Product Overview

This high-precision Fuel Injection Pump Head Rotor, specifically the X5 variant, is a critical component for Yanmar industrial diesel engines. Manufactured to OE specifications, this part ensures optimal fuel delivery and combustion efficiency. With our global supply chain based in Shandong, China, we serve a wide array of markets including North America, Europe, Southeast Asia, and the Middle East, providing reliable shipping to industrial hubs worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured from High-Speed Steel for superior wear resistance and longevity in high-pressure fuel systems.
• Direct Replacement: Designed as a perfect fit for the Yanmar 4TNV94 and 4TNV98 engine series, minimizing downtime during installation.
• Enhanced Performance: Ensures consistent fuel metering and injection timing, leading to improved engine power output and fuel economy.
• Rigorous Testing: 100% professionally tested to guarantee flawless operation and reliability under demanding working conditions.
• Reliable Supply: Fast delivery within 3-7 days and flexible payment options (T/T, Western Union, PayPal) for hassle-free international transactions.

Technical Specifications

OEM Cross-Reference

• Primary OE Number: 129935-51741
• Alternate OE Number: 129935-51740
• Corresponding Pump Number: 729906-51332

Compatibility

This head rotor is specifically designed for the following Yanmar engine models:

• Yanmar 4TNV94
• Yanmar 4TNV94L
• Yanmar 4TNE94
• Yanmar 4TNV98
• Yanmar 4TNE98

Application: Commonly used in industrial machinery, agricultural tractors, construction equipment, and generator sets powered by these Yanmar diesel engines.

Global Supply & Distribution

We specialize in the global distribution of high-quality diesel engine parts. Our logistics network enables efficient shipping to major ports and industrial centers worldwide, including:

• North America: Los Angeles, Houston, New York, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Singapore, Shanghai, Tokyo, Sydney
• Middle East & Africa: Dubai, Jeddah, Durban

With a standard delivery time of 3-7 days after payment, we ensure your operations remain uninterrupted. We have extensive export experience and comply with international trade standards to facilitate smooth customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities, adhering to strict quality control measures.
• Testing: Every unit undergoes a 100% professional test to verify pressure, flow, and dimensional accuracy before shipment.
• Warranty: All products come with a standard 1-year warranty against manufacturing defects.

FAQ

Q1: Is this head rotor a direct replacement for my existing Yanmar 4TNV94 pump?
Yes, this part (129935-51741) is a direct replacement for the original head rotor found in the Yanmar 4TNV94 and 4TNE94 injection pumps. It is designed to match the factory specifications for a seamless fit.

Q2: What is the recommended installation procedure?
Installation should be performed by a qualified diesel technician. The pump must be removed from the engine, disassembled in a clean environment, and the old rotor replaced with this new unit. Proper torque specifications and timing alignment are critical for correct operation.

Q3: How can I ensure the longevity of this fuel injection component?
To maximize service life, always use clean, high-quality diesel fuel and replace the fuel filter at regular intervals. Contaminants in the fuel are the primary cause of head rotor wear. Adhering to the engine manufacturer’s maintenance schedule will ensure optimal performance and durability.

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 .