Product Overview

This high-precision Valve Guide is engineered for the Yanmar 4TNV88 diesel engine series, a critical component for maintaining optimal cylinder head performance and engine longevity. As a global supplier of heavy machinery parts, we provide reliable OEM-quality components with direct shipping to major industrial markets worldwide, including North America, Europe, the Asia-Pacific region, and the Middle East.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM specifications for a perfect press-fit installation and optimal valve alignment.
• Superior Heat & Wear Resistance: Constructed from high-grade materials to withstand extreme temperatures and continuous friction within the cylinder head.
• Ensures Proper Lubrication: Designed to maintain correct oil film for reduced valve stem wear and prevention of oil burning.
• Restores Engine Compression: Critical for sealing the combustion chamber, directly impacting engine power and fuel efficiency.
• Extended Service Life: Replaces worn guides to prevent valve seat damage and costly engine repairs, maximizing equipment uptime.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM part numbers:

• Yanmar: 129130-13210

Note: Always verify part number compatibility with your specific engine serial number before purchase.

Compatibility

This valve guide is specifically designed for engines using the Yanmar 4TNV88 core. This engine model is commonly found in a range of compact excavators, wheel loaders, and other industrial machinery from various OEMs. It is crucial to confirm the engine model in your equipment, as the 4TNV88 is used across multiple machine brands and model years.

Global Supply & Distribution

We specialize in the international export of heavy equipment engine parts. Our logistics network ensures efficient shipping to key global hubs:

• Major Markets Served: USA, Canada, Germany, UK, Australia, Japan, UAE, Saudi Arabia, South Africa, and Brazil.
• Fast Port Delivery: Consolidated shipments to major ports like Los Angeles (LAX), Rotterdam (RTM), Singapore (SIN), and Jebel Ali (JAE).
• Trade Compliance: All shipments are prepared with complete commercial invoices, packing lists, and comply with international export regulations for smooth customs clearance.

Quality Assurance

Every part is sourced from certified manufacturers adhering to strict ISO quality management standards. Components undergo dimensional inspection and material verification to ensure they meet or exceed original performance specifications. We stand behind our parts with a standard warranty, guaranteeing they are free from manufacturing defects.

FAQ

Q: How do I know if my Yanmar 4TNV88 engine needs new valve guides?
A: Common signs include excessive oil consumption (blue exhaust smoke), loss of engine power, misfiring, or a measured increase in valve stem-to-guide clearance beyond service manual specifications during maintenance.

Q: Can I install this valve guide myself, or is specialized equipment needed?
A: Valve guide replacement is a precision engine overhaul task. It requires pressing the old guides out and the new ones in using specialized tools, followed by reaming to the exact final ID for valve stem clearance. This procedure is best performed by a qualified technician with a machine shop press and proper measuring tools.

Q: Do you supply valve guides for other Yanmar engine models?
A: Yes. We stock a comprehensive range of valve train components for Yanmar industrial engines including the 3TNV, 4TNV94, 4TNE98, and 6TNV series. Please contact our sales team with your specific engine model and part number requirements for a complete compatibility check.

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 .