Sierra 118-3831 Cylinder Head Gasket for Yamaha 60-70HP Outboard

The Sierra 118-3831 is a premium-quality cylinder head gasket engineered specifically for Yamaha 60-70 HP outboard motors with 3-cylinder, 2-stroke configurations. This precision-manufactured gasket provides a reliable seal between the cylinder head and engine block, preventing compression loss and coolant leaks to maintain optimal engine performance.

Key Features:

• Designed to meet or exceed OEM specifications for reliable fit and function
• Direct replacement for Yamaha OEM part numbers 6H3-11181-01-00 and 6H3-11181-A1-00
• Precision-cut design ensures proper sealing and compression
• Manufactured from high-quality gasket material for durability in harsh marine environments
• Compatible with Yamaha 60-70 HP 3-cylinder 2-stroke outboard engines

Sierra has over 50 years of experience manufacturing aftermarket marine engine parts, earning the trust of engine manufacturers, boat builders, and marine technicians worldwide. Each Sierra gasket is engineered to restore your engine to OEM performance standards, ensuring a precise fit and long-lasting seal.