What is the compression ratio with these pistons?

These Mahle MS pistons feature a -47.6cc dish volume, which results in a 16.3:1 compression ratio when installed in the specified Cummins 5.9L 12V engine.

Are these pistons suitable for all Cummins 5.9L engines?

This specific piston set is designed for the Cummins 5.9L 12V B-Series engine, often referred to as the 359 cubic inch (359cid) configuration. It is not intended for other Cummins engine variants.

What is included in this piston set?

This is a set of six Mahle MS cast performance pistons. It includes the pistons themselves, each with a specified bore, stroke, compression height, wrist pin size, and dish volume. Rings and connecting rods are typically sold separately.

Mahle Cummins 5.9L 12V Piston Set 197952215

Name: Mahle MS Piston Set Cummins 4.015in Bore 4.724in Stroke 1.575in Pin -47.6cc 16.3 CR (Set of 6)
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-cummins-4-015in-bore-4-724in-stroke-1-575in-pin-47-6cc-t14-565988
Price: 908.71 USD
Availability: InStock

Mahle MS Piston Set Cummins 4.015in Bore 4.724in Stroke 1.575in Pin -47.6cc 16.3 CR (Set of 6)

$908.71

Only 1 left in stock

Mahle MS Piston Set for Cummins 5.9L 12V. Set of 6 pistons with a 4.015in bore and 1.575in pin.

Key Features

Set includes 6 Mahle MS cast performance pistons for Cummins 5.9L 12V engines.
Pistons feature a 4.015 inch bore and 4.724 inch stroke.
Includes a 1.575 inch wrist pin and a 2.817 inch compression height.
Each piston has a -47.6cc dish volume, creating a 16.3:1 compression ratio.
Designed for the 359 cubic inch (359cid) 12-valve Cummins B-Series engine.
Weighs approximately 1151 grams per piston.

This piston set is designed for the Cummins 5.9L 12V 359 cu in engine. It is not CARB approved and cannot be shipped 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

Secure CheckoutFast Shipping631-982-0042

Product Details

Mahle is a well-known name in engine components, especially for diesel applications. This set of MS pistons is built for the Cummins 5.9L 12V B-Series engine, often found in the 359 cubic inch (359cid) configurations. If you're rebuilding the top end of your 12-valve Cummins, these pistons are designed to handle the demands of performance applications.

This set includes six cast performance pistons, each with a 4.015-inch bore and a 4.724-inch stroke. The compression height is 2.817 inches, and they use a 1.575-inch wrist pin. Each piston weighs approximately 1151 grams and features a -47.6cc dish volume, resulting in a 16.3:1 compression ratio. These specifications are tailored for engines looking for improved performance over stock, while still utilizing a cast construction for a balance of durability and cost-effectiveness. The rod length specified is 7.559 inches.

When undertaking a diesel engine rebuild, ensuring you have the right components is crucial. This piston set is a solid option for those looking to restore or enhance their Cummins 5.9L 12V engine. Please 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.