Rotor Head 1468374041 129935-51741 For Injector Pump 4TNV98 Excavator Truck

Product Details

Product Overview

This genuine Rotor Head, identified by part numbers 1468374041 and 129935-51741, is a precision component designed for fuel injection pump systems. Commonly referred to as the “Cabezote” or Rotor Head X5, this part is engineered for use in diesel engines powering excavators, trucks, and other heavy-duty vehicles. It is specifically matched to the 4TNV98 engine model, a popular platform known for its reliability in compact construction and industrial machinery.

As a critical element of the injection pump assembly, the rotor head controls fuel metering and distribution to the engine cylinders. This genuine component ensures proper fuel pressure, timing, and atomization, which are essential for efficient combustion and optimal engine performance. Whether you are servicing an excavator on a job site or maintaining a commercial truck fleet, this rotor head provides the precision required for demanding applications.

Please verify your existing part number and engine model to confirm compatibility before purchase. The fitment is based on the original manufacturer specifications for the 4TNV98 engine and compatible injection pump systems.

Key Features & Benefits

• Genuine OEM Quality: Sourced from Japan, this rotor head meets original manufacturer specifications, ensuring a precise fit and reliable operation for your injection pump.
• Long-Lasting Durability: Manufactured with high-grade materials and precision engineering, this component is designed for extended service life in harsh operating conditions, reducing downtime and replacement frequency.
• Exact Part Identification: Clearly marked with part numbers 1468374041 and 129935-51741, eliminating guesswork and ensuring you receive the correct component for your pump rebuild or repair.
• Enhanced Engine Performance: A properly functioning rotor head ensures accurate fuel delivery, leading to improved fuel efficiency, reduced emissions, and smoother engine operation across excavator, truck, and car applications.
• Direct Replacement: Designed as a drop-in replacement for the original rotor head in compatible injection pumps, simplifying the installation process for mechanics and technicians.
• Technical Support Available: After-warranty video technical support is provided to assist with installation guidance and troubleshooting, helping you complete the job correctly.
• Low Minimum Order Quantity: With an MOQ of just 1 piece, this part is accessible for individual repairs, small workshops, and large fleet maintenance programs alike.

Technical Specifications

OEM Cross-Reference

This rotor head is a direct cross-reference for the following OEM part numbers. Please match your existing part to ensure compatibility:

• Primary Part Number: 1468374041
• Alternate Part Number: 129935-51741
• OEM Reference: 129935-51740 (if applicable)
• Common Cross: 146837-4040 (verify fitment)

Note: Always verify the physical dimensions and mounting configuration of your existing rotor head against this listing before purchase. Cross-reference numbers are provided as a guide and may vary by pump manufacturer.

Compatibility

This rotor head is specifically designed for use with the following engine and equipment types:

• Engine Model: 4TNV98 (commonly used in Yanmar and other industrial diesel engines)
• Vehicle/Equipment Applications:
  • Excavators (compact and mid-size models)
  • Trucks (light to medium-duty commercial vehicles)
  • Cars (diesel passenger vehicles with compatible injection systems)

This component is commonly used for injection pump service and rebuilds. Fitment is inferred based on the 4TNV98 engine platform and original equipment specifications. We recommend consulting your equipment manual or a qualified diesel technician to confirm compatibility with your specific make and model.

Global Supply & Distribution

We offer worldwide shipping capabilities to meet the demands of international B2B buyers. Our distribution network ensures fast and reliable delivery to major ports and industrial centers across North America, Europe, Asia-Pacific, the Middle East, and South America. Whether you are located in a major industrial hub like Houston, Rotterdam, Shanghai, or Dubai, we can facilitate timely shipping to minimize your equipment downtime.

With extensive export experience, we comply with international trade regulations and can provide the necessary documentation for customs clearance. Our logistics team coordinates with trusted carriers to offer competitive freight options, including express air and sea freight, tailored to your order volume and urgency.

Quality Assurance

This genuine rotor head is manufactured to stringent quality standards, originating from Japan—a country renowned for precision engineering in diesel components. Each part undergoes rigorous testing to ensure it meets OEM specifications for material hardness, dimensional accuracy, and hydraulic performance.

The product is backed by a 3-month warranty against manufacturing defects. In the event of any issues, our after-warranty service includes video technical support to assist with diagnosis and installation. We stand behind the quality of our parts to provide you with confidence in your repair or rebuild project.

FAQ

Q: How can I confirm this rotor head will fit my injection pump?
A: Verify your existing rotor head part number against the numbers listed: 1468374041 or 129935-51741. Additionally, confirm that your engine model is the 4TNV98 or a compatible derivative. If you are unsure, please contact our support team with your pump model and engine serial number for assistance. We recommend professional inspection of the rotor head dimensions before installation.

Q: What is the typical installation process for a rotor head?
A: Installation should be performed by a qualified diesel technician. The process generally involves disassembling the injection pump, carefully removing the old rotor head, cleaning all mating surfaces, and installing the new rotor head with the correct torque specifications. Proper timing and alignment are critical. Our video technical support can provide visual guidance, but we strongly advise consulting the pump manufacturer’s service manual for detailed procedures.

Q: What maintenance is required after installing a new rotor head?
A: After installation, the injection pump should be tested on a calibration bench to ensure correct fuel delivery and timing. Regular maintenance includes using clean, high-quality diesel fuel and replacing fuel filters at recommended intervals. Contaminated fuel is the leading cause of rotor head wear and failure. Monitor engine performance for any signs of rough running, smoke, or power loss, which may indicate a need for further pump service.