
Product Overview
This is a premium replacement Valve Guide engineered for Yanmar 3TNV84T diesel engines. Designed to meet or exceed OEM specifications, this critical component ensures optimal valve alignment and heat dissipation for sustained engine performance. We supply this part globally to distributors, workshops, and heavy machinery operators in key industrial markets worldwide, ensuring reliable operation in demanding applications.
Key Features & Benefits
- Precision Engineered: Manufactured to exact OEM dimensions (OEM Size) for a perfect fit and seamless installation, eliminating downtime.
- Superior Durability: Made from high-grade materials to withstand extreme temperatures and continuous friction within the cylinder head.
- Enhanced Engine Performance: Ensures proper valve stem guidance, reducing wear on valves and seats, which maintains compression and engine efficiency.
- Cost-Effective Solution: Offers the performance of genuine parts at a competitive price, providing excellent value for fleet maintenance and engine rebuilds.
- Rigorous Quality Control: Each part undergoes thorough inspection, supported by machinery test reports and video outgoing-inspection for verified quality.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Valve Guide |
| Primary Part Number | 129150-11810 |
| Alternative Part Number | 120130-11860 |
| Compatible Engine Model | Yanmar 3TNV84T |
| Engine Type | Diesel |
| Warranty | 6 Months |
| Weight | Approx. 1 kg |
| Place of Origin | Guangdong, China (Manufacturing Hub) |
OEM Cross-Reference
This valve guide directly replaces the following OEM part numbers:
- Yanmar: 129150-11810
- Yanmar: 120130-11860
Always verify the part number from your original engine or service manual before ordering to ensure compatibility.
Compatibility
This valve guide is specifically designed for the Yanmar 3TNV84T diesel engine. This engine is commonly found in a wide range of industrial machinery and vehicles, including:
- Excavators
- Forklifts
- Loaders and Bulldozers
- Trucks
- Buses
- Generators and Industrial Power Units
Global Supply & Distribution
We are a trusted supplier in the global automotive and machinery parts network. Our logistics are optimized for international B2B trade.
- Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands, Poland), Asia-Pacific (Australia, Japan, Singapore), the Middle East (UAE, Saudi Arabia), and South America.
- Efficient Logistics: Fast and reliable delivery to major ports and industrial centers via air and sea freight. We provide all necessary shipping documentation (Packing List, Commercial Invoice, Certificate of Origin).
- Export Expertise: Extensive experience in international compliance, customs clearance, and Incoterms (FOB, CIF, DAP), ensuring a smooth transaction for buyers worldwide.
Quality Assurance
Our commitment to quality ensures you receive a reliable and durable component.
- Manufacturing Standards: Produced in ISO-certified facilities using precision machining and quality-controlled materials.
- Comprehensive Warranty: Backed by a 6-month warranty against manufacturing defects.
- Testing & Documentation: Every batch is subject to stringent quality checks. A machinery test report is available, and our video outgoing-inspection process provides additional verification before shipment.
FAQ
Q1: How do I confirm this valve guide will fit my Yanmar 3TNV84T engine?
A1: The surest method is to cross-reference the part number. Please check your engine’s service manual or the original part removed from the cylinder head for the numbers 129150-11810 or 120130-11860. You can also provide your engine’s serial number for our technical team to verify.
Q2: What is the recommended installation procedure for this valve guide?
A2: Professional installation is recommended. The process typically involves heating the cylinder head (or cooling the guide) for an interference fit, using a proper driver tool to press it in to the correct depth, and often reaming to the final specified inner diameter for the valve stem. Always refer to the official Yanmar service manual for the precise procedure and tolerances.
Q3: Do you supply technical support or documentation with the part?
A3> Yes. While we provide the machinery test report for the part, for specific installation guidelines, we recommend consulting the OEM service manual. Our support team can assist with basic compatibility and order-related questions to ensure you receive the correct component for your application.
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 .