically located in Guangzhou's Huangpu District, approximately one hour from Baiyun International Airport. With nearly 15 years of specialized experience in engineering machinery hydraulics, we have established ourselves as industry leaders in heavy equipment components.

Our Exhibition

We usually talk about real machines, real replacement problems and the details that need to be checked before a part is shipped. Part numbers, machine fitment, product configuration and delivery are often the most important things for our customers.Meeting customers face to face helps us understand what they really need and recommend a more suitable replacement part.

Packaging & Delivery

For large items, we use sturdy plywood crates secured with metal fasteners. Products are carefully cushioned with bubble wrap and secured with wooden braces. External crate reinforcement includes high-strength PET plastic strapping and waterproof black film to ensure safe transit and delivery.

How to Prevent Premature Control Valve Failure

• Keep Hydraulic Oil Clean: Replace hydraulic oil and filters according to the machine's maintenance schedule.

• Prevent Contamination: Clean hydraulic lines and connections before installation or repair.

• Check for Oil Leaks: Inspect valve connections, seals, and nearby hoses regularly.

• Monitor Operating Temperature: Investigate abnormal hydraulic oil overheating promptly.

• Watch for Unusual Movements: If the boom, arm, or bucket moves slowly or unevenly, check the hydraulic system.

• Avoid Unapproved Adjustments: Do not change pressure settings without the correct service specifications.

FAQ Section