Mahle Motorsport Cummins 5.9L 24V Steel Monotherm Piston Set 4.015 in. Bore
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This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
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Mahle Motorsport forged steel Monotherm pistons for the 2003-2007 Cummins 5.9L 24V common rail, machined to a 4.015 in. bore. The one-piece steel design replaces the factory aluminum piston in builds where cylinder pressure is the limiting factor.
Key Features
- One-piece forged steel Monotherm construction
- Bore: 4.015 in. | Stroke: 4.724 in. | Rod: 7.559 in
- Compression height 2.804 in., reduced 0.010 in. from stock
- Crown volume -48.6cc for a 15.9:1 compression ratio
- Modified 04.5-07 bowl for reduced compression ratio
- 0.075 in. valve pockets
- DLC coated wrist pin included
- S42170 ring set included
- Listed weight: 1681 grams each
Fitment
- Cummins 5.9L B-Series 24V common rail, 2003-2007
- Uses 04.5-07 style injectors
- 4.015 in. bore
Product Details
- Manufacturer Part Number: 929969315
- Brand: Mahle Motorsport
- Bore: 4.015 in
- Stroke: 4.724 in
- Rod length: 7.559 in
- Compression height: 2.804 in
- Pin diameter: 1.575 in
- Crown volume: -48.6cc
- Compression ratio: 15.9:1
- Material: Forged steel
- Weight: 1681 grams
- Ring set: S42170 included
- Quantity: Set of 6
- Compression ratio calculated with 0.010 in. piston protrusion above deck and a 0.060 x 4.150 in. head gasket
Shipping Height: 8.0
Shipping Length: 13.0
Shipping Width: 11.0