What does '0.040 inch undersize' mean for these piston rings?

This means the rings are designed to fit pistons that have been machined down by 0.040 inches. This is common during engine rebuilds when cylinders or pistons have been honed or bored to a larger size.

Are these rings compatible with all Saturn 1.9L engines?

This specific set is designed for Saturn models from 1991-1994 that use the 1.9L LLO or LKO engine codes. Always verify your specific engine code and vehicle year for proper fitment.

What is the benefit of reduced friction from these rings?

Reduced friction means less energy is lost as heat and mechanical resistance within the engine. This can lead to improved efficiency and potentially a longer lifespan for engine components.

Mahle OE Piston Ring Set 51691CP.040

Name: Mahle Rings Saturn 1901cc 1.9L LLO/LKO Engs 1991-94 Plain Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-saturn-1901cc-1-9l-llo-lko-engs-1991-94-plain-ring-set-t14-47490
Price: 23.91 USD
Availability: BackOrder

Mahle Rings Saturn 1901cc 1.9L LLO/LKO Engs 1991-94 Plain Ring Set

$23.91

On Backorder

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

Mahle Rings Saturn 1901cc 1.9L LLO/LKO Engs 1991-94 Plain Ring Set. Reduces friction and oil consumption for longer engine life.

Key Features

Fits 1991-1994 Saturn SC, SL, SW, SC1, SC2, SL1, SL2, SW1, and SW2 models with 1.9L LLO/LKO engines.
Piston rings are 0.040 inch undersize.
Designed to meet original equipment requirements for reduced friction.
Helps minimize engine oil consumption.
Contributes to a longer engine service life.

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Product Details

These Mahle OE piston rings are 0.040 inch undersize, meaning they are designed to fit pistons that have been machined to that specific dimension during an engine rebuild. They are built to meet original equipment requirements, focusing on reducing friction and minimizing engine oil consumption. This attention to detail helps ensure a longer service life for your engine.

Mahle's approach to piston ring technology aims to reduce both friction and the mass of the rings themselves. This not only contributes to better fuel efficiency but also helps keep oil where it belongs, inside the crankcase and out of the combustion chamber. For engines like the Saturn 1.9L LLO or LKO found in models from 1991 through 1994, these rings are a well-built option for a proper engine overhaul.

This set fits a range of Saturn vehicles, including models like the SC, SL, SW, SC1, SC2, SL1, SL2, SW1, and SW2 from the early to mid-1990s. If you're rebuilding the top end of one of these engines, these rings offer a solid choice for restoring performance and reliability.