Motorad 429-195 Engine Coolant Thermostat

195°F Engine Coolant Thermostat for OE-Style Cooling Control

The Motorad Standard 429-195 engine coolant thermostat is built for precise temperature control in demanding cooling systems. It opens at 195°F and uses OEM-spec materials and processes to support stable coolant flow in compatible Chevrolet and GMC applications.

For drivers servicing a Chevrolet C10, K10, K20, or a GMC Jimmy, this 429-195 thermostat provides a direct-fit, standard replacement solution with OE-style sealing features where applicable.

Key Features

• 195°F start-to-open temperature for factory-style engine warm-up control
• Manufactured with OEM quality materials and OE supplier standards
• Copper case and wax compound for responsive temperature changes in coolant
• Offset design with air relief valve included where applicable
• OEM-style seals included where applicable
• Standard thermostat design for compatible cooling system service
• Sealing flange outside diameter: 2.48 in.
• Height between flanges: 1.09 in.; overall height: 1.56 in.

Product Details

Motorad Standard line thermostats are built to match OE specifications and manufacturing processes, giving technicians a dependable replacement option for cooling system maintenance. The 429-195 is a 195 degree thermostat engineered for vehicles that require consistent coolant regulation at the factory temperature setting. This part cross-references Dorman - HELP (e.g., 42995) for the same application.

Compatible With 1982 Chevrolet C10, 1982 Chevrolet C20, 1982 Chevrolet C30, 1982 Chevrolet K10, 1982 Chevrolet K10 Suburban, 1982 Chevrolet K20, 1982 Chevrolet K20 Suburban, 1982 Chevrolet K30, 1982 Chevrolet K5 Blazer, 1982 Chevrolet C10, C20, C30, K10, K20, K30, and 1982-1987 GMC Jimmy applications listed in the fitment data, this thermostat is also used across later Chevrolet G20, G30, P20, P30, Blazer, and Suburban models through 1993.

Common Cooling System Issues It Can Address

• Engine running cooler or warmer than the specified operating range
• Slow warm-up after cold starts
• Temperature fluctuation caused by a worn thermostat
• Cooling system service on vehicles with OE 195°F thermostat requirements
• Replacement during radiator, water pump, or hose maintenance

Installation Notes and Tips

Verify the housing and sealing surface before installation, and confirm the thermostat orientation matches the offset design. The 429-195 does not include a gasket or seal, and no installation tool is included. Clean the mating surfaces thoroughly and follow the vehicle service procedure for coolant refill and air bleeding.

Quality Assurance

Motorad manufactures this thermostat as an OE-supplier style replacement using OEM quality materials and safety standards. The copper case and wax compound are selected to respond quickly to coolant temperature changes, supporting consistent operation in demanding automotive cooling systems.