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MAHLE

MAHLE S42140.020 PISTON RING SET (.020) FOR 2007.5-2018 CUMMINS 6.7L ENGINE

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SKU:
MCIS42140020
MPN:
S42140020
Shipping:
Calculated at Checkout
$46.86
724-785-4022

Description

The MAHLE S42140.020 is a piston ring set, specifically designed for 6.7L Cummins engines, known for its OE (Original Equipment) quality and ability to maintain factory performance. This set includes all four rings for one cylinder and is sold in quantities of six to complete an engine rebuild, according to CPP.  
 
Key Features and Benefits:
  • OE Quality and Fit:
    The rings are designed to match the original specifications of the engine, ensuring a perfect fit and optimal performance. 
     
  • Performance and Durability:
    MAHLE is known for its high-quality piston rings, which are designed to reduce friction, increase engine efficiency, and extend service life. 
     
  • Specific Application:
    This set is specifically designed for the 2007.5-2018 Dodge Ram 6.7L Cummins engines, including models like the Ram 2500, 3500, 4500, and 5500. 
     
  • Material and Construction:
    The rings are made from high-quality materials like ductile iron, cast iron, and iron, with specialized coatings for durability and wear resistance. 
     
  • Improved Engine Efficiency:
    Reduced friction, lower ring mass, and decreased engine oil consumption contribute to improved fuel economy and overall engine performance. 
     
  • Pre-Lapped for Ease of Installation:
    Many sets, including the MAHLE S42140.020, are pre-lapped, meaning they are ready for immediate use without a break-in period. 
     
  • Enhanced Sealing:
    The rings are designed with features like reverse twist, taper race machining, and CP-20 oil ring assemblies to provide better groove side sealing and enhanced contact against the cylinder wall. 
     
  • Warranty:
    MAHLE typically offers a warranty on their products, providing peace of mind for the customer. 
     

    Vehicle Fitment

    The MAHLE S42140.02 piston ring set is compatible with the following vehicles:

    MakeModelYearsEngine
    Dodge Ram 2500 2007–2012 6.7L Cummins Diesel
    Dodge Ram 3500 2007–2012 6.7L Cummins Diesel
    Dodge Ram 2500 2016–2018 6.7L Cummins Diesel
    Dodge Ram 3500 2016–2018 6.7L Cummins Diesel
    Ram 2500 2011–2012 6.7L Cummins Diesel
    Ram 3500 2011–2012 6.7L Cummins Diesel
    Ram 2500 2016–2018 6.7L Cummins Diesel
    Ram 3500 2016–2018 6.7L Cummins Diesel

    Note: This piston ring set is for a single cylinder. For a complete engine rebuild, multiple sets are required.

    ?️ Specifications

    • Bore Size: 4.23" (107.4 mm)

    • Oversize: +0.020"

    • Top Ring Material: Ductile Iron

    • Second Ring Material: Cast Iron

    • Oil Ring Assembly Material: Cast Iron

    • Top Ring Facing: Plasma-Moly

    • Second Ring Facing: Chrome

    • Oil Ring Facing: Chrome

    • Top Ring Axial Height: 2.87 mm

    • Second Ring Axial Height: 2.5 mm

    • Oil Ring Axial Height: 3.45 mm

     

    Taxable Yes
    Harmonized Tariff Code (Schedule B) 8409914000
    Harmonized Tariff Code (HTS) 8409994000
    SDR Required Flag No
    Warranty Time UOM Months
    Warranty Time 12
    Country of Origin (Primary) Brazil
    Life Cycle Status Code Available to Order

     

    Second Ring Material Cast Iron
    Oil Ring Assembly Material Cast Iron
    Piston Ring Face Coating Plasma-Moly
    Oil Ring Assembly Thickness (Axial Height) 0.1356 in
    Item Grade Premium
    Top Ring Thickness (Axial Height) 0.113 in
    Oil Ring Assembly Groove Type 2 pc.
    Piston Ring Oversize 0.020 in
    Top Ring Material Ductile Iron
    Second Ring Thickness (Axial Height) 0.0984 in
    Bore Diameter (in) 4.2323

     

    Type of package Smallest Pack (Consumer Level)
    Quantity per packing unit 3
    package level GTIN 00027067854674
    Height (Inch) 1.125
    Width (Inch) 4.75
    Length (Inch) 4.75
    weight (Pounds Gross) 0.221

     

 

The MAHLE S42140.020 Piston Ring Set is crafted to deliver outstanding performance for 2007.5-2018 Cummins 6.7L engines, a testament to MAHLE's commitment to OE (Original Equipment) quality. This comprehensive set includes every essential piece for one cylinder—four precision-engineered rings—allowing you to effectively rebuild your engine with confidence and reliability.

Designed specifically for high-demand applications, this piston ring set supports a variety of Dodge Ram models, including the 2500, 3500, 4500, and 5500. Every ring is manufactured with superior materials such as ductile and cast iron, featuring specialized coatings that ensure durability and resistance to wear. This meticulous engineering minimizes friction, enhances engine efficiency, and ultimately extends the overall lifespan of your engine.

Installations are made simpler with pre-lapped rings, ready for immediate use without the hassle of a break-in period. The enhanced sealing capabilities of the rings, featuring reverse twist and taper race machining, guarantee superior contact with the cylinder wall. This innovative design not only improves the engine’s fuel economy but also reduces oil consumption — a key advantage for maintaining optimal engine performance under various driving conditions.

Additionally, MAHLE backs the quality of its products, typically offering a 12-month warranty for added peace of mind. The MAHLE S42140.020 is not just a product; it’s a reliable investment in your vehicle’s longevity and performance. Perfect for those looking to maintain the integrity of their 6.7L Cummins engine, this piston ring set is vital for any serious engine builder. Please note, for a complete rebuild, multiple sets will be required to ensure every cylinder operates at peak efficiency.

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