Gates 33658 Engine Coolant Thermostat Seal

Reliable Thermostat Seal for Acura, Toyota, and Nissan Vehicles

The Gates Thermostat Seal 33658 is engineered to provide a precise and durable seal for engine coolant thermostats. Designed with exact inside and outside diameters, this grooved, molded thermostat seal ensures a secure fit for a variety of makes and models including Acura, Toyota, Nissan, and more.

• Inside diameter: 2.38 inches
• Outside diameter: 2.68 inches
• Height: 0.21 inches
• Grooved, molded style for enhanced sealing
• Compatible with multiple vehicle makes and models

Product Details and Specifications

The Gates Thermostat Seal 33658 belongs to the Thermostat Seal product line, which focuses on providing reliable sealing solutions for engine coolant thermostats. This seal features a grooved, molded design that helps maintain a tight seal under varying engine temperatures and pressures. With an inside diameter of 2.38 inches and an outside diameter of 2.68 inches, it fits precisely to prevent coolant leaks and maintain optimal engine temperature regulation. The 0.21-inch height ensures proper compression and sealing when installed.

Compatible Vehicles and Applications

This engine coolant thermostat seal is compatible with a wide range of vehicles, including popular models such as the Acura TL, Honda Accord, Toyota 4Runner, Nissan Pathfinder, and Lexus GS400. It is suitable for use in vehicles from manufacturers like Chrysler, Dodge, Hyundai, Infiniti, Kia, Mazda, Mitsubishi, Rolls-Royce, Volvo, and more. The part number 33658 ensures you receive the correct seal for your specific application.

• Prevents coolant leaks around the thermostat housing
• Maintains proper engine temperature regulation
• Reduces risk of engine overheating
• Helps avoid coolant contamination
• Supports efficient engine cooling system performance

Installation Notes and Tips

When installing the Gates Thermostat Seal 33658, ensure the thermostat housing and surrounding surfaces are clean and free of old gasket material or debris. Proper alignment of the seal is critical to avoid leaks. The grooved, molded style of this seal allows for a secure fit, but care should be taken not to over-compress or damage the seal during installation. Refer to vehicle-specific service manuals for torque specifications and installation procedures.

Quality Assurance and Warranty

Gates is a recognized manufacturer of automotive sealing components, and the Thermostat Seal product line is designed to meet OEM specifications for durability and performance. While specific warranty details for part number 33658 may vary, Gates products typically come with a limited warranty against defects in materials and workmanship. Using this seal helps maintain the integrity of your vehicle’s cooling system and supports long-term engine reliability.