Product Overview

This is a premium replacement Valve Guide engineered for the Yanmar 4TNV88 diesel engine. 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 B2B clients in the construction, industrial, agricultural, power generation, marine, and material handling sectors, supporting operations in North America, Europe, the Middle East, Asia-Pacific, and beyond.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM dimensions (OEM Size) for a perfect fit and seamless installation, ensuring proper valve stem alignment and lubrication.
• Enhanced Durability: Made from high-grade materials to withstand extreme temperatures and continuous operational stress within the diesel engine cylinder head.
• Optimized Engine Performance: Maintains correct valve seating and timing, which is crucial for efficient combustion, optimal fuel economy, and reduced emissions.
• Comprehensive Quality Verification: Each part undergoes rigorous inspection, supported by machinery test reports and video outgoing-inspection records for traceable quality assurance.
• Global Logistics Ready: Packaged securely in plastic bags, boxes, and cartons for safe international shipping and storage.

Technical Specifications

OEM Cross-Reference

This valve guide is a direct replacement for the following OEM part number:

• Yanmar: 129130-13210

Note: OEM service is available. Contact our support for custom manufacturing inquiries.

Compatibility

This part is specifically designed for engines using the Yanmar 4TNV88 diesel engine platform. It is commonly required for equipment in:

• Construction: Excavators, Loaders, Compactors
• Industry: Pumps, Compressors
• Agriculture: Tractors, Combine Harvesters
• Power Generation: Yanmar-powered Generators (Gensets)
• Marine: Auxiliary and propulsion engines for small to medium vessels
• Material Handling: Forklifts

Global Supply & Distribution

We are a trusted supplier for international B2B buyers and distributors. Our streamlined export process ensures reliable delivery to major global markets.

• Worldwide Shipping: We export to all major regions including North America (USA, Canada), Europe (Germany, UK, Italy), Asia-Pacific (Australia, Japan, Southeast Asia), the Middle East, and Africa.
• Efficient Logistics: Fast container and air freight services to key industrial ports and logistics hubs. We handle all necessary export documentation and compliance.
• B2B Focus: Dedicated support for wholesalers, machinery workshops, and large-scale equipment fleet operators.

Quality Assurance

• Manufacturing Standards: Produced in a certified facility in Guangdong, China, adhering to strict quality control protocols.
• Warranty: Backed by a 6-month warranty from the date of purchase, covering material and workmanship defects.
• Testing & Inspection: Every batch is subject to dimensional checks and material analysis. Machinery test reports and video documentation of the outgoing inspection are available upon request to verify quality before shipment.
• Post-Warranty Support: Continuous online technical support is provided for installation guidance and troubleshooting.

FAQ

Q1: Is this valve guide a genuine Yanmar part or an aftermarket replacement?
A1: This is a high-quality aftermarket replacement part manufactured to the exact OEM specification (OEM Size) for the Yanmar 4TNV88 engine. It is designed to perform identically to the genuine part at a competitive price point for B2B procurement.

Q2: Do you provide documentation to prove the part’s quality and fitment?
A2: Yes. We provide a machinery test report for the production batch. Furthermore, we can supply a video outgoing-inspection for your specific order upon request, giving you visual confirmation of the part’s condition and dimensions before it leaves our factory.

Q3: What is the lead time for shipping to [Europe/North America/Asia]?
A3: Lead times vary by destination and shipping method. Typically, for a standard container load (LCL/FCL) to major ports in Europe or North America, transit time is 25-35 days. Air freight options are available for urgent requirements, with delivery in 5-10 business days. Contact our sales team for a precise quote based on your location and order volume.

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 .