Mahle 42076CP Engine Piston Ring Set

Engine Piston Ring Set for Buick, Chevrolet, and GMC Vehicles

The Mahle 42076CP engine piston ring set is designed for precise fitment and reliable performance in a range of Buick, Cadillac, Chevrolet, GMC, Pontiac, Saturn, and Suzuki models. Engineered with premium materials, this piston ring set supports optimal engine compression and oil control for vehicles like the Chevrolet Camaro, Buick LaCrosse, and GMC Acadia.

• Bore diameter: 3.7008 inches for exact cylinder fit
• Premium item grade ensuring durability and performance
• Stainless steel top ring and oil ring assembly for corrosion resistance
• Carbon steel second ring for enhanced wear resistance
• Oil ring assembly thickness of 0.0984 inches (axial height)
• Second ring thickness of 0.0587 inches (axial height)
• Top ring thickness of 0.0469 inches (axial height)
• Standard piston ring oversize with shallow groove size
• Gns coating on piston ring face for improved sealing

Technical Details and Material Composition

The Mahle 42076CP piston ring set features a combination of stainless steel and carbon steel materials tailored for durability and engine efficiency. The top ring and oil ring assembly are made from stainless steel, providing resistance to corrosion and high temperatures. The second ring is constructed from carbon steel, offering strength and wear resistance under combustion pressures. The piston rings have a standard oversize and shallow groove design, matching the 3.7008-inch bore diameter for a precise fit. Additionally, the Gns coating on the piston ring face enhances sealing capabilities, reducing blow-by and improving engine performance.

Compatible Vehicles and Applications

This piston ring set is compatible with a variety of vehicles, including but not limited to:

• Buick LaCrosse, Allure, Rendezvous
• Cadillac CTS, STS, SRX
• Chevrolet Camaro, Malibu, Equinox, Colorado, Traverse
• GMC Acadia, Terrain, Yukon, Canyon
• Pontiac G6, G8, Torrent
• Saturn Aura, Outlook, Vue
• Suzuki XL-7, Captiva Sport

Common Engine Issues Addressed

• Reduced engine compression due to worn piston rings
• Excessive oil consumption from poor oil ring sealing
• Increased blow-by causing decreased engine efficiency
• Engine smoking related to piston ring failure
• Uneven wear in cylinder bore affecting performance

Installation Notes and Tips

Ensure the cylinder bore is clean and free of debris before installation. Verify the bore diameter matches the 3.7008-inch specification for proper ring fit. Carefully install the piston rings in the correct order: top ring, second ring, then oil ring assembly. Avoid over-expanding the rings during installation to prevent damage. It is recommended to check ring end gaps and adjust if necessary according to manufacturer specifications.

Quality Assurance and Warranty

Mahle piston rings are manufactured to meet strict quality standards, using premium materials and coatings to ensure durability and consistent engine performance. While specific warranty details are not provided, Mahle products typically adhere to industry standards for reliability and fitment. For detailed warranty information, consult the product documentation or manufacturer.