Mahle 41731.020 Engine Piston Ring Set

Engine Piston Ring Set for Ford and Lincoln

Mahle 41731.020 is a premium oversize piston ring set built for specific Ford Taurus, Lincoln LS, and Mercury Sable engine applications. It uses low-friction ring technology and OE-driven engineering to support oil control and long service life.

Key Features

• Premium piston ring set with a 0.020 in oversize specification
• Plasma-Moly face coating for reduced friction at the ring surface
• Carbon steel top and second rings for strength and wear resistance
• Stainless steel oil ring assembly with a shallow groove design
• 3.524 in bore diameter for matched engine rebuild applications
• Mahle 41731.020 engineered to meet demanding OE-style requirements

Detailed Description

Mahle 41731.020 piston rings are designed for engine rebuild work where bore size, ring material, and oil control matter. The set combines a plasma-moly coated face with carbon steel compression rings and a stainless steel oil ring assembly to help reduce friction while maintaining sealing performance. The shallow groove oil ring design and 3.00 mm oil ring thickness support controlled oil management in compatible engines.

This part fits 1996-2005 Ford Taurus, 2000 Lincoln LS, and 1996-2000 Mercury Sable applications listed in the fitment data. If you are sourcing Mahle 41731.020 for a Ford Taurus, Lincoln LS, or Mercury Sable rebuild, confirm bore size and ring configuration before assembly.

What It Is Used For

• Restoring cylinder sealing during an engine rebuild
• Reducing oil consumption caused by worn ring packs
• Addressing blow-by from tired or damaged piston rings
• Replacing worn compression and oil control rings
• Supporting proper compression recovery in matched bore applications

Installation Notes and Tips

Verify the 3.524 in bore diameter, 0.020 in oversize specification, and ring thicknesses before installation. Match the ring set to the cylinder finish and follow standard engine assembly procedures, including ring gap measurement and orientation checks. Confirm application details for the specific Ford Taurus, Lincoln LS, or Mercury Sable engine before final assembly.

Quality Assurance

Mahle designs piston rings around OE requirements, with an emphasis on reduced friction, lower oil consumption, and extended service life. Part number 41731.020 reflects premium-grade construction and application-specific engineering for rebuild accuracy.