Gates 34059S Engine Coolant Thermostat

Reliable Engine Cooling with Gates Premium Thermostat 34059S

The Gates Premium Thermostat 34059S 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 precise temperature regulation and efficient cooling system performance.

• Constructed from stainless steel and copper for durability and corrosion resistance
• Bottom by-pass design with a jiggle pin weep hole for effective coolant flow
• O-ring seal type providing a secure, leak-free fit
• Starts to open at 190°F (88°C) for accurate temperature control
• Compatible with multiple Chrysler, Dodge, Jeep, and Ram models including 300, 1500, 2500, 3500, Grand Cherokee, Charger, and more

About the Gates Premium Thermostat Product Line

The Premium Thermostat line by Gates focuses on delivering reliable engine temperature management through precision-engineered components. This product line emphasizes quality materials such as stainless steel and copper, combined with design features like bottom by-pass flow and jiggle pin weep holes to enhance coolant circulation and prevent overheating. The 34059S model exemplifies these standards, providing consistent performance for a range of Chrysler, Dodge, Jeep, and Ram vehicles.

Detailed Product Description

The Gates 34059S engine coolant thermostat features a bottom by-pass design that allows coolant to circulate even when the thermostat is closed, reducing hot spots and improving engine warm-up times. Its stainless steel and copper construction offers resistance to corrosion and wear, extending the thermostat’s service life. The thermostat includes one jiggle pin weep hole to prevent air locks and ensure smooth coolant flow. With a sealing flange outside diameter of 2.48 inches and a height of 2.3 inches, it fits precisely within the cooling system housing. The O-ring seal type ensures a tight, leak-free installation without the need for additional gaskets.

Compatible Vehicles and Applications

• Chrysler 300, Aspen
• Dodge Challenger, Charger, Durango
• Jeep Commander, Grand Cherokee
• Ram 1500, 1500 Classic, 2500, 3500, Magnum

This thermostat is designed to regulate engine temperature by opening at 190°F (88°C), helping to maintain efficient engine operation and prevent overheating or overcooling.

Common Issues Addressed by Gates 34059S Thermostat

• Engine overheating due to thermostat failure
• Inconsistent engine temperature regulation
• Coolant leaks caused by worn seals
• Slow engine warm-up times
• Air pockets in the cooling system affecting coolant flow

Installation Notes and Tips

The Gates 34059S thermostat does not include an installation tool, so ensure you have the appropriate tools for removal and installation. Verify the O-ring seal is properly seated to prevent leaks. The bottom by-pass design requires correct orientation during installation to function as intended. Always drain coolant before removal and refill with the recommended coolant type after installation. Check for any signs of wear or damage in the housing before installing the new thermostat.

Quality Assurance and Warranty

Gates Premium Thermostats are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 34059S model is backed by Gates’ quality standards, providing confidence in fitment and function for compatible Chrysler, Dodge, Jeep, and Ram vehicles. Please refer to Gates’ official warranty policy for specific coverage details.