What is included in this Mahle piston set?

This Mahle MS Piston Set includes six forged steel MONOTHERM pistons. It is designed for Cummins 5.9L 24V engines and contains the core piston components for a rebuild.

What is the compression ratio for these pistons?

These pistons feature a dish volume of -48.6cc, which results in a compression ratio of 15.9:1 when installed in the specified Cummins 5.9L 24V engine.

Can this piston set be shipped to California?

No, this product is not CARB approved and cannot be shipped to California due to emissions regulations.

Mahle Cummins 5.9L 24V Piston Set 929969315

Name: Mahle MS Piston Set Cummins 4.015in Bore 4.724in Stroke 7.559od 1.575 Pin -48.6cc 15.8 CR Set of 6
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-cummins-4-015in-bore-4-724in-stroke-7-559od-1-575-pin--t14-30112
Price: 3482.79 USD
Availability: BackOrder

Mahle MS Piston Set Cummins 4.015in Bore 4.724in Stroke 7.559od 1.575 Pin -48.6cc 15.8 CR Set of 6

$3482.79

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Mahle forged steel piston set for Cummins 5.9L 24V engines. Includes 6 pistons for a complete rebuild.

Key Features

Set includes six Mahle MS forged steel MONOTHERM pistons.
Designed for Cummins 5.9L 24V engines with a 359 cu in displacement.
Features a 4.015 inch bore and 4.724 inch stroke.
Piston rod length is 7.559 inches and pin diameter is 1.575 inches.
Dish volume is -48.6cc, resulting in a 15.9:1 compression ratio.
Steel construction offers robust durability for diesel applications.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

This Mahle MS Piston Set includes six forged steel MONOTHERM pistons, designed for Cummins 5.9L 24V engines. These pistons are built to handle the demands of a high-performance diesel rebuild, featuring a 4.015 inch bore and a 4.724 inch stroke. The steel construction offers a strong foundation for your engine's power output.

Each piston in this set has a 7.559 inch rod length and a 1.575 inch pin diameter, with a dish volume of -48.6cc. This configuration results in a compression ratio of 15.9:1, optimized for the 359 cubic inch displacement of the Cummins B-Series engine. The MONOTHERM design is a well-known steel piston technology that provides excellent durability and thermal stability under heavy loads, making it a popular choice for serious engine builds.

When rebuilding your Cummins 5.9L 24V, ensure you have all the necessary components for a successful installation. This set provides the core piston components for your engine. Please note that this product is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures.