Motorad 273-174 Engine Coolant Thermostat

Engine Coolant Thermostat for Volkswagen Vanagon

Motorad Standard 273-174 is an engine coolant thermostat built to OE specifications for stable temperature control in the cooling system. It uses a copper case and wax compound for quick reaction to coolant temperature changes, with an offset design, air relief valve, and OEM-style sealing features where applicable.

Fits 1983-1991 Volkswagen Vanagon, N/A. This 170 degree thermostat is a direct-fit option for Vanagon cooling system service where the specified temperature rating is required.

Key Features

• 170 degree F opening temperature
• Copper case and wax compound for responsive temperature regulation
• Manufactured to OEM specifications and processes
• Offset design with air relief valve
• Jiggle pin weep hole included
• Sealing flange outside diameter: 2.64 in
• Bypass diameter: 1.30 in
• Bypass length: 1.01 in
• Flange thickness: 0.05 in
• Gasket or seal not included

Detailed Description

Motorad Standard 273-174 is an OE-style engine coolant thermostat for the Volkswagen Vanagon cooling system. Built with OEM-quality materials and manufacturing processes, it is engineered to react quickly to coolant temperature changes and help maintain proper operating temperature. The copper case and wax compound support consistent thermostat movement, while the offset design and air relief valve help with installation and system bleeding where applicable. This part cross-references Anchor 3017 for the same application.

Compatible with 1983-1991 Volkswagen Vanagon models calling for a 170 degree thermostat, Motorad 273-174 is a practical replacement for cooling system maintenance on the Vanagon. The part number 273-174 is also referenced in interchange listings for related applications.

What It Helps Address

• Engine running too cool or too warm
• Delayed coolant flow regulation after startup
• Temperature fluctuation in the cooling system
• Thermostat replacement during cooling system service
• Restoring proper operating temperature control in a Volkswagen Vanagon

Installation Notes

Verify the 170 degree temperature rating and bypass dimensions before installation. The gasket or seal is not included, so reuse or replacement sealing components must be confirmed separately. The jiggle pin weep hole and air relief valve should be oriented according to the vehicle’s cooling system layout to assist with air bleeding during service.

Quality Assurance

Motorad manufactures this thermostat as an OE supplier using OEM-quality materials and safety standards. The 273-174 is produced to OEM specifications to support reliable cooling system operation in demanding service conditions.