What does the 0.040 in the part number mean?

The '0.040' in the part number indicates that this is a 0.040 inch undersize piston ring set. This means it is intended for use in an engine that has been bored out by 0.040 inches beyond its original standard size.

What is the benefit of the moly coating on these rings?

The moly coating on these Mahle piston rings helps to reduce friction during the engine's break-in period and provides a more durable surface for consistent contact with the cylinder walls. This can contribute to better sealing and a longer lifespan for the rings.

Are these rings compatible with all 7.3L Ford engines?

This specific Mahle ring set is designed for 1988-1994 Ford trucks with the 7.3L engine. It is important to verify fitment for your exact vehicle model and year, as engine variations can occur.

Mahle Piston Rings Moly Ring Set 41548.040

Name: Mahle Rings Ford Trk 444 7.3L 89-94 Moly Ring Set
Brand: Mahle OE
Price: 160.68 USD
Availability: InStock

Mahle Rings Ford Trk 444 7.3L 89-94 Moly Ring Set

$160.68

On Backorder

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Mahle OE Moly Ring Set for Ford 7.3L trucks (1988-1994). Reduces friction and oil consumption.

Key Features

Fits 1988-1994 Ford E-250, E-350, F-250, F-350, F-59 Commercial Stripped Chassis, and F-Super Duty trucks with the 7.3L engine.
This is a 0.040 inch undersize piston ring set.
Moly coating on the rings aids in break-in and provides a durable wear surface.
Designed to reduce engine friction and minimize oil consumption.
Built to OE requirements for reliable performance and longer service life.

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Will this fit your vehicle?

Product Details

Mahle is known for making technically advanced engine components, and their piston rings are no exception. This Moly Ring Set is built to meet the demands of your Ford truck's 7.3L engine, specifically for models from 1988 to 1994. These rings are designed to minimize friction within the cylinder, which helps reduce oil consumption and can lead to a longer service life for your engine.

This set is a 0.040 inch undersize bearing set, meaning it's intended for engines that have been bored out to accommodate this size. The moly coating on the rings helps with initial break-in and provides a durable surface that works well with the cylinder walls. Mahle's focus on OE requirements means you're getting a part that's developed with the same level of detail as original equipment, aiming for improved efficiency and reliability.

This ring set fits a range of Ford trucks, including popular models like the F-250 and E-350 Econoline. When rebuilding or refreshing your engine, using a well-made ring set like this Mahle set is key to ensuring proper sealing and performance.