Stant 13459 Engine Coolant Thermostat

OE Type Thermostat for Cadillac Cooling Systems

Stant 13459 is an OE Type Thermostat built for Cadillac cooling system service where a 195 degree opening temperature is specified. It uses an original equipment design with a stainless steel assembly and durable materials for consistent coolant control in classic Cadillac applications.

Compatible with 1968-1984 Cadillac Commercial Chassis, 1968-1984 Cadillac Fleetwood, 1968-1981 Cadillac DeVille, 1970-1978 Cadillac Eldorado, 1980-1981 Cadillac Eldorado, and 1980-1981 Cadillac Seville, this thermostat supports OE temperature replacement needs across a broad range of Cadillac models. Part number 13459 is also listed for 1968-1969 Cadillac Eldorado with alternate temperature notes.

Key Features

• OE Type Thermostat from Stant
• 195 degree temperature rating
• Original equipment design for direct-style replacement
• Stainless steel assembly for smooth operation
• Durable construction for long service life
• Bypass plate diameter: 0.92 in.
• Flange diameter without seal: 2.125 in.
• Height from flange to bottom: 1.08 in.
• Height from flange to top of bridge: 0.78 in.

Detailed Description

Stant OE Type Thermostat 13459 is engineered for Cadillac engines that require a 195 degree thermostat and OE-style temperature control. The stainless steel assembly is built for smooth performance, while the original equipment design helps maintain the factory-style cooling system layout. For buyers searching for a 195 degree thermostat for Cadillac DeVille, Cadillac Fleetwood, Cadillac Eldorado, or Cadillac Commercial Chassis, this part number 13459 provides a direct-fit cooling system service option.

This thermostat is sized with a 0.92 inch bypass plate diameter, a 2.125 inch flange diameter without seal, and compact flange-to-body heights that support proper fitment in the housing. Stant 13459 is a practical choice when replacing an aging engine coolant thermostat in classic Cadillac cooling systems.

Common Cooling Issues Addressed

• Engine running cooler or warmer than the specified 195 degree range
• Delayed coolant flow regulation after startup
• Temperature fluctuation during normal driving
• Replacement of a worn thermostat in a Cadillac cooling system
• Restoring OE-style thermostat operation in classic Cadillac models

Installation Notes and Tips

Verify the required temperature rating and housing dimensions before installation. Confirm the thermostat orientation and gasket sealing surface are clean, and inspect the cooling system for contamination or wear that could affect thermostat performance. For Cadillac DeVille, Eldorado, Fleetwood, Commercial Chassis, and Seville applications, match the OE temperature specification to the vehicle’s cooling requirements.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Stant builds this OE Type Thermostat with durable materials and a stainless steel assembly to support consistent operation in service. Part number 13459 is designed around original equipment specifications for Cadillac cooling system applications.