Cummins M11 ISM11 QSM11 Engine Piston 4070653 4022532 | Heavy Duty Diesel Parts

Product Details

Product Overview

This is a premium aftermarket replacement piston, specifically engineered for the Cummins M11, ISM11, and QSM11 heavy-duty diesel engine platforms. As a critical internal engine component, this piston (OEM reference numbers 4070653 and 4022532) is manufactured to strict tolerances to ensure optimal compression, fuel efficiency, and long service life. We supply this part globally, serving major markets including North America, Europe, Southeast Asia, the Middle East, and Africa, with fast shipping to industrial hubs and major ports.

Key Features & Benefits

• Superior Durability: Constructed from high-strength aluminum alloy for excellent heat dissipation and resistance to thermal fatigue.
• Precision Engineering: Manufactured to match OEM specifications, ensuring a perfect fit and consistent compression ratios for the M11/ISM11/QSM11 engine family.
• Enhanced Performance: Optimized ring groove design reduces oil consumption and blow-by, improving overall engine efficiency.
• Rigorous Testing: Each piston undergoes strict quality control checks, including dimensional verification and material composition analysis.
• Cost-Effective Solution: Provides a reliable alternative to OEM parts without compromising on quality or performance.

Technical Specifications

OEM Cross-Reference

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

• Cummins: 4070653
• Cummins: 4022532

Compatibility

This piston is specifically designed for the following engine platforms:

• Cummins M11 – Used in various heavy-duty truck and industrial applications.
• Cummins ISM11 – Common in Freightliner, International, and other Class 8 trucks.
• Cummins QSM11 – Used in marine, generator, and construction equipment.

Please verify your engine’s specific serial number and current piston specifications before purchase.

Global Supply & Distribution

We are a leading supplier in the global heavy-duty diesel parts market. Our robust logistics network ensures fast and reliable delivery to customers worldwide.

• Worldwide Shipping: We ship to over 50 countries, including the USA, Canada, UK, Germany, UAE, Saudi Arabia, Australia, and Singapore.
• Major Markets: Strong presence in North America, Europe, Asia-Pacific, and the Middle East.
• Fast Delivery: Stock available for immediate dispatch to major ports like Rotterdam, Dubai, Houston, and Shanghai.
• Export Expertise: Experienced in international trade documentation and customs clearance.

Quality Assurance

We are committed to providing parts that meet or exceed industry standards. Our quality assurance processes include:

• ISO 9001:2015 Certified manufacturing facility.
• Material Testing: Chemical composition and hardness verification.
• Dimensional Inspection: 100% inspection on critical parameters like pin bore diameter and compression height.
• Warranty: 12-month warranty against manufacturing defects.

FAQ

Q1: Will this piston fit my Cummins ISM11 engine from a 2002 Freightliner?

This piston is designed for the M11, ISM11, and QSM11 engine families. However, engine specifications can vary by application and year. Please cross-reference your current piston’s part number and measure the cylinder bore diameter to ensure compatibility. We recommend consulting your engine’s service manual.

Q2: Do I need to replace the piston rings and pin with this piston?

Yes, we strongly recommend using a complete piston kit, which includes the piston, piston rings, and piston pin. Reusing old rings can lead to poor sealing and oil consumption. We supply these components separately if you require a full overhaul kit.

Q3: What is the standard procedure for installing this piston?

Installation should be performed by a qualified diesel mechanic. Key steps include: 1) Thoroughly cleaning the cylinder bore. 2) Installing the piston rings with the correct ring gap orientation. 3) Lubricating the piston and cylinder bore with clean engine oil. 4) Using a piston ring compressor to gently insert the piston into the bore. 5) Torquing the connecting rod bolts to the manufacturer’s specifications. Always refer to the Cummins service manual for your specific engine model.