Gates 33677 Engine Coolant Thermostat Seal

Gates 33677 Thermostat Seal Overview

The Gates 33677 thermostat seal is a rubber-clad aluminum seal built to sit securely around the thermostat valve and help prevent coolant leakage. It is a direct-fit sealing component for cooling system service on select Chrysler, Dodge, and Jeep applications, including Jeep Wrangler, Dodge Avenger, Chrysler Pacifica, and Town & Country.

Gates Thermostat Seal 33677 is part of the Green Stripe Heavy-Duty line, which focuses on durable sealing components for cooling system repairs. The rubber-clad aluminum construction supports a tight seal at the thermostat housing interface, helping maintain proper coolant containment during thermostat replacement or cooling system maintenance.

Key Features

• Part number: 33677
• Engine coolant thermostat seal for cooling system service
• Rubber-clad aluminum style for secure sealing performance
• Inside diameter: 1.71 in.
• Outside diameter: 2.58 in.
• Height: 0.09 in.
• Fits select Jeep Wrangler, Dodge Avenger, Chrysler Pacifica, Chrysler Town & Country, Dodge Caravan, Dodge Grand Caravan, and Chrysler Voyager applications

Detailed Description

This Gates thermostat seal is engineered for applications that require a precise seal around the thermostat valve to reduce the risk of coolant seepage. The listed dimensions, including the 1.71-inch inside diameter and 2.58-inch outside diameter, help identify the correct seal for the intended thermostat housing. For buyers searching for a thermostat seal for 2010-2011 Jeep Wrangler or 2001-2006 Dodge Grand Caravan cooling system repair, Gates 33677 provides a focused replacement option. It also cross-references Autolite 1113 for the same application.

What It Helps Address

• Coolant leakage at the thermostat valve or housing seal surface
• Seepage after thermostat replacement
• Loss of sealing integrity in aging cooling system components
• Maintenance needs on Chrysler, Dodge, and Jeep thermostat service jobs

Installation Notes and Tips

• Verify thermostat seal dimensions against the original part before installation.
• Inspect the thermostat housing and mating surfaces for corrosion, debris, or damage.
• Clean the sealing area thoroughly so the rubber-clad aluminum seal seats evenly.
• Confirm vehicle application by year, make, and model before ordering; this part fits 2010-2011 Jeep Wrangler, 2010 Dodge Avenger, 2004-2007 Chrysler Pacifica, 2001-2006 Chrysler Town & Country, 2001-2006 Dodge Caravan, 2001-2006 Dodge Grand Caravan, and 2001-2005 Chrysler Voyager.

Quality Assurance

Gates is known for cooling system sealing components used in automotive repair and maintenance. The Green Stripe Heavy-Duty thermostat seal line is built for secure fitment around the thermostat valve, supporting dependable sealing performance in the specified applications.