Product Details

Product Overview

This high-quality Cylinder Piston Ring Set is specifically engineered for Mitsubishi 8DC81 and 8DC82 diesel engines. Designed to restore compression, reduce oil consumption, and minimize blow-by, this set is a direct replacement for OEM part numbers ME062086 and 31217-60012. Sourced from leading manufacturing facilities, this component is ideal for heavy-duty machinery, marine applications, and industrial power units. We offer global shipping to major markets including North America, Europe, Southeast Asia, the Middle East, and Africa, ensuring fast delivery to ports and industrial hubs worldwide.

Key Features & Benefits

• Superior Durability: Manufactured from high-grade alloy cast iron for exceptional wear resistance and long service life.
• Precision Engineering: Each ring is machined to exact specifications for a perfect seal within the cylinder bore, maximizing compression efficiency.
• Optimized Oil Control: Advanced ring profile design ensures minimal oil consumption while maintaining proper cylinder wall lubrication.
• Heat Resistance: Engineered to withstand the high thermal stress of turbocharged and naturally aspirated diesel engines.
• Cost-Effective Solution: A reliable alternative to OEM parts, offering factory-level performance at a competitive price point.

Technical Specifications

OEM Cross-Reference

This piston ring set is a direct replacement for the following OEM numbers:

• Mitsubishi: ME062086, 31217-60012
• Alternative Reference: 8DC81 Ring Set, 8DC82 Ring Set

Note: Always verify your engine block size and ring groove dimensions to ensure correct fitment.

Compatibility

• Engine Models: Mitsubishi 8DC81, 8DC82 (Naturally Aspirated & Turbocharged variants)
• Typical Applications: Heavy-duty trucks, construction machinery (excavators, bulldozers), marine engines, generator sets, and industrial power units.
• Vehicle Examples: Fuso trucks, Caterpillar/Mitsubishi joint venture machinery, and various industrial equipment using these engine platforms.

Global Supply & Distribution

We are a dedicated supplier of heavy-duty engine parts with a robust global logistics network. Our services include:

• Worldwide Shipping: Reliable delivery via sea, air, and express courier (DHL, FedEx, UPS, TNT).
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Japan, China, Australia), Middle East (UAE, Saudi Arabia), and Africa (South Africa, Nigeria).
• Fast Port Delivery: Stock available for immediate dispatch to major ports like Shanghai, Rotterdam, Los Angeles, and Dubai.
• Export Compliance: All products comply with international trade regulations and are packaged for safe transit.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities, ensuring consistent quality control.
• Testing: Each batch undergoes dimensional inspection, hardness testing, and surface finish verification.
• Warranty: 12-month warranty against manufacturing defects in materials and workmanship.
• Certification: Material test certificates available upon request.

FAQ

Q1: Will this piston ring set fit my Mitsubishi 8DC82 engine from a 1990s excavator?
A: Yes, this set is designed for both 8DC81 and 8DC82 engine models. However, we recommend verifying the cylinder bore diameter and ring groove width to ensure compatibility with your specific engine variant. Contact our technical support with your engine serial number for confirmation.

Q2: What is the recommended installation procedure for these rings?
A: Install the rings using a quality piston ring expander tool to avoid damage. Ensure ring gaps are staggered at 120-degree intervals around the piston. Always check ring end gaps in the cylinder bore before assembly; the gap should be within 0.3mm to 0.5mm for standard applications. Lubricate the rings and cylinder walls with clean engine oil during assembly.

Q3: How do I identify if my engine needs new piston rings?
A: Common signs include excessive oil consumption (blue smoke from exhaust), loss of engine power, high crankcase pressure (blow-by), and poor compression readings (below 300 PSI per cylinder). A compression test and leak-down test are recommended to confirm ring wear before replacement.

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 .