Piston Kit Mercury / Mariner 50 - 150 Hp Cross Flow 73-90 Standard OEM#: 7437A3 OEM#: 7437A3 774-8600A3 774-9137A9 8199A3 8200A4 SKU 100-15K

Piston Kit Mercury / Mariner 50 - 150 Hp Cross Flow 73-90 Standard OEM#: 7437A3

SKU: 100-15K

This high-quality replacement part is designed for marine and jetski applications, offering exceptional performance and reliability.

Key Features:
- OEM Equivalent: Replaces Yamaha part number 7437A3
- Additional OEM Numbers: 7437A3, 774-8600A3, 774-9137A9, 8199A3, 8200A4
- Durable Construction: Manufactured with premium materials to meet or exceed OEM specifications
- Color-Coded: 2.875"
- Brand: WSM - the leading aftermarket and trusted specialist in marine engine components

Compatible With: Mercury 3 Cyl 2.875 Bore Cross Flow 50 (1983-1990), Mercury 3 Cyl 2.875 Bore Cross Flow 60 (1984-1990), Mercury 3 Cyl 2.875 Bore Cross Flow 65 (1973-1976), Mercury 3 Cyl 2.875 Bore Cross Flow 70 (1977-1983), Mercury 6 Cyl 2.875 Bore Cross Flow 115 (1980-1988), Mercury 6 Cyl 2.875 Bore Cross Flow 140 (1978-1981), Mercury 6 Cyl 2.875 Bore Cross Flow 150 (1973-1978), Mercury 6 Cyl 2.875 Bore Cross Flow 90 (1984-1988)

Note: Always verify part numbers and compatibility with your specific engine model before installation.