Product Overview

This is a genuine OEM Rotor Head for the Yanmar 4TNV98 diesel engine, part number 129935-51741. Engineered in Japan for superior performance and reliability, this critical component is essential for maintaining optimal engine function in demanding industrial and automotive applications. We specialize in global B2B supply, offering direct shipping to major markets including North America, Europe, Asia-Pacific, and the Middle East to support your operations and maintenance schedules.

Key Features & Benefits

• Genuine OEM Quality: Manufactured to exact Yanmar specifications, ensuring perfect fit, function, and longevity.
• Enhanced Durability: Constructed from high-grade materials for exceptional resistance to wear, heat, and stress in heavy-duty cycles.
• Precision Engineering: Guarantees balanced rotation and smooth operation, contributing to overall engine efficiency and reduced vibration.
• Reliable Performance: Restores engine power output and fuel efficiency by ensuring precise fuel injection timing and valve operation.
• Global Supply Chain: Sourced directly for reliable inventory and fast international delivery to keep your equipment running.

Technical Specifications

OEM Cross-Reference

This genuine Yanmar rotor head is supplied under the primary part number 129935-51741. It is a direct replacement for any assembly requiring this specific component. Always verify the part number stamped on your original part for confirmation.

Compatibility

This rotor head is specifically designed for the Yanmar 4TNV98 diesel engine. This engine model is commonly found in a wide range of industrial and mobile equipment, including:

• Excavators and Construction Machinery
• Heavy-Duty Trucks and Commercial Vehicles
• Generator Sets and Industrial Power Units
• Agricultural and Forestry Equipment

Global Supply & Distribution

We are a trusted partner for international B2B buyers, offering seamless logistics to support your business worldwide. Our supply network ensures efficient delivery to major industrial hubs and ports across North America (USA, Canada, Mexico), the European Union, the United Kingdom, Southeast Asia, Australia, the Middle East (UAE, Saudi Arabia), and Africa. We handle all export documentation, customs compliance, and shipping logistics to provide a reliable and professional procurement experience with competitive lead times.

Quality Assurance

• Manufacturing Standard: Produced in Japan adhering to strict Yanmar OEM quality control protocols.
• Warranty: Backed by a 3-month warranty from the date of delivery.
• Post-Warranty Support: Comprehensive after-sales support including video technical assistance for installation guidance.
• Verification: Each part is inspected to ensure it meets original performance and dimensional specifications.

FAQ

Q1: How can I confirm this part is compatible with my specific Yanmar 4TNV98 engine?
A1: The primary method is to match the part number. Locate the rotor head on your engine and verify that the stamped part number is 129935-51741. You can also cross-reference your engine’s serial number and model designation (4TNV98) for confirmation.

Q2: What is included in the “Video technical support” mentioned for after-warranty service?
A2: This support provides access to detailed installation and troubleshooting guides. If you encounter issues during fitting or operation after the warranty period, we can supply technical videos and documentation to assist your mechanics with proper installation procedures and diagnostic steps.

Q3: What are the key signs that indicate a need to replace the rotor head?
A3: Common symptoms of a failing rotor head include irregular engine timing, difficult starting, loss of engine power, unusual knocking noises from the engine head, and increased fuel consumption. If diagnostic checks point to timing or valve train issues, inspecting the rotor head is recommended.

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 .