Product Overview
This is a high-quality OEM-specification piston ring designed for the Mitsubishi 6D20 diesel engine. As a leading supplier of heavy-duty engine components, we provide reliable parts for the global aftermarket, serving major industrial and commercial vehicle markets worldwide. This piston ring is engineered to restore engine compression, reduce oil consumption, and ensure optimal performance in demanding applications.
Key Features & Benefits
- Precision Engineering: Manufactured to exact OEM dimensions and tolerances for a perfect fit and reliable sealing.
- Enhanced Durability: Made from high-grade materials to withstand high temperatures and pressures within the diesel combustion chamber.
- Optimal Performance: Designed to maintain proper cylinder compression, minimize blow-by, and control oil consumption for efficient engine operation.
- Rigorous Testing: Each batch undergoes stringent quality checks, including machinery test reports, to ensure consistent performance and longevity.
- Global Compliance: Packaged and documented for seamless international shipping and customs clearance.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Piston Ring Set |
| Primary Part Number | ME052145 |
| OEM Part Number | 30917-01012 |
| Engine Model | Mitsubishi 6D20 |
| Engine Type | Diesel |
| Size | OEM Standard Size |
| Weight | 1 kg |
| Packing | Plastic Bag, Box, Carton |
| Selling Units | Single Item |
| Place of Origin | Guangdong, China |
OEM Cross-Reference
This piston ring directly replaces the following OEM part numbers:
- Mitsubishi: 30917-01012
- Aftermarket / Internal Reference: ME052145
Note: Always verify the part number stamped on your original component or consult your engine manual before purchase.
Compatibility
This piston ring is specifically designed for the Mitsubishi 6D20 diesel engine. This engine is commonly found in a wide range of heavy machinery and commercial vehicles, including:
- Excavators
- Bulldozers
- Forklifts
- Loaders
- Medium and Heavy-Duty Trucks
- Buses and Coaches
Global Supply & Distribution
We are a professional exporter specializing in diesel engine components with extensive experience in international B2B trade. We ensure fast and reliable logistics to major global markets.
- Worldwide Shipping: We ship to North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
- Major Port Delivery: Efficient delivery to key industrial hubs and ports including Rotterdam, Los Angeles, Singapore, Dubai, and Hamburg.
- Export Expertise: All documentation, including commercial invoices, packing lists, and certificates, is prepared to comply with international trade regulations for smooth customs clearance.
- Bulk & Wholesale: We support large order quantities for distributors, workshops, and fleet operators.
Quality Assurance
We are committed to supplying parts that meet the highest standards of performance and reliability.
- Manufacturing Standards: Produced in ISO-certified facilities using advanced manufacturing techniques.
- Comprehensive Warranty: Backed by a 6-month warranty against manufacturing defects.
- Quality Verification: Every production batch is supported by a Machinery Test Report. Video outgoing-inspection is available upon request to verify product condition before shipment.
- Material Integrity: Components are made from certified materials to ensure they meet the required mechanical and thermal properties.
FAQ
Q: How do I confirm this piston ring will fit my Mitsubishi 6D20 engine?
A: The surest method is to cross-reference the part number. This ring replaces OEM number 30917-01012. Please check your engine’s service manual or the number on your existing piston ring. The engine model (6D20) should also be verified on the engine identification plate.
Q: What is included in the quality inspection for this part?
A: Our quality assurance includes dimensional accuracy checks, material hardness testing, and visual inspection for defects. A formal Machinery Test Report is generated for each batch, and we can provide video evidence of the outgoing inspection process to give you complete confidence in your order.
Q: Do you provide technical support for installation?
A> While we supply the component, installation should be performed by a qualified mechanic familiar with diesel engine overhaul procedures. Critical steps include proper ring gap measurement, correct ring orientation (top/bottom), and careful cylinder wall preparation to ensure optimal performance and longevity.
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 .