Diesel Engine Piston for Mitsubishi MM436772 Compatible with K3M K4M Engines

Product Details

Product Overview

This is a high-quality replacement diesel engine piston designed for Mitsubishi industrial engines. The part is identified by the OEM reference number MM436772 and is commonly used in the Mitsubishi K3M and K4M engine series. Manufactured by, this piston is engineered to meet or exceed OEM specifications, ensuring reliable performance in demanding working conditions.

This component is a critical part of the engine’s combustion system, responsible for transferring the force of expanding gas to the crankshaft. It is suitable for a wide range of applications, including construction equipment, agricultural machinery, industrial power units, generators, marine engines, and material handling vehicles. Please verify your engine model and part number to confirm compatibility before purchase.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM size and specifications (MM436772) for a direct, bolt-in fitment, reducing installation time and complexity.
• Durable Construction: Built from high-strength materials to withstand the extreme temperatures and pressures of diesel combustion, ensuring a long service life.
• Performance Reliability: Helps maintain optimal compression and engine efficiency, contributing to better fuel economy and reduced emissions.
• Rigorous Quality Control: Each piston undergoes outgoing video inspection and machinery test reports are provided to confirm quality standards.
• Versatile Application: Compatible with both K3M and K4M engine platforms, making it a flexible solution for various Mitsubishi-powered machines.
• Complete Package: Comes securely packed in a plastic bag, box, and carton to prevent damage during transit and storage.

Technical Specifications

OEM Cross-Reference

This piston is a direct replacement for the following OEM part number:

• Mitsubishi: MM436772

Note: This is a high-quality aftermarket replacement part. It is not an original Mitsubishi part but is manufactured to match the original specifications.

Compatibility

This piston is commonly used for the following Mitsubishi engine models:

• Mitsubishi K3M Series
• Mitsubishi K4M Series

Typical Applications: This part is suitable for a variety of machinery, including construction equipment (e.g., mini excavators), agricultural tractors, industrial generators, marine auxiliaries, and forklifts. Always verify your specific engine model and part number to ensure a correct fit.

Global Supply & Distribution

We offer worldwide shipping to major industrial markets. Our distribution network covers:

• North America: Fast delivery to ports and inland hubs in the USA, Canada, and Mexico.
• Europe: Reliable shipping to major ports like Rotterdam, Hamburg, and inland distribution centers.
• Asia-Pacific: Efficient logistics to Japan, South Korea, Australia, and Southeast Asian markets.
• Middle East & Africa: Serving key industrial centers in the UAE, Saudi Arabia, and South Africa.

We have extensive export experience and ensure all shipments comply with international trade regulations. Whether you need a single unit for a repair or bulk orders for fleet maintenance, we can provide a cost-effective and timely solution.

Quality Assurance

is committed to delivering reliable components. Our quality assurance process includes:

• Manufacturing Standards: Parts are produced in ISO-certified facilities in Guangdong, China.
• Testing: Machinery test reports are available upon request to verify performance characteristics.
• Inspection: Video outgoing inspection is provided to confirm product condition before shipment.
• Warranty: This product is backed by a 6-month warranty against manufacturing defects.

FAQ

1. Is this piston a direct fit for my Mitsubishi K4M engine?

Yes, this piston (MM436772) is designed as a direct replacement for the standard OEM size in Mitsubishi K3M and K4M engine series. However, we strongly recommend verifying your engine’s specific model and serial number, as well as the required piston size (standard or oversized), to ensure a perfect match.

2. What is included in the package? Does it come with piston rings and a pin?

This listing is for the piston only. Piston rings, piston pins, and circlips are typically sold separately. Please check your engine’s service manual for the complete set of required parts for an overhaul. If you need a full kit, please contact us for a quote.

3. How should I store this piston before installation?

Store the piston in its original packaging in a cool, dry, and clean environment. Avoid exposing it to moisture, dust, or extreme temperatures. Before installation, clean the piston with a suitable solvent and lubricate it with clean engine oil to prevent scuffing during initial start-up.