Product Overview

This genuine-quality replacement piston is engineered for Yanmar NV94 series diesel engines, specifically the 4TNV94 model. Designed for durability and optimal compression, it is an essential component for the overhaul and maintenance of industrial machinery. We supply this part globally, with extensive experience serving key markets in North America, Europe, the Asia-Pacific region, and the Middle East.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM specifications for a perfect fit and reliable performance, ensuring correct compression and combustion.
• High-Durability Construction: Made from robust aluminum alloy to withstand high thermal and mechanical stresses within the combustion chamber.
• Optimized for Industrial Use: Specifically designed for the demanding cycles of forklifts, harvesters, and bulldozers, providing long service life.
• Improved Engine Efficiency: Correct piston dimensions help restore engine power, fuel efficiency, and reduce oil consumption.
• Complete Overhaul Solution: An essential component for engine rebuilds, paired with rings, pins, and liners for a comprehensive repair.

Technical Specifications

OEM Cross-Reference

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

• Yanmar: 129906-22080
• Compatible with other NV94 series engine piston specifications. Please confirm your engine’s full model and serial number for absolute compatibility.

Compatibility

This piston is compatible with Yanmar 4TNV94 diesel engines and other models within the NV94 series. These engines are commonly found in a wide range of industrial and agricultural equipment, including:

• Forklifts: Various models from leading manufacturers.
• Construction Equipment: Small bulldozers, compactors, and excavators.
• Agricultural Machinery: Harvesters, tractors, and irrigation pumps.
• Power Generation: Used in Yanmar-powered generators and industrial power units.

Global Supply & Distribution

We are a trusted global supplier of industrial engine components. Our logistics network ensures reliable worldwide shipping to major industrial hubs and ports.

• Primary Markets: North America (USA, Canada, Mexico), European Union (Germany, UK, Poland), Asia-Pacific (Japan, Australia, Singapore), and the Middle East (UAE, Saudi Arabia).
• Efficient Logistics: We offer consolidated sea freight and express air shipping options to minimize downtime for your operations.
• Export Compliance: All shipments are prepared with complete and accurate commercial documentation (invoice, packing list, certificate of origin) for smooth customs clearance worldwide.

Quality Assurance

We partner with ISO-certified manufacturers to ensure every part meets stringent quality standards.

• Manufacturing Standards: Components are produced using precision CNC machining and adhere to original design blueprints.
• Rigorous Testing: Each piston undergoes dimensional checks, hardness testing, and visual inspection to confirm it meets specified tolerances.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q1: How do I confirm this piston is the correct part for my Yanmar engine?
A1: The most reliable method is to match the part number (129906-22080) with your engine’s service manual or the number on your original piston. Also, verify your engine’s complete model designation (e.g., 4TNV94-XXXX) and serial number.

Q2: Should piston rings be replaced at the same time?
A2> Yes, it is a standard and highly recommended practice to install new piston rings and wrist pins whenever replacing a piston. This ensures optimal seal, compression, and longevity of the overhaul.

Q3: What is the typical lead time for delivery to Europe or North America?
A3> For standard sea freight to major ports like Rotterdam or Los Angeles, expect 25-35 days door-to-door. Express air freight options are available, typically delivering within 5-10 business days. We provide tracking for all shipments.

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 .