Product Overview

This premium wiring harness is engineered as a direct replacement for the Caterpillar 320D2 excavator, ensuring reliable electrical connectivity and system performance. We specialize in the global supply of high-quality engine and machinery components, serving major industrial markets across North America, Europe, Asia-Pacific, and the Middle East with efficient logistics and export compliance.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and seamless integration with the 320D2 electrical system.
• Superior Durability: Constructed with high-grade, heat-resistant wiring and robust connectors to withstand harsh operating environments, vibration, and temperature fluctuations.
• Enhanced Reliability: Ensures stable signal transmission and power delivery to critical components, minimizing downtime and electrical faults.
• Corrosion Resistance: Terminals and connectors are treated to resist corrosion, ensuring long-term performance and connectivity.
• Plug-and-Play Installation: Designed for straightforward replacement, reducing machine downtime and labor costs during maintenance.

Technical Specifications

OEM Cross-Reference

This wiring harness is a direct replacement for the following OEM part numbers:

• 472-7726 (Primary Reference)
• 176-5869
• 472-7732
• 431-9251

Always verify part numbers against your machine’s serial number or existing harness for confirmation.

Compatibility

This part is specifically designed for the Caterpillar 320D2 hydraulic excavator. It is compatible with various production years of this model. For precise application, please confirm your machine’s serial number or consult your equipment documentation.

Global Supply & Distribution

We are a trusted partner in the global heavy equipment parts network. Our capabilities include:

• Worldwide Shipping: Reliable export to all major industrial regions including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands), Asia-Pacific (Australia, Japan, Singapore), and the Middle East (UAE, Saudi Arabia).
• Efficient Logistics: Fast delivery to key ports and logistical hubs such as Rotterdam, Los Angeles, Singapore, and Jebel Ali.
• Trade Compliance: All shipments are prepared with accurate commercial invoices, packing lists, and harmonized system (HS) codes for smooth customs clearance.
• B2B Focus: We support wholesale, distributor, and large fleet requirements with flexible MOQs and Incoterms.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities adhering to strict quality control protocols.
• Rigorous Testing: Each harness undergoes electrical continuity testing, connector fit checks, and visual inspection to ensure flawless performance.
• Warranty: Backed by a standard warranty against manufacturing defects. Contact us for specific warranty terms applicable to your region.
• Documentation: Available upon request for quality certifications and compliance documentation.

FAQ

Q1: How do I confirm this wiring harness will fit my specific Caterpillar 320D2 excavator?
A1: The most reliable method is to cross-reference the part number on your existing, faulty harness with the numbers listed in the “OEM Cross-Reference” section above (472-7726, 176-5869, etc.). Additionally, providing your machine’s serial number allows us to verify compatibility definitively.

Q2: Is this an OEM genuine part or an aftermarket equivalent?
A2: This is a high-quality aftermarket replacement part. It is manufactured to meet or exceed the original specifications for fit, form, and function, offering a cost-effective and reliable alternative to OEM parts without compromising on performance.

Q3: What are the key installation considerations for this wiring harness?
A3: Prior to installation, disconnect the machine’s battery. Route the new harness exactly along the path of the original, using all existing clips and brackets to avoid chafing. Ensure all connectors are fully seated and locked. After installation, perform a system check before returning the machine to full operation.

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 .