Product Details

Product Overview

This is a premium, direct-replacement Yanmar Oil Pump, engineered specifically for the 4TNC88L and 3TN75L series diesel engines. Designed to maintain critical oil pressure and lubrication, this part (OEM #129407-32001) ensures the longevity and reliability of your machinery. We provide global shipping to major industrial hubs, including North America, Europe, Southeast Asia, and the Middle East.

Key Features & Benefits

• Precision Engineering: Manufactured to meet or exceed OEM specifications for a perfect fit and reliable performance.
• Superior Durability: Constructed from high-strength materials to withstand high pressure and continuous operation.
• Optimal Lubrication: Ensures consistent oil flow to critical engine components, reducing friction and wear.
• Direct Replacement: Drop-in ready design for quick and easy installation, minimizing downtime.
• Rigorous Testing: Each unit undergoes pressure and flow testing to guarantee functionality.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM numbers:

• Yanmar: 129407-32001

Compatibility

This oil pump is specifically designed for the following Yanmar engine series:

• Yanmar 4TNC88L (4-cylinder, industrial diesel)
• Yanmar 3TN75L (3-cylinder, compact diesel)

Commonly found in excavators, generators, agricultural tractors, and compact construction equipment.

Global Supply & Distribution

We are a dedicated supplier of Yanmar engine parts with a robust international logistics network. We serve a diverse range of markets including:

• North America: Fast shipping to ports like Los Angeles, Houston, and New York.
• Europe: Efficient delivery to Rotterdam, Hamburg, and major inland hubs.
• Asia-Pacific: Direct supply to Japan, Korea, China, and Southeast Asia.
• Middle East & Africa: Reliable shipping to Dubai, Jeddah, and Durban.

We ensure professional packaging, accurate documentation, and compliance with international trade regulations for hassle-free customs clearance.

Quality Assurance

• Standards: Manufactured in ISO 9001 certified facilities.
• Warranty: Comes with a standard 12-month warranty against manufacturing defects.
• Testing: 100% tested for pressure output and volumetric efficiency before shipment.

FAQ

Q: Is this oil pump a direct replacement for the 129407-32001 on my 4TNC88L engine?
A: Yes, this part is manufactured to the exact OEM specifications of the 129407-32001. It is a direct bolt-on replacement requiring no modifications for the 4TNC88L and 3TN75L engine models.

Q: What are the common signs that the oil pump needs replacement?
A: Typical symptoms include low oil pressure warnings on the dashboard, unusual knocking noises from the engine (indicating lack of lubrication), and fluctuating oil pressure gauge readings. Immediate replacement is critical to prevent severe engine damage.

Q: Do you provide installation instructions or a torque specification?
A: While we recommend consulting the official Yanmar service manual for your specific engine model, the standard procedure involves removing the old pump, cleaning the mounting surface, applying a thin layer of gasket sealant, and torquing the mounting bolts to the manufacturer’s specification (typically 20-25 Nm for this series). Ensure the drive gear aligns correctly with the camshaft gear.

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 .