What is the compression ratio for these pistons?

These Mahle MS pistons feature a 14.0:1 compression ratio. This is designed to work with specific engine builds and cylinder heads for optimal performance.

Are these pistons suitable for all 5.9L Cummins engines?

This piston set is specifically designed for the 5.9L 12V Cummins engine. It is not intended for other variants of the 5.9L Cummins or different engine displacements.

What is the piston dish volume?

The piston dish volume for this set is -59.2cc. This specification is crucial for achieving the correct compression ratio when paired with your cylinder head and gasket combination.

Mahle Cummins 5.9L 12V Piston Set 197952135

Name: Mahle MS Piston Set Cummins 4.035in Bore 4.724in Stroke 7.559od 1.575 Pin -59.2cc 14.0 CR Set of 6
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-cummins-4-035in-bore-4-724in-stroke-7-559od-1-575-pin--t14-567486
Price: 1091.64 USD
Availability: BackOrder

Mahle MS Piston Set Cummins 4.035in Bore 4.724in Stroke 7.559od 1.575 Pin -59.2cc 14.0 CR Set of 6

$1091.64

On Backorder

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

Mahle MS Piston Set for Cummins 5.9L 12V. Set of 6 pistons with 4.035in bore and 14.0 CR.

Key Features

Set of 6 Mahle MS cast performance pistons for Cummins 5.9L 12V engines.
Features a 4.035-inch bore and a 14.0:1 compression ratio.
Piston dish volume is -59.2cc.
Includes 1.575-inch wrist pins.
Designed for a 4.724-inch rod length.
Each piston weighs 1137 grams.

This piston set is designed for the Cummins 5.9L 12V 362 cu in engine. Not CARB approved; cannot ship to California.

⚠️ 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

If you're rebuilding the engine in your Cummins 5.9L 12V, this Mahle MS Piston Set is a solid option for getting your 362 cubic inch engine back in top shape. Mahle is a well-known name in engine components, and these cast performance pistons are built to handle the demands of a diesel engine.

This set includes six pistons, each featuring a 4.035-inch bore and a 14.0 compression ratio, with a dish volume of -59.2cc. The rod length is 4.724 inches, and the pin diameter is 1.575 inches. These pistons are designed with a 7.559-inch overall diameter and a 2.817-inch compression height, weighing in at 1137 grams each. They are intended for use with a 4.724-inch stroke crankshaft. The cast construction offers a good balance of strength and weight for performance applications.

It's important to note that these pistons are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures when rebuilding your engine.