
Product Overview
This is a premium-quality replacement Valve Guide engineered for Yanmar 4TN100 diesel engines. Designed to meet or exceed OEM specifications, this component is a critical part of your engine’s valve train system, ensuring optimal sealing and longevity. We supply this part globally to major industrial and automotive markets, supporting the maintenance and repair of heavy machinery and commercial vehicles worldwide.
Key Features & Benefits
- Precision Engineering: Manufactured to exact OEM dimensions (“OEM Size”) for a perfect fit and seamless installation, ensuring proper valve alignment and operation.
- Enhanced Durability: Crafted from high-grade materials to withstand the high temperatures and mechanical stresses within a diesel engine cylinder head.
- Optimal Performance: Ensures proper valve stem guidance, reducing wear on the valve stem and seat for consistent engine compression and power output.
- Cost-Effective Solution: Offers a reliable, high-performance alternative to genuine parts at a competitive price point, providing excellent value for fleet managers and equipment operators.
- Rigorous Quality Control: Each part undergoes thorough inspection, supported by a machinery test report and video outgoing-inspection to guarantee quality before shipment.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Valve Guide |
| OEM Part Number | 129101-16354 |
| Compatible Engine Model | 4TN100 |
| Engine Type | Diesel |
| Size / Dimensions | OEM Standard Size |
| Weight | Approx. 1 kg |
| Warranty | 6 Months |
| Quality Documentation | Machinery Test Report & Video Outgoing-Inspection Provided |
| Place of Origin | Guangdong & Guizhou, China |
| Selling Units | Single Item |
OEM Cross-Reference
This valve guide directly replaces the original Yanmar part number 129101-16354. It is the correct component for the specified engine model. Always verify your engine’s model and existing part number before ordering to ensure compatibility.
Compatibility
Primary Engine Application:
- Yanmar 4TN100 Diesel Engine
Typical Vehicle & Machinery Applications:
- Excavators
- Trucks
- Forklifts
- Bulldozers
- Buses
- Loaders
- And other industrial equipment powered by the Yanmar 4TN100 engine.
Global Supply & Distribution
We are a professional exporter of heavy-duty engine components with extensive experience in international logistics and trade compliance. We ship worldwide to all major markets, including:
- North America: USA, Canada, Mexico
- Europe: UK, Germany, Netherlands, Poland, Italy
- Asia-Pacific: Australia, Japan, Singapore, South Korea, Thailand
- Middle East & Africa: UAE, Saudi Arabia, South Africa
- South America: Brazil, Chile, Argentina
We offer reliable shipping solutions with fast delivery to major industrial ports and logistics hubs. Our expertise ensures smooth customs clearance and on-time delivery for B2B clients.
Quality Assurance
Our commitment to quality is unwavering. This valve guide is produced in ISO-certified facilities using precision machining techniques. Every batch is subject to stringent quality checks, including dimensional verification and material analysis. The included 6-month warranty underscores our confidence in the product’s durability and performance. Documentation such as the machinery test report is available to provide full transparency into our quality process.
FAQ
Q1: How do I confirm this valve guide will fit my Yanmar 4TN100 engine?
A1: The primary identifier is the engine model (4TN100) and the OEM part number (129101-16354). We recommend checking your engine’s service manual or the part number on your existing valve guide (if available) before purchase. You can also consult with our technical support team with your engine serial number for verification.
Q2: What is included with the quality assurance “video outgoing-inspection”?
A2: This is a documented visual and functional inspection of the product batch prior to packaging and shipping. The video typically shows checks for critical dimensions, surface finish, and freedom from defects. It serves as an additional layer of quality verification for our B2B customers, ensuring the parts meet the specified standards.
Q3: Is professional installation required for this valve guide?
A3: Yes. Replacing a valve guide is a precision engine repair task that requires specialized tools (e.g., guide driver/reamer) and technical knowledge. It involves removing the cylinder head, extracting the old guide, and pressing in the new one to the correct depth and clearance. This procedure should only be performed by a qualified mechanic in a properly equipped workshop.
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 .