Mitsubishi K4D Engine Piston Ring Set MM406600 MM433050 4-Cylinder Diesel

Product Details

Product Overview

We are a leading supplier of premium diesel engine components for the global aftermarket. This high-quality piston ring set is specifically designed for the Mitsubishi K4D diesel engine, offering a direct replacement for OEM part numbers MM406600 and MM433050. Our products are exported worldwide, serving major markets in North America, Europe, Southeast Asia, and the Middle East, ensuring reliable performance for agricultural, industrial, and construction machinery.

Key Features & Benefits

• Premium Material: Manufactured from high-grade ductile iron and alloy steel for exceptional wear resistance and longevity.
• Precision Engineering: CNC-machined to exact OEM specifications (MM406600 / MM433050) for a perfect fit and optimal compression sealing.
• Enhanced Performance: Advanced ring profile reduces oil consumption and blow-by, maximizing engine efficiency and power output.
• Rigorous Testing: 100% inspected for tension, gap clearance, and surface finish to ensure consistent quality and reliability.
• Cost-Effective Solution: Aftermarket quality that meets or exceeds OEM standards at a competitive price point for B2B buyers.

Technical Specifications

OEM Cross-Reference

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

• Mitsubishi: MM406600, MM433050
• Alternative: Contact us for additional cross-references if your specific OEM number is not listed.

Compatibility

• Engine: Mitsubishi K4D (4-cylinder diesel engine)
• Common Applications: Forklifts, agricultural tractors, generator sets, and industrial machinery powered by the K4D engine.
• Year Range: Compatible with all production years of the K4D engine.

Global Supply & Distribution

We offer reliable worldwide shipping with fast delivery to major ports and industrial centers, including:

• North America: Los Angeles, Houston, New York, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Shanghai, Singapore, Tokyo, Busan
• Middle East & Africa: Dubai, Jeddah, Durban
• Latin America: Santos, Callao, Manzanillo

With extensive export experience and full customs compliance, we ensure your order arrives safely and on time. Volume discounts and wholesale pricing are available for B2B customers and distributors.

Quality Assurance

• Certifications: ISO 9001:2015 certified manufacturing facility.
• Warranty: 12-month warranty against manufacturing defects.
• Testing: Each batch undergoes hardness, dimensional accuracy, and surface finish testing to guarantee performance.
• Standards: Produced in accordance with JIS (Japanese Industrial Standards) for diesel engine components.

FAQ

Q1: Is this piston ring set a direct fit for my Mitsubishi K4D engine?
Yes, this set is designed as a direct replacement for the Mitsubishi K4D engine. It matches the OEM specifications of part numbers MM406600 and MM433050. Always verify your engine model and existing part numbers to ensure compatibility.

Q2: Do you offer oversized piston rings for engine rebuilds?
Yes, we can supply oversized rings (e.g., 0.25mm, 0.50mm, 0.75mm, 1.00mm) upon request. Please contact our sales team with your specific requirements before placing an order.

Q3: What is the recommended installation procedure for these rings?
Professional installation is recommended. Ensure the cylinder bore is clean, deglazed, and within service limits. Install rings with the correct orientation (markings facing up) and stagger the ring gaps 120 degrees apart. Lubricate with engine oil during assembly. Refer to the Mitsubishi K4D service manual for detailed torque specifications and procedures.