
Product Overview
This is a premium replacement engine valve specifically engineered for the Yanmar 4TNV88 diesel engine. Designed to meet or exceed OEM specifications, this part is an essential component for engine rebuilds and maintenance. We supply directly from our manufacturing base in Guangdong, China, offering reliable global shipping to major industrial markets worldwide, including North America, Europe, the Middle East, and Asia-Pacific.
Key Features & Benefits
- Precision Engineering: Manufactured to exact OEM dimensions (OEM Size) for a perfect fit and optimal engine performance.
- Enhanced Durability: Made from high-grade materials to withstand high temperatures and pressures within the combustion chamber, ensuring long service life.
- Guaranteed Performance: Restores engine compression and efficiency, contributing to reliable power output and fuel economy.
- Rigorous Quality Control: Each valve undergoes strict inspection processes, supported by machinery test reports and video outgoing-inspection documentation.
- Global Compliance: Packaged and documented for smooth international trade, ensuring hassle-free import to your destination country.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Engine Valve |
| Primary Part Number | 129005-11100 |
| Alternative Part Number | 129100-11112 |
| Compatible Engine Model | Yanmar 4TNV88 |
| Engine Type | Diesel |
| Size / Dimensions | OEM Size |
| Weight (Approx.) | 3 kg |
| Packing | Plastic Bag, Box, Carton |
| Place of Origin | Guangdong, China |
OEM Cross-Reference
This valve directly replaces the following OEM part numbers:
- Yanmar: 129005-11100
- Yanmar: 129100-11112
Note: OEM service is available for bulk orders. Contact us for custom manufacturing inquiries.
Compatibility
This engine valve is designed for the Yanmar 4TNV88 diesel engine. This engine platform is widely used in various machinery across multiple industries, including:
- Construction: Excavators, compactors, light towers
- Agriculture: Tractors, harvesters, irrigation pumps
- Power Generation: Diesel gensets and standby power units
- Marine: Auxiliary engines for small to medium vessels
- Material Handling: Forklifts and terminal tractors
Global Supply & Distribution
We are a professional exporter of heavy-duty engine components with extensive experience in international logistics. Our supply chain is optimized for fast, reliable delivery to key global markets.
- Worldwide Shipping: We ship to all major destinations via air freight and sea freight.
- Key Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Italy, Netherlands), Asia-Pacific (Australia, Japan, Singapore), the Middle East (UAE, Saudi Arabia), and South America.
- Efficient Logistics: We ensure timely delivery to major ports and industrial hubs, with comprehensive export documentation (Packing List, Commercial Invoice, Certificate of Origin, Bill of Lading/Airway Bill).
- Trade Compliance: All shipments are prepared in full compliance with international trade regulations.
Quality Assurance
We stand behind the quality of our components with a robust assurance system.
- Manufacturing Standards: Produced in a certified facility using precision machining and heat treatment processes.
- Comprehensive Warranty: Backed by a 6-month warranty from the date of delivery against manufacturing defects.
- Testing & Inspection: Every batch is subject to dimensional checks and material verification. Machinery test reports and video evidence of outgoing inspections are available upon request.
- After-Sales Support: After-warranty service includes dedicated online technical support to assist with any installation or application questions.
FAQ
Q: How can I verify this valve will fit my specific Yanmar 4TNV88 engine?
A: The primary method is to cross-reference your existing valve or engine service manual with our listed part numbers (129005-11100 or 129100-11112). For absolute certainty, you can provide us with your engine’s serial number or a photo of the old valve for our technical team to confirm compatibility.
Q: What is included in the packaging, and are these sold individually or in sets?
A> This valve is sold as a single item. It is securely packed in a plastic bag for protection, placed in an individual box, and then consolidated into a master carton for shipment. Please specify your required quantity when ordering.
Q: Do you provide any guidance for installation and torque specifications?
A> While we supply the component, installation should be performed by a qualified mechanic familiar with diesel engine overhaul. We recommend consulting the official Yanmar 4TNV88 service manual for precise installation procedures, valve clearance settings, and torque specifications to ensure proper engine operation and longevity.
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 .