Beck Arnley 143-0691 Engine Coolant Thermostat

Engine Coolant Thermostat for Toyota Applications

Beck Arnley 143-0691 is an engine coolant thermostat built to OE specifications for foreign nameplate vehicles. It is set to 180 degrees and is a direct-fit choice for Toyota cooling system service when you need the correct operating temperature and factory-style fit.

Compatible with select Toyota 4Runner, Pickup, and T100 applications, this thermostat supports consistent coolant flow control in the engine cooling system. Beck Arnley 143-0691 is a practical replacement for drivers servicing a Toyota 4Runner thermostat, Toyota Pickup thermostat, or Toyota T100 thermostat at the original equipment temperature.

Key Features

• Beck Arnley 143-0691 engine coolant thermostat
• OE-spec form, fit, and function for foreign nameplate vehicles
• 180-degree temperature rating
• Housing not included
• Gasket/seal not included
• Fits Toyota cooling system service applications with original equipment temperature requirements

Detailed Description

Beck Arnley sources parts to match foreign nameplate OE specifications, helping ensure the thermostat installs with the correct dimensions and operating characteristics. This 143-0691 thermostat is specified at 180 degrees and is intended for Toyota engines that call for that temperature setting. It is a straightforward replacement for maintaining proper coolant regulation in 1981-1995 Toyota Pickup, 1988-1995 Toyota 4Runner, and 1993-1994 Toyota T100 applications. Beck Arnley 143-0691 is a reliable catalog match when you need a Toyota thermostat replacement with OE-style fitment.

What This Part Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed coolant circulation during warm-up
• Temperature control issues in Toyota cooling system service
• Replacement of a thermostat that no longer opens at the correct temperature
• Restoring factory-specified 180-degree operating temperature

Installation Notes and Tips

• Fits 1988-1995 Toyota 4Runner, N/A; Original Equipment Temperature; Gasket/Seal Not Included; Temperature 180
• Fits 1981-1995 Toyota Pickup, N/A; Original Equipment Temperature; Gasket/Seal Not Included; Temperature 180
• Fits 1993-1994 Toyota T100, N/A; Original Equipment Temperature; Gasket/Seal Not Included; Temperature 180
• Housing is not included, so inspect the thermostat housing before installation
• Replace the gasket or seal as required for proper sealing
• Verify the cooling system is clean and filled to the manufacturer’s specification before returning the vehicle to service

Quality Assurance

Beck Arnley parts are sourced to meet OE specifications for form, fit, and function on foreign nameplate vehicles. That sourcing approach supports confident installation on Toyota 4Runner, Toyota Pickup, and Toyota T100 cooling system repairs.