What does the '.020' in the part number mean?

The '.020' indicates that this piston ring set is 0.020 inches undersize. This means the pistons or cylinders it's intended for are also 0.020 inches smaller than standard, which is common in engine rebuilding when machining has occurred.

What is the benefit of a moly coating on piston rings?

The moly coating on these Mahle rings helps to reduce friction between the piston rings and the cylinder walls. It also aids in the initial break-in process, ensuring the rings seat properly against the cylinder for optimal sealing and performance.

Are these rings suitable for all 8.1L GM engines?

This specific Mahle ring set is designed for 8.1L V8 engines found in various GM trucks and vans between the 2001 and 2009 model years, depending on the vehicle. It's important to verify the fitment for your exact year and model to ensure compatibility.

Mahle OE Piston Rings 41902CP.020 - GM Truck 8.1L V8

Name: Mahle Rings GM Truck 8.1L V8 2001-2004 Moly Ring Set
Brand: Mahle OE
Price: 123.99 USD
Availability: InStock

Mahle Rings GM Truck 8.1L V8 2001-2004 Moly Ring Set

$123.99

On Backorder

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

Mahle OE Moly Piston Ring Set for GM Truck 8.1L V8 (2001-2004). Reduces friction and oil consumption.

Key Features

Fits a wide range of GM trucks with the 8.1L V8 engine from 2001-2004.
This is a 0.020 inch undersize piston ring set.
Moly coating helps reduce friction and improve ring seating.
Designed to minimize engine oil consumption.
Contributes to longer engine service life.
Meets original equipment requirements for advanced piston ring technology.

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Will this fit your vehicle?

Product Details

If you're rebuilding the top end of your GM truck with the 8.1L V8 engine, these Mahle OE Moly Piston Rings are a solid choice. They're designed to meet the demanding requirements of original equipment, focusing on reducing friction and minimizing oil consumption for a longer service life. This set is specifically sized at 0.020 inches undersize, which is important to note for your build.

Mahle has a reputation for advanced piston ring technology, and these rings are built with that in mind. They aim to improve efficiency by lowering friction between the piston and cylinder wall, which can also contribute to better fuel economy and a smoother running engine. The moly coating on these rings helps with initial seating and provides a durable surface for consistent performance over time.

This set is designed for a range of GM trucks, including models like the Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD from the early 2000s. When you're putting an engine back together, using well-built components like these Mahle rings is key to ensuring reliability and performance.