Product Overview

This is a genuine OEM piston ring set, manufactured to the exact specifications of the original Mitsubishi part. Designed for the robust 4D56 and 4D56-U 2.5-liter diesel engines, this set is essential for engine rebuilds and overhauls, ensuring restored compression, oil control, and performance. We supply this high-quality component globally, with extensive experience serving key markets across North America, Europe, the Middle East, and Asia-Pacific.

Key Features & Benefits

• Genuine OEM Quality: Direct replacement part manufactured to original equipment specifications for a perfect fit and reliable performance.
• Superior Durability: Made with high-grade materials to withstand the high temperatures and pressures within a diesel combustion chamber.
• Restores Engine Performance: Ensures optimal cylinder sealing to recover compression, power output, and fuel efficiency.
• Controls Oil Consumption: Precision-engineered oil control rings prevent excessive oil from entering the combustion chamber, reducing smoke and emissions.
• Japanese Manufacturing: Produced with the precision and quality control standards associated with Japanese automotive parts manufacturing.

Technical Specifications

OEM Cross-Reference

Primary OEM Part Number: 1110B977

This part is the direct OEM reference. Always verify the part number stamped on your original components or consult your engine manual before ordering.

Compatibility

This piston ring set is specifically designed for the following applications:

• Engine Models: Mitsubishi 4D56 and 4D56-U 2.5L turbo diesel engines.
• Vehicle Applications: Commonly found in Mitsubishi Delica (L300, L400), Pajero (Montero/Shogun), L200/Triton pickups, and various industrial/agricultural machinery powered by this engine family.
• Year Ranges: Compatible with vehicles and equipment utilizing the 4D56/4D56-U engine across its production lifespan (typically 1980s through early 2000s).

Global Supply & Distribution

We are a trusted global supplier of genuine automotive engine components. Our logistics network ensures efficient worldwide shipping to meet the demands of workshops, rebuilders, and distributors.

• Worldwide Shipping: We export to all major regions including North America (USA, Canada, Mexico), South America, Europe (UK, Germany, Benelux), Asia-Pacific (Australia, New Zealand, Southeast Asia), the Middle East, and Africa.
• Fast Delivery: Consolidated shipments to major international ports and logistics hubs (e.g., Los Angeles, Rotterdam, Singapore, Dubai) ensure timely delivery.
• Export Expertise: All documentation, including commercial invoices and certificates of origin, is prepared to ensure smooth customs clearance and compliance with international trade regulations.

Quality Assurance

Every part we supply meets stringent quality standards to guarantee performance and reliability for our B2B clients.

• Manufacturing Standards: Produced under the original manufacturer’s quality management system, ensuring dimensional accuracy and material integrity.
• Verification: Parts are visually inspected and cross-referenced with OEM specifications prior to shipment.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q: Is this a complete ring set for one piston, or for the entire engine?
A: This is a complete set for one piston/cylinder, typically including compression rings and an oil control ring assembly. You will need one set per cylinder for a full engine rebuild (e.g., 4 sets for a 4-cylinder 4D56 engine).

Q: Do I need to hone the cylinders when installing these new rings?
A: Yes, proper cylinder honing is critical. Installing new piston rings into worn or glazed cylinder walls will not restore proper compression or oil control. The cylinder walls must be honed to create the correct cross-hatch pattern for the new rings to seat properly.

Q: Are these rings pre-gapped, or do I need to check and adjust the end gap?
A> While OEM rings are manufactured to precise tolerances, it is always a best practice to check the ring end gap during assembly. Measure the gap with the ring placed squarely in the cylinder bore at the intended depth and file to the engine manufacturer’s specified tolerance if necessary. This ensures optimal performance and prevents scuffing.

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 .