MAHLE S42223 Piston Ring Set for Caterpillar C15 Engine 5.4" Bore

The MAHLE S42223 is a premium chrome piston ring set engineered for Caterpillar C15 diesel engines with a 137mm (5.4-inch) cylinder bore. This precision-manufactured ring set delivers reliable compression sealing and oil control for heavy-duty applications.

Key Features:

• Chrome-faced top ring for superior wear resistance and extended service life
• Designed specifically for Caterpillar C15 engine platforms
• 137mm (5.4-inch) bore diameter for precise cylinder fitment
• OEM-quality construction meeting or exceeding original equipment specifications
• Includes compression rings and oil control rings for complete piston sealing
• Advanced metallurgy and coatings for reduced friction and improved durability

MAHLE is a globally recognized leader in piston technology, supplying original equipment to major engine manufacturers worldwide. This ring set provides the quality and performance required for professional rebuilds of Caterpillar C15 engines found in heavy-duty trucks, construction equipment, and industrial applications.