MAHLE S41677 Sleeve Assembly Ring Set Cummins 8.3L 6CTA 6-Cyl 4.488in Bore

The MAHLE S41677 is a heavy-duty sleeve assembly ring set engineered for the Cummins New C 505 8.3L 6CTA six-cylinder diesel engine. Designed to meet OEM specifications, this piston ring set delivers reliable sealing performance and is a direct replacement for Cummins OE part number 3802429.

MAHLE is a globally recognized OEM engine parts supplier with decades of experience manufacturing precision engine components for commercial and industrial diesel applications. The S41677 ring set is built to restore proper compression, minimize oil consumption, and ensure long-term engine durability during engine overhauls and in-frame rebuilds.

Key Specifications:

• Bore Size: 4.488 in (114mm)
• Ring Configuration: (1) 3.50mm compression ring, (1) 3.00mm second compression ring, (1) 4.00mm oil ring
• OE Cross-Reference: 3802429, 3802258, 3800912
• Application: Cummins C 505 8.3L 6CTA — 6-cylinder diesel

Key Features:

• Manufactured to OEM standards for precise fit and function
• Restores factory compression and sealing performance
• Reduces oil consumption and blowby in worn or rebuilt engines
• Suitable for standard bore overhaul and in-frame rebuild applications
• Backed by MAHLE's engineering expertise as a global OEM supplier

The MAHLE S41677 sleeve assembly ring set is the trusted choice for engine rebuilders and fleet maintenance professionals working on Cummins 6CTA 8.3L diesel powerplants.