Four Seasons 86204 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Chevrolet and GMC

The Four Seasons Thermostat Housing 86204 is designed to provide precise temperature regulation for your engine's cooling system. Engineered for Chevrolet and GMC models including Canyon, Colorado, Express 2500, Express 3500, Savana 2500, and Savana 3500, this integrated thermostat housing ensures consistent performance and durability.

• Constructed from durable plastic material for corrosion resistance
• Includes gasket and thermostat for complete installation
• Two mounting holes with 2.6-inch bolt hole center spacing
• Inlet port diameter of 1.500 inches for proper coolant flow
• Flange thickness of 0.987 inches for secure sealing
• Overall height of 6.480 inches to fit specified vehicle models
• Meets or exceeds OEM specifications for reliable fit and function
• Integrated thermostat housing style simplifies installation

About the Four Seasons Thermostat Housing Product Line

The Four Seasons Thermostat Housing line focuses on engine coolant components designed to maintain optimal engine temperature. This product line integrates the thermostat within the housing, reducing potential leak points and streamlining the cooling system assembly. The 86204 model is part of this line, offering a complete solution with included thermostat and gasket to ensure proper sealing and temperature control.

Detailed Product Description

This engine coolant thermostat housing is made from high-quality plastic, providing resistance to corrosion and heat. The integrated thermostat housing design includes the thermostat itself, which helps regulate coolant flow based on engine temperature. The included gasket ensures a tight seal between the housing and engine block, preventing leaks. With two mounting holes spaced 2.6 inches apart, installation aligns precisely with the engine’s mounting points. The 1.500-inch inlet port diameter supports efficient coolant circulation, while the flange thickness of 0.987 inches contributes to a secure fit. Overall height of 6.480 inches is engineered to match the cooling system layout of compatible Chevrolet and GMC vehicles.

Common Applications and Issues Addressed

• Replacement for faulty or leaking thermostat housings in Chevrolet Canyon and Colorado models
• Restores proper engine temperature regulation in GMC Express 2500 and 3500 vans
• Prevents coolant leaks and overheating in Savana 2500 and 3500 vehicles
• Addresses thermostat failure symptoms such as engine overheating or poor heater performance
• Improves cooling system reliability by replacing worn or damaged components

Installation Notes and Tips

• Ensure engine is cool before beginning installation to avoid burns
• Remove old thermostat housing and clean mounting surface thoroughly
• Use the included gasket to prevent coolant leaks and ensure a proper seal
• Torque mounting bolts to manufacturer specifications to avoid damage
• Check coolant levels and bleed air from the cooling system after installation

Quality Assurance and Warranty

The Four Seasons Thermostat Housing 86204 meets or exceeds OEM standards, ensuring compatibility and reliable performance for specified Chevrolet and GMC models. The product includes a thermostat and gasket for a complete replacement solution. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards for engine coolant components.