Gates 34253 Engine Coolant Thermostat

Reliable Engine Cooling with Gates OE Type Thermostat 34253

The Gates OE Type Thermostat 34253 is engineered to maintain optimal engine temperature for Chrysler, Dodge, Jeep, and Ram vehicles. Designed with durable materials and precise specifications, this engine coolant thermostat ensures consistent performance and reliable operation.

• Constructed from stainless steel, copper, steel, and brass for durability
• OE Type Thermostat design with bottom by-pass for efficient coolant flow
• Sealing flange outside diameter approximately 2.48 to 2.5 inches
• Height between flanges around 1.61 inches with overall height near 2.3 inches
• Includes a jiggle pin weep hole and O-ring rubber seal for leak prevention
• Start to open temperature at 180°F (82°C) for precise engine temperature control
• Compatible with multiple Chrysler, Dodge, Jeep, and Ram models including 300, 1500, 2500, 3500, Aspen, Challenger, Charger, Commander, Durango, Grand Cherokee, Magnum, and Ram trucks

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line from Gates is designed to meet original equipment specifications, providing reliable engine temperature regulation and compatibility with factory cooling systems. This product line focuses on precise fitment and performance, making it suitable for direct replacement in a variety of Chrysler, Dodge, Jeep, and Ram vehicles. The 34253 thermostat maintains OE performance standards, ensuring proper coolant flow and engine protection.

Product Details and Specifications

This engine coolant thermostat features a bottom by-pass design that allows coolant to circulate even when the thermostat is closed, helping to prevent hot spots and improve engine warm-up times. The sealing flange outside diameter measures between 2.48 and 2.5 inches, with a flange thickness of 0.05 inches. The thermostat height ranges from 2.29 to 2.36 inches, with a height between flanges of 1.61 inches. It includes one jiggle pin/check valve and a single O-ring rubber seal to ensure a secure, leak-free installation. The thermostat begins to open at 180°F (82°C), regulating engine temperature effectively under normal operating conditions.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating coolant flow
• Helps avoid engine damage caused by improper temperature control
• Reduces coolant leaks with durable O-ring seal and jiggle pin design
• Improves engine warm-up time with bottom by-pass coolant circulation
• Restores proper thermostat function in Chrysler, Dodge, Jeep, and Ram vehicles

Installation Notes and Tips

The Gates OE Type Thermostat 34253 does not include an installation tool, so ensure you have the appropriate tools for removal and installation. Verify the sealing flange dimensions and gasket quantity (none included) before installation. Properly seat the O-ring seal to prevent leaks and confirm the jiggle pin is unobstructed for correct operation. This thermostat is designed for direct replacement in compatible Chrysler, Dodge, Jeep, and Ram models listed in the fitment.

Quality Assurance and Warranty

Gates OE Type Thermostats are manufactured to meet original equipment standards, ensuring reliable performance and durability. The 34253 thermostat is constructed from high-quality stainless steel, copper, steel, and brass materials to withstand engine operating conditions. While specific warranty details are not provided, Gates products typically come with a limited warranty covering defects in materials and workmanship.