
Product Overview
This is a high-performance oil delivery pump, part number 129100-52100, engineered as a direct replacement for Yanmar diesel engines. Designed for durability and precise oil pressure delivery, this component is essential for maintaining optimal engine lubrication and longevity. We specialize in supplying professional-grade engine parts to a global B2B clientele, including distributors, workshops, and heavy machinery operators across North America, Europe, the Middle East, and Asia-Pacific.
Key Features & Benefits
- Precision Engineered: Manufactured to exact OEM specifications and dimensions (OEM Size) for a perfect fit and seamless installation.
- Enhanced Durability: Constructed from high-grade materials to withstand the rigorous demands of industrial and vehicular diesel engines.
- Reliable Performance: Ensures consistent oil pressure and flow, critical for protecting engine bearings, turbochargers, and other vital components.
- Cost-Effective Solution: Offers the performance of genuine parts at a competitive price, providing excellent value for fleet maintenance and repair operations.
- Comprehensive Compatibility: Directly replaces the OEM pump across multiple Yanmar engine series, simplifying inventory for parts suppliers.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 129100-52100 |
| Type | Oil Delivery Pump |
| Compatible Engine Models | 3TNV76, 2TNV70, 3TNE84, 4TNE84, 4D84 |
| Engine Type | Diesel |
| Weight | 1 kg |
| Warranty | 6 Months |
| Quality Documentation | Machinery Test Report, Video Outgoing-Inspection Provided |
| Place of Origin | Guizhou, China |
OEM Cross-Reference
This oil pump is a direct replacement for the following OEM part number:
- Yanmar: 129100-52100
It is designed to be interchangeable with the original pump installed on the specified engine models.
Compatibility
This oil delivery pump is compatible with the following Yanmar engine models:
- Engine Series: 3TNV76, 2TNV70, 3TNE84, 4TNE84, 4D84
Typical Vehicle & Machinery Applications:
- Excavators
- Trucks
- Forklifts
- Bulldozers
- Buses
- Loaders
- Other industrial and construction equipment powered by the above Yanmar engines.
Global Supply & Distribution
We are a trusted exporter of heavy-duty engine components with extensive experience in international logistics and trade compliance. Our supply chain is optimized for fast, reliable delivery to key global markets.
- Worldwide Shipping: We ship to all major industrial regions, including North America (USA, Canada, Mexico), Europe (Germany, UK, Poland, Italy), Asia-Pacific (Australia, Japan, Singapore), the Middle East (UAE, Saudi Arabia), and South America.
- Efficient Logistics: Consolidated shipments to major seaports (e.g., Los Angeles, Rotterdam, Singapore, Dubai) and air freight options for urgent orders to minimize lead times for our B2B partners.
- Export Expertise: All documentation, including commercial invoices, packing lists, and certificates of origin, is prepared to meet international customs requirements.
Quality Assurance
Every component is subject to rigorous quality control to ensure it meets the high standards required for diesel engine applications.
- Manufacturing Standards: Produced in a certified facility using precision machining and quality materials.
- Testing & Inspection: Each pump undergoes functional testing. A machinery test report and video outgoing-inspection are available to verify performance and build quality before shipment.
- Warranty: Backed by a 6-month warranty from the date of purchase, covering defects in materials and workmanship.
FAQ
Q: Is this a direct fit for my Yanmar 4TNE84 engine?
A: Yes, this oil delivery pump (129100-52100) is manufactured to the exact OEM dimensions and specifications. It is a direct bolt-on replacement for the 4TNE84 engine, as well as the other listed models (3TNV76, 2TNV70, 3TNE84, 4D84). No modifications are required for installation.
Q: What documentation is provided with the part to verify its quality?
A: We provide a machinery test report for the component. Furthermore, we can supply a video outgoing-inspection upon request, which documents the visual and functional checks performed before packaging. This ensures transparency and confidence in the product’s quality for our B2B customers.
Q: Do you offer technical support for installation?
A> While this is a direct replacement part, we recommend installation by a qualified technician following the engine manufacturer’s service manual procedures. For our B2B clients, we can provide general technical data sheets. For complex issues, we advise consulting the official Yanmar service documentation.
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 .