
Product Overview
This is a premium replacement engine valve designed specifically for Yanmar 4D84 diesel engines. Engineered to meet or exceed OEM specifications, it is an essential component for maintaining optimal engine compression, performance, and fuel efficiency. We supply this critical part to a global network of distributors, workshops, and industrial operators, with major markets in North America, Europe, the Middle East, and the Asia-Pacific region.
Key Features & Benefits
- Precision Engineering: Manufactured to exact OEM dimensions (OEM Size) for a perfect fit and seamless installation, ensuring proper valve timing and sealing.
- Enhanced Durability: Constructed from high-grade materials to withstand extreme temperatures and pressures within the diesel combustion chamber, offering excellent resistance to wear and corrosion.
- Optimized Performance: Maintains proper compression ratios, reduces oil consumption, and supports efficient fuel combustion for reliable engine power output.
- Global Compliance: Sourced from a professional manufacturer in Guangdong, China, with extensive experience in exporting to international markets and adhering to global trade standards.
- Comprehensive Support: Backed by a 6-month warranty and full technical support, including machinery test reports and quality inspection documentation.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Engine Valve |
| Compatible Engine Model | Yanmar 4D84 |
| Engine Type | Diesel |
| Key Part Numbers | 129150-13353, 129150-13351, 129100-11100 |
| Size / Dimensions | OEM Standard Size |
| Weight (Approx.) | 1 kg |
| Place of Origin | Guangdong, China |
| Warranty | 6 Months |
| Packing | Plastic Bag, Box, Carton |
OEM Cross-Reference
This valve directly replaces the following OEM part numbers:
- Yanmar: 129150-13353
- Yanmar: 129150-13351
- Yanmar: 129100-11100
Note: OEM Service is available. Please contact us for custom manufacturing inquiries.
Compatibility
This engine valve is designed for use in Yanmar 4D84 diesel engines. These engines are commonly found in a wide range of industrial and mobile equipment, including:
- Construction Machinery: Excavators, loaders, compactors.
- Industrial & Agricultural Equipment: Pumps, tractors, harvesters.
- Power Generation (Gensets): Standby and prime power generator sets.
- Marine Applications: Auxiliary engines for marine vessels.
- Material Handling: Forklifts and other warehouse equipment.
Always verify your engine’s model and existing part number before ordering to ensure correct fitment.
Global Supply & Distribution
We are a trusted supplier in the global B2B automotive parts network. Our logistics are optimized for fast, reliable delivery to key industrial hubs worldwide.
- Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), Europe (Germany, UK, Poland), the Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Singapore, Japan), and South America.
- Efficient Logistics: Consolidated shipments to major ports and airports ensure cost-effective and timely delivery for bulk orders.
- Export Expertise: All documentation, including commercial invoices, packing lists, and certificates, is prepared to full international standards for smooth customs clearance.
Quality Assurance
Our commitment to quality ensures you receive a reliable, performance-grade component.
- Manufacturing Standards: Produced in a certified facility using precision machining and heat treatment processes.
- Rigorous Testing: Each batch undergoes stringent quality checks. A machinery test report is provided to validate material properties and dimensional accuracy.
- Video Outgoing-Inspection: Available upon request, providing visual confirmation of the product’s condition prior to shipment.
- Warranty & Support: Protected by a 6-month warranty. Comprehensive after-warranty service includes online technical support for installation and maintenance queries.
FAQ
Q1: How can I confirm this valve is the correct part for my specific Yanmar 4D84 engine?
A1: The most reliable method is to cross-reference the part number currently on your engine or from your engine’s service manual with our listed OEM numbers (129150-13353, 129150-13351, 129100-11100). You can also provide us with your engine’s serial number for further verification.
Q2: What is included with the product, and how is it packaged for international shipping?
A2: The valve is individually protected in a plastic bag, placed in a secure box, and then packed in a sturdy carton for shipment. We use export-grade packing materials to prevent damage during long-distance transit. All necessary documentation for customs is included.
Q3: Do you provide any proof of quality before shipment?
A3> Yes. We provide a machinery test report detailing the critical specifications and material compliance. Furthermore, we can arrange a video outgoing-inspection (VOI) where you can visually inspect the products and their packaging before they leave our warehouse, ensuring they meet your standards.
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 .