
Product Overview
This is a premium replacement Engine Valve Guide Seat designed for Yanmar 3TNV70 diesel engines. Manufactured to exact OEM specifications, this critical component ensures proper valve alignment and heat dissipation for optimal engine performance and longevity. We supply this part globally to distributors, workshops, and heavy machinery operators in key industrial markets worldwide.
Key Features & Benefits
- Precision Engineered: Manufactured to strict tolerances matching the original Yanmar specifications for a perfect fit and reliable operation.
- Enhanced Durability: Made from high-grade materials to withstand extreme temperatures and pressures within the diesel engine combustion chamber.
- Optimal Heat Management: Designed to effectively transfer heat from the valve stem to the cylinder head, preventing valve seizure and extending component life.
- Ensures Proper Sealing: Critical for maintaining cylinder compression, fuel efficiency, and reducing harmful emissions.
- Cost-Effective Solution: Provides OEM-level quality and performance at a competitive price, reducing downtime and maintenance costs for your fleet.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Engine Valve Guide Seat |
| Primary Part Number | 119515-11110 |
| Compatible Engine Model | Yanmar 3TNV70 |
| Engine Type | Diesel |
| Dimensions | OEM Standard Size |
| Weight (Approx.) | 1 kg |
| Place of Origin | Guangdong / Guizhou, China |
OEM Cross-Reference
This valve guide seat is a direct replacement for the following genuine Yanmar part numbers:
- Yanmar 119515-11110
- Yanmar 119515-11101
- Yanmar 119515-11800
Always verify the part number from your original component or engine manual before ordering.
Compatibility
This part is specifically engineered for the Yanmar 3TNV70 diesel engine. This engine is commonly found in a wide range of industrial and construction machinery, including:
- Excavators
- Forklifts
- Loaders and Bulldozers
- Trucks
- Buses
- Generators and Industrial Power Units
For specific year/model compatibility, please consult your equipment service manual or contact our technical support with your machine’s serial number.
Global Supply & Distribution
We are a leading supplier of heavy-duty engine components with a robust international logistics network. We efficiently serve B2B clients across all major industrial regions:
- Americas: Fast shipping to USA, Canada, Mexico, and Brazil via major ports like Los Angeles, Houston, and Santos.
- Europe: Reliable supply to the EU, UK, and Eastern Europe through hubs in Rotterdam, Hamburg, and Antwerp.
- Asia-Pacific: Extensive distribution across Australia, Japan, Southeast Asia, and the Middle East from our strategic location.
- Africa: Regular shipments to key markets in South Africa, Nigeria, and Kenya.
We handle all export documentation, customs clearance, and compliance for seamless international trade. Both sea and air freight options are available to meet your timeline and budget requirements.
Quality Assurance
Every component is produced under a stringent quality management system to guarantee reliability.
- OEM Specifications: Manufactured to match original engineering drawings and material standards.
- Rigorous Testing: Each batch undergoes thorough dimensional checks and material analysis. A Machinery Test Report is provided.
- Video Outgoing-Inspection: Available upon request, providing visual verification of the product prior to shipment.
- Warranty: Backed by a 6-month warranty against manufacturing defects, ensuring your complete confidence in the product’s quality.
FAQ
Q: How can I confirm this part will fit my specific Yanmar 3TNV70 engine?
A: The surest method is to cross-reference the part number. Please check the number stamped on your old valve guide seat or refer to your engine’s official parts catalog against our listed OEM numbers (119515-11110, 119515-11101, 119515-11800). Providing your engine’s full model and serial number to our team can also help us verify compatibility.
Q: What is the recommended procedure for installing this valve guide seat?
A: Installation requires precision machining tools. The cylinder head must be properly prepared, and the new guide seat should be pressed in using the correct mandrel to ensure it is square and seated at the correct depth. We recommend installation by a qualified mechanic familiar with diesel engine rebuilding procedures to avoid damage.
Q: Do you provide technical support or documentation with the part?
A> While we provide the Machinery Test Report for the part batch, detailed installation manuals are specific to the engine model. We recommend using the official Yanmar service manual for your 3TNV70 engine for torque specs, clearances, and step-by-step procedures. Our sales team can assist in sourcing general engine rebuild guidelines.
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 .