GM 6.6L Duramax PowerPak Piston Set 4.075 Bore - 930029875
GM 6.6L Duramax PowerPak Piston Set 4.075 Bore - 930029875
Regular price
$1,975.99 USD
Regular price
Sale price
$1,975.99 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Unlock the full potential of your GM 6.6L Duramax with the MAHLE PISTONS PowerPak Piston Set, engineered for performance and reliability.
- Precision-engineered for a perfect fit, ensuring optimal engine efficiency and longevity.
- Designed with a 4.075 bore size, these pistons enhance combustion performance for improved power output.
- Manufactured from high-quality materials, providing durability that withstands the rigors of heavy-duty applications.
- Lightweight design at just 25.74 lbs, promoting better engine dynamics and responsiveness.
- Ideal for both performance upgrades and factory replacements, catering to a variety of driving needs.
This piston set is specifically made for the GM 6.6L Duramax engine, ensuring compatibility and peak performance. Elevate your engine's capabilities with MAHLE PISTONS.

Before you order: fitment and what to plan
Pistons and rings seal the combustion chamber and turn pressure into motion.
Fitment notes
- Engine: check the engine size listed against your vehicle's VIN or under-hood label.
- Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentPlan the whole job
- Bearings. Rod and main bearings are usually replaced at the same time.
- Gasket set. The engine comes apart for this job.
More for your car: Pistons · All Pistons · Engine
Questions about pistons
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Standard or oversize?
Standard fits an unmachined bore. Oversize is for a bored cylinder.
Where do specs and warranty details come from?
From the manufacturer. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.