Product Overview

This high-quality Fuel Injection Pump Head Rotor (7123-340M) from the reputable WX Brand is a critical component for diesel fuel injection systems. Designed for precision replacement and repair, this unit includes the Rotor (344M), Sleeve (343), and Barrel (342A), making it a complete solution for maintaining optimal engine performance. Sourced from a leading manufacturing hub in Shandong, China, we supply this part globally to markets in North America, Europe, Asia-Pacific, the Middle East, and Africa, ensuring fast and reliable delivery to major industrial centers and ports.

Key Features & Benefits

• Precision Engineering: Manufactured to exacting OEM specifications (7123-340M / 7123-340L) for a perfect fit and reliable operation.
• Enhanced Durability: Constructed from high-grade materials to withstand the high pressures and demanding conditions of modern diesel fuel injection systems.
• Complete Kit: Includes the Head Rotor, Rotor 344M, Sleeve 343, and Barrel 342A, simplifying the replacement process and ensuring component compatibility.
• Restored Performance: Directly addresses issues like hard starting, poor fuel economy, and reduced power output by restoring precise fuel metering and pressure.
• Rigorous Testing: Every unit undergoes strict quality control checks to guarantee performance and longevity.

Technical Specifications

OEM Cross-Reference

This Head Rotor is a direct replacement for the following OEM part numbers. Please verify your existing part number for compatibility.

• Primary OE: 7123-340M
• Alternative OE: 7123-340L
• Associated Components: Rotor 344M, Sleeve 343, Barrel 342A

Compatibility

This fuel injection pump head rotor is designed for use in diesel engines with 4.0L and 7.5L displacement, commonly found in heavy-duty commercial vehicles, agricultural machinery, and industrial equipment. It is a standard part for many inline and distributor-type fuel injection pumps. Please confirm fitment with your engine model and pump type before purchasing.

Global Supply & Distribution

• Worldwide Shipping: We offer fast and reliable shipping via EMS, DHL, FEDEX, TNT, and UPS to any location globally.
• Major Markets: Our products are regularly exported to North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy), Asia-Pacific (Japan, South Korea, Australia), the Middle East (UAE, Saudi Arabia), and Africa.
• Fast Delivery: Standard delivery time is 3-7 working days after order confirmation. We maintain stock to ensure rapid dispatch to major ports and industrial centers.
• Trade Compliance: We have extensive export experience and comply with all international trade regulations for smooth customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in a certified facility that adheres to strict quality management processes.
• Warranty: We stand behind our product with a standard 3-6 month warranty against manufacturing defects.
• Testing: Each head rotor assembly is tested for hydraulic pressure, dimensional accuracy, and material integrity before shipment to ensure it meets OEM performance standards.

FAQ

Q1: Is this a complete kit? What is included in the package?
A: Yes, this listing includes the main Head Rotor (7123-340M) along with the Rotor (344M), Sleeve (343), and Barrel (342A). This provides the core components needed for a comprehensive repair of the pump’s hydraulic head.

Q2: How can I confirm this part fits my specific engine or fuel pump?
A: Please verify the part number on your existing head rotor. The primary cross-reference numbers are 7123-340M and 7123-340L. This assembly is typically used in 4.0L and 7.5L diesel engines. If you are unsure, please contact our 24-hour customer service with your engine model and pump serial number for confirmation.

Q3: What is the recommended procedure for installing this head rotor?
A: Installation of a fuel injection pump head rotor is a precision task that should be performed by a qualified diesel technician. It requires specialized tools to ensure correct timing and torque. We recommend cleaning the pump housing thoroughly, lubricating all parts with clean diesel fuel during assembly, and performing a bench test after installation to verify pressure and delivery.

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 .