Motorad 462-180 Engine Coolant Thermostat

Motorad 462-180 Thermostat Overview

The Motorad Standard 462-180 engine coolant thermostat is built for precise temperature control in Porsche cooling systems. It starts to open at 180 degrees F and uses OEM-spec materials and manufacturing processes to support consistent coolant flow in demanding service.

Compatible With Porsche 911, Boxster, and Cayman applications that call for a 180F thermostat insert, this Motorad 462-180 thermostat is built with a copper case and wax compound for quick reaction to coolant temperature changes. The Standard line focuses on direct-fit replacement parts that follow OE-style dimensions and sealing requirements where applicable.

Key Features

• Engine coolant thermostat with a 180 degree F start-to-open temperature
• OEM-quality materials and OE supplier manufacturing standards
• Copper case and wax compound for responsive temperature regulation
• Offset design with air relief valve
• OEM-style seals included where applicable
• Standard line direct replacement for select Porsche cooling systems
• Motorad 462-180 part number for catalog and cross-reference use

Detailed Product Description

The Motorad Standard 462-180 is an engine coolant thermostat engineered for Porsche cooling system service where a 180F operating specification is required. It features a 1.38 in bypass diameter, 1.38 in sealing flange outside diameter, 2.00 in height, and 1.4 in height between flanges. The unit uses a four-bolt-hole design and includes an installation tool for service convenience. This thermostat is listed without a gasket or seal and without a jiggle pin weep hole.

Fits 2007-2008 Porsche 911, N/A; Fits 1997-2008 Porsche Boxster, N/A; Fits 2006-2008 Porsche Cayman, N/A; Fits 1999-2006 Porsche 911, N/A. This part cross-references Dorman - HELP 56280 and Catco 4768 for the same application.

Common Cooling System Issues Addressed

• Engine running hotter than the specified thermostat opening temperature
• Slow coolant circulation after warm-up
• Temperature fluctuation caused by a worn thermostat element
• Cooling system service on Porsche 911, Boxster, or Cayman models with a 180F specification
• Replacement of a thermostat insert that matches OE-style dimensions

Installation Notes

Verify the thermostat housing style, flange dimensions, and 180 degree F specification before installation. Clean the sealing surfaces thoroughly and confirm the air relief orientation and offset design match the original layout. Because this listing does not include a gasket or seal, reuse only if the existing seal is serviceable or replace it with the correct OE-style sealing component for the application.

Quality Assurance

Motorad manufactures this thermostat using OEM quality materials and safety standards as an OE supplier, with OEM specifications and processes used in production. The copper case and wax compound are selected to provide fast response to coolant temperature changes in demanding automotive cooling systems.