MAHLE S42416 Chrome Piston Ring Set for Cummins ISX 137mm 5.400in Bore

The MAHLE S42416 is a chrome piston ring set engineered for the Cummins ISX heavy-duty diesel engine. Designed to a 137mm (5.400 in) bore specification, this ring set is a direct replacement for OE part number 4376565 and cross-references Cummins part numbers 2881756, 4309336, and 5405718.

MAHLE is a world-leading OEM supplier of engine components, and this ring set is manufactured to meet or exceed the original equipment standards required for reliable, long-lasting performance in demanding heavy-duty commercial diesel applications. The chrome face coating on the top compression ring provides exceptional wear resistance, reduced friction, and extended service life — critical attributes for high-mileage commercial truck engines.

Key Features:

• Chrome-faced top compression ring for superior wear resistance and durability
• 137mm / 5.400 in bore diameter — standard bore sizing for Cummins ISX applications
• Replaces OE Cummins part number 4376565
• Cross-references: Cummins 2881756, 4309336, 5405718
• Designed for the Cummins ISX Series heavy-duty diesel engine (1-piece piston design)
• Manufactured by MAHLE to OEM-level precision and quality standards
• Complete ring set per cylinder

The MAHLE S42416 is the trusted choice for engine rebuilders and diesel technicians performing overhaul or top-end work on Cummins ISX-powered commercial trucks and equipment.