Product Overview

This is a genuine, high-performance piston ring set engineered for Mitsubishi 4D34 and 6D34 series diesel engines. Manufactured to exacting Japanese OEM standards, this component is essential for restoring engine compression, controlling oil consumption, and ensuring optimal performance in commercial and industrial applications. We specialize in global B2B distribution, serving key markets across North America, Europe, Asia-Pacific, and the Middle East with reliable logistics and export compliance.

Key Features & Benefits

• Genuine OEM Quality: Direct replacement part manufactured to original specifications for guaranteed fit and performance.
• Superior Durability: Made from high-grade materials to withstand extreme temperatures and pressures within the combustion chamber.
• Optimized Engine Performance: Ensures proper cylinder sealing for maximum compression, power output, and fuel efficiency.
• Reduced Oil Consumption: Precision-engineered rings control oil migration, preventing excessive burning and reducing emissions.
• Extended Engine Life: Proper installation as part of an overhaul minimizes wear on cylinder liners and pistons.

Technical Specifications

OEM Cross-Reference

Primary OEM Number: 33440-2FAC-000

Alternative/Cross-Reference Numbers: 33440-2FAC

Compatibility

This genuine piston ring set is designed specifically for the following engine series:

• Mitsubishi 4D34-T / 4D34-T2 Diesel Engines
• Mitsubishi 6D34-T / 6D34-T2 Diesel Engines

Common Applications: These engines are widely used in various Mitsubishi Fuso commercial trucks, buses, and industrial power units. Specific vehicle models include Mitsubishi Fuso Fighter, Canter, and Rosa buses, among others. Please verify your engine serial number for absolute confirmation.

Global Supply & Distribution

We are a professional B2B supplier with extensive experience in international automotive parts logistics. Our network ensures efficient delivery to major industrial hubs and ports worldwide.

• Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands), Asia-Pacific (Australia, Singapore, Japan), and the Middle East (UAE, Saudi Arabia).
• Fast Delivery: Consolidated sea freight and air freight options available for fast delivery to key logistics centers.
• Trade Compliance: All shipments are accompanied by complete commercial invoices, packing lists, and certificates of origin to ensure smooth customs clearance.

Quality Assurance

• Manufacturing Standard: Produced in certified facilities adhering to strict Japanese OEM quality control protocols.
• Genuine Part Guarantee: This is not an aftermarket imitation. It is a genuine part, ensuring perfect dimensional accuracy and material properties.
• Testing: Manufactured under rigorous processes with material and dimensional inspections to meet original performance specifications.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q1: Is this a complete set for one cylinder or for the entire engine?
A1: This part number (33440-2FAC) typically refers to a complete piston ring set for a single piston/cylinder. For a full engine overhaul, you will need one set per cylinder. Always confirm the quantity before ordering for your specific engine (4-cylinder for 4D34, 6-cylinder for 6D34).

Q2: How do I confirm this part is compatible with my specific 4D34/6D34 engine?
A2: The most reliable method is to cross-reference your engine’s serial number (ESN) and the existing part number on your old ring set. While compatible with the 4D34/6D34 series, minor variations exist. Providing your engine model and serial number allows us to verify exact compatibility.

Q3: What are the installation requirements for this ring set?
A3: Professional installation is highly recommended. Proper cylinder honing, precise ring end-gap measurement and adjustment, and correct ring orientation (especially the oil control ring) are critical steps. Incorrect installation can lead to immediate oil burning, poor compression, and engine damage. Always follow the official engine service manual procedures.

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 .