Gates 34253S Engine Coolant Thermostat

Reliable Engine Cooling with Gates Premium Thermostat 34253S

The Gates Premium Thermostat 34253S is engineered to maintain optimal engine temperature for Chrysler, Dodge, Jeep, and Ram vehicles. Designed with durable stainless steel and copper materials, this engine coolant thermostat ensures consistent performance and longevity in demanding driving conditions.

• Constructed from stainless steel and copper for durability
• Bottom by-pass design with a jiggle pin weep hole for efficient coolant flow
• Sealing flange outside diameter of 2.49 inches and height of 2.31 inches
• O-ring seal type with one seal included for secure installation
• Starts to open at 180°F (82°C) to regulate engine temperature precisely
• Compatible with multiple Chrysler, Dodge, Jeep, and Ram models

Product Line Overview: Gates Premium Thermostat

The Gates Premium Thermostat line focuses on delivering reliable temperature regulation through high-quality materials and precise engineering. This thermostat model 34253S features a bottom by-pass design that helps maintain proper coolant circulation, reducing engine overheating risks. The inclusion of a jiggle pin weep hole aids in air bleeding, enhancing cooling system efficiency. This product line is tailored for professional-grade performance in a variety of vehicle applications.

Detailed Product Description

The Gates 34253S thermostat is designed with a bottom by-pass configuration, allowing coolant to circulate even when the thermostat is closed, which helps prevent hot spots in the engine. Its stainless steel and copper construction provides corrosion resistance and thermal conductivity, essential for maintaining stable engine temperatures. The thermostat opens at 180°F (82°C), ensuring the engine reaches optimal operating temperature before coolant flow increases. The O-ring seal and single jiggle pin improve sealing and air venting, contributing to reliable operation without leaks. This thermostat fits a range of Chrysler, Dodge, Jeep, and Ram models including the 300, 1500 Classic, 2500, 3500, Aspen, Challenger, Charger, Commander, Durango, Grand Cherokee, Magnum, and Ram 1500, 2500, and 3500 trucks.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating coolant flow
• Reduces engine warm-up time for improved efficiency
• Helps avoid coolant leaks with O-ring seal design
• Maintains consistent engine temperature under varying loads
• Supports proper coolant circulation to prevent hot spots

Installation Notes and Tips

This thermostat does not include an installation tool, so ensure you have the appropriate tools for removal and installation. Verify the sealing flange dimensions and gasket requirements before installation, as this model does not include gaskets. Properly align the thermostat with the bottom by-pass design and confirm the jiggle pin is positioned correctly to allow air venting. Always replace the thermostat when performing cooling system maintenance on compatible Chrysler, Dodge, Jeep, or Ram vehicles.

Quality Assurance and Warranty

Gates Premium Thermostats are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The use of stainless steel and copper materials enhances corrosion resistance and thermal efficiency. While specific warranty details for part number 34253S should be confirmed with the supplier, Gates products typically come with a limited warranty covering defects in materials and workmanship.