Quicksilver 825212A1 Thermostat Kit 120°F Mercury Mariner Outboard

The Quicksilver 825212A1 Replacement Thermostat Kit is a genuine OEM cooling system component designed specifically for Mercury and Mariner 4-stroke outboard motors. This 120°F thermostat kit ensures proper engine temperature regulation for reliable performance on the water.

Key Features:

• 120°F thermostat calibrated for optimal cooling system temperature response
• Two-piece kit includes thermostat and custom-formed gasket for complete installation
• Self-cleaning design allows cooling system contaminants to flush through closing surfaces, preventing buildup and maintaining consistent operation
• Easy installation with common hand tools
• Genuine Quicksilver OEM quality for perfect fit and long-lasting durability

Fits Mercury and Mariner 4-Stroke Outboards:

• 30hp models (1999-2005): USA made serial 0G760300-1B226999, Belgium made serial 0P017000-0P400999
• 40hp models (1998-2018): USA made serial 0G231123 and up, Belgium made serial 0P017000 and up
• 50hp models (1995-2000): USA made serial 0G231123-0T178499

Regular thermostat replacement is essential for maintaining proper engine temperature, preventing overheating, and extending the life of your outboard motor. Consult your owner's or service manual for removal and installation procedures.