Product Overview

This is a brand new, high-quality solenoid valve designed as a direct replacement for Caterpillar C6.4 diesel engines, specifically used in the 320D excavator series. As a leading supplier of heavy-duty engine components, we provide reliable parts with global shipping to major industrial markets including North America, Europe, the Middle East, and Asia-Pacific, ensuring timely delivery to ports and distribution centers worldwide.

Key Features & Benefits

• 100% Professionally Tested: Each unit undergoes rigorous quality control and functional testing to ensure it meets or exceeds OEM performance specifications.
• Precision Engineering: Manufactured to exact tolerances for a perfect fit and reliable operation within the fuel system, ensuring optimal engine performance and fuel efficiency.
• Enhanced Durability: Built with high-grade materials to withstand the demanding conditions of construction and mining equipment, offering excellent resistance to vibration and thermal stress.
• Direct OEM Replacement: Designed as a plug-and-play component, eliminating the need for modifications and reducing equipment downtime during repair or maintenance.
• Global Compliance: Sourced and exported in full compliance with international trade regulations, suitable for B2B distribution networks.

Technical Specifications

OEM Cross-Reference

This solenoid valve directly replaces the following OEM part numbers:

• Caterpillar: 312-5620, 3125620
• Related Assembly Number: 326-4635, 3264635 (Fuel Pump Assembly)

Compatibility

This part is specifically engineered for the following application:

• Machine Model: Caterpillar 320D Excavator
• Engine Model: Caterpillar C6.4 Diesel Engine
• System: Fuel Pump System

Note: Always verify your machine’s serial number and existing part number before purchase to ensure correct fitment.

Global Supply & Distribution

We specialize in the international supply of heavy machinery parts. Our logistics network ensures efficient delivery to key industrial regions:

• Worldwide Shipping: We ship via major carriers including DHL, FedEx, TNT, and UPS to over 100 countries.
• Major Markets Served: We have extensive experience supplying to North America (USA, Canada), the European Union, the United Kingdom, Australia, the Middle East (UAE, Saudi Arabia), and Southeast Asia.
• Fast Delivery: Expedited shipping options are available to major ports and logistics hubs to minimize downtime for your operations.
• Export Expertise: All documentation, including commercial invoices and certificates, is prepared to ensure smooth customs clearance worldwide.

Quality Assurance

Our commitment to quality ensures you receive a reliable and durable component:

• Manufacturing Standards: Produced in ISO-certified facilities using precision tooling and high-quality materials.
• Comprehensive Warranty: Backed by a 6-month warranty against manufacturing defects.
• Testing Protocol: Every solenoid valve is subjected to electrical resistance checks, pressure testing, and functional cycle tests to validate performance before shipment.

FAQ

Q1: Is this solenoid valve a direct fit for my Caterpillar 320D excavator?
A1: Yes, this part (312-5620) is engineered as a direct OEM replacement for the fuel pump solenoid on Caterpillar 320D models equipped with the C6.4 engine. We recommend comparing the number on your failed unit to our part number for confirmation.

Q2: What is the difference between part number 312-5620 and 326-4635?
A2: Part number 312-5620 refers specifically to the solenoid valve component. The number 326-4635 typically refers to a larger fuel pump assembly which includes this solenoid valve. This part replaces the solenoid within that assembly.

Q3: Do you provide technical support for installation?
A3> While we supply the component, installation should be performed by a qualified technician familiar with Caterpillar fuel systems. We can provide general guidance and specification sheets. Always refer to the official Caterpillar service manual for detailed torque specs and procedures to ensure proper installation and avoid damage.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .