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.