Stant 45209 Engine Coolant Thermostat

Engine Cooling Thermostat Overview

Stant Superstat thermostat 45209 is a 195-degree engine coolant thermostat for a wide range of Chrysler, Dodge, Jeep, Plymouth, Eagle, Mini, Mitsubishi, and Volkswagen applications. It is built for OE-temperature operation and uses Superstat engineering to support stable coolant control under demanding conditions.

Compatible With Chrysler Sebring, Dodge Caravan, Jeep Wrangler, and other listed applications, this thermostat is a fitment-based replacement for vehicles that require a 195-degree opening temperature. Part number 45209 appears across many late-model and earlier platforms, including Chrysler Sebring and Dodge Grand Caravan applications.

Key Features

• 195-degree thermostat temperature for OE-style cooling control
• High-venturi design for increased cooling capacity during high-temperature, high-load operation
• Larger piston diameter for stronger actuation than standard thermostats
• Stainless steel flange with a burnished finish for added corrosion resistance
• Thicker flange construction for added strength and stability

Detailed Description

Stant 45209 is part of the Superstat thermostat line, engineered for consistent coolant regulation across many Chrysler, Dodge, Jeep, Plymouth, and related vehicle applications. The design uses a high-venturi flow path and a larger piston to improve response and cooling capacity when the engine is working harder. The stainless steel flange and thicker flange construction add durability in the cooling system environment. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part May Address

• Engine running hotter than normal
• Slow warm-up or unstable operating temperature
• Coolant temperature fluctuation under load
• Thermostat wear from age, corrosion, or sticking
• Cooling system service on vehicles requiring a 195-degree thermostat

Installation Notes and Tips

Verify the required temperature rating and match it to the vehicle application before installation. Clean the thermostat housing sealing surfaces and inspect the cooling system for contamination or damaged seals during service. Confirm fitment against the listed applications for Chrysler Sebring, Dodge Grand Caravan, Jeep Wrangler, and other supported models.

Quality Assurance

Stant Superstat thermostats are built with application-specific cooling control in mind, using a stainless steel flange and reinforced construction for corrosion resistance and durability.