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312-5620 Diesel Pump Solenoid Valve for Caterpillar 320D Excavator Engine Parts

MOQ: 1pcs Price: Negotiable
Part No.
312-5620
Engine Model
320D
Warranty
6 Months
Place of Origin
Guangdong, China; Guizhou, China
Size
OEM Standard
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Product Details

320d Diesel Pump Solenoid Valve 312-5620 Suitable For Caterpillar Engine Parts

Product Overview

This high-quality diesel pump solenoid valve, identified by the OEM part number 312-5620, is a precision-engineered component designed for use in Caterpillar 320D series excavators and other heavy machinery. As a critical part of the fuel injection system, this solenoid valve controls the flow of diesel fuel to the injection pump, ensuring optimal engine performance, fuel efficiency, and reliable start-up.

Manufactured to meet OEM specifications, this 312-5620 solenoid valve is a direct replacement for worn or failed units. It is commonly used in Caterpillar 320D excavators and is also compatible with a range of other equipment including trucks, forklifts, bulldozers, buses, and loaders that utilize the same engine platform. Please verify your engine model and existing part number to confirm fitment.

Key Features & Benefits

  • Precise Fuel Control: Ensures accurate fuel metering for improved engine response, reduced emissions, and lower fuel consumption.
  • Direct OEM Replacement: Manufactured to the exact dimensions and specifications of the original 312-5620 part, guaranteeing a seamless fit and plug-and-play installation.
  • Durable Construction: Built with high-grade materials and robust internal components to withstand the high pressures and harsh operating conditions of diesel engines.
  • Enhanced Reliability: Reduces the risk of engine stalling, hard starting, or erratic idling by providing consistent solenoid actuation.
  • Cost-Effective Solution: Offers a high-performance aftermarket alternative to expensive dealer parts, providing significant savings without compromising quality.
  • Rigorous Testing: Each unit undergoes a machinery test report and outgoing inspection to ensure flawless operation before shipment.

Technical Specifications

Specification Detail
Part Number 312-5620
Product Type Diesel Pump Solenoid Valve
Engine Model 320D
Engine Type Diesel
Weight (kg) 3
Size OEM Standard
Place of Origin Guangdong, China; Guizhou, China
Warranty 6 Months
Machinery Test Report Provided
Video Outgoing Inspection Provided

OEM Cross-Reference

This solenoid valve is a direct replacement for the following OEM part numbers:

  • Caterpillar: 312-5620

If your original part number matches the above, this unit is the correct replacement. Always cross-reference your existing part for confirmation.

Compatibility

This part is commonly used for the following applications:

  • Engine Models: Caterpillar 320D series engine
  • Vehicle/Equipment Applications: Excavators, Trucks, Forklifts, Bulldozers, Buses, Loaders, and other heavy machinery utilizing the Caterpillar 320D engine platform.

Note: Fitment is inferred based on the original equipment application. Please consult your equipment’s service manual to verify compatibility.

Global Supply & Distribution

We provide worldwide shipping capabilities to meet the demands of international B2B buyers. Our logistics network ensures fast and reliable delivery to major ports and industrial centers across:

  • North America: USA, Canada, Mexico
  • Europe: UK, Germany, France, Netherlands, Poland
  • Asia-Pacific: Australia, Japan, South Korea, Singapore, Indonesia
  • Middle East & Africa: UAE, Saudi Arabia, South Africa, Kenya
  • South America: Brazil, Chile, Argentina, Peru

With extensive export experience, we ensure compliance with international trade standards and offer efficient customs clearance support. Our competitive pricing and bulk order capabilities make us a preferred supplier for workshops, dealerships, and fleet operators globally.

Quality Assurance

We are committed to delivering high-quality products that meet rigorous industry standards. Our quality assurance process includes:

  • Manufacturing Standards: Components are produced in ISO-certified facilities using precision engineering.
  • Testing: Each solenoid valve undergoes a comprehensive machinery test report to verify performance and durability.
  • Inspection: A video outgoing inspection is provided to confirm the part’s condition before dispatch.
  • Warranty: Backed by a 6-month warranty against manufacturing defects, providing you with peace of mind.

FAQ

Q: How can I confirm this 312-5620 solenoid valve will fit my Caterpillar 320D excavator?
A: Please verify your existing part number. If it matches 312-5620, this solenoid valve is a direct replacement. You should also check the engine model (320D) and the physical configuration of the valve for compatibility. If you are unsure, please contact our support team with your machine’s VIN or engine serial number for assistance.

Q: What are the common symptoms of a failing diesel pump solenoid valve?
A: Common signs include difficulty starting the engine (especially when hot), engine stalling shortly after start-up, rough idling, a “check engine” light, or a noticeable loss of power. If you experience these issues, testing or replacing the solenoid valve is a recommended diagnostic step.

Q: What is the installation procedure for this part?
A: Installation should be performed by a qualified diesel mechanic. The process typically involves disconnecting the battery, removing the old solenoid valve from the fuel injection pump, cleaning the mounting surface, and installing the new valve with the correct torque. It is critical to ensure no dirt or debris enters the fuel system during replacement. Always consult the service manual for your specific engine model.

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