Autopart International 1601-329873 Engine Coolant Thermostat

The Autopart International 1601-329873 is a direct-fit engine coolant thermostat designed to restore precise temperature regulation to your vehicle's cooling system. This thermostat opens and closes at the manufacturer-specified temperature to maintain optimal engine operating temperature, helping protect against overheating and inefficient cold-running conditions.

Key Features:

• OE-equivalent fit, form, and function for a straightforward installation
• Precision-calibrated to open and close at the correct temperature regardless of pressure changes
• Wax-pellet actuator design for reliable, repeatable thermal response
• Jiggle pin or air bleed valve where applicable to purge air pockets from the cooling system
• Compatible with standard coolant types including OAT, HOAT, and conventional antifreeze/coolant mixtures
• Manufactured to meet or exceed original equipment specifications

Replacing a faulty engine coolant thermostat is a cost-effective way to resolve overheating, poor fuel economy, slow cabin heat, or a temperature gauge that reads too high or too low. The Autopart International 1601-329873 provides a reliable, quality-matched replacement for the original equipment thermostat.