URO 06B121121L Engine Coolant Thermostat Housing

The URO 06B121121L Engine Coolant Thermostat Housing is a high-quality aftermarket replacement component designed for Audi and Volkswagen 1.8T engines. This housing serves as the mounting point for the engine thermostat and is a critical component of the vehicle's cooling system.

Key Features:

• Manufactured to OE dimensions for direct bolt-on installation and reliable hose connections
• Constructed from durable composite material designed to resist warping and cracking under extreme temperature conditions
• Includes temperature sensor ports where applicable for proper engine monitoring
• ISO 9000 certified manufacturing ensures consistent quality standards
• Cost-effective alternative to expensive OEM dealership parts
• Located on the left side of the engine block for accessible installation

Over time, exposure to constant engine bay heat and hot coolant flow can cause the ABS plastic housing to become brittle, crack, or fatigue. These failures lead to coolant leaks and potential engine overheating issues. Replacing a deteriorated thermostat housing restores proper cooling system operation and prevents costly engine damage.

Important Notes:

• Does not include thermostat (housing only)
• Requires O-ring seal 059121119 (sold separately)
• Replaces OEM part numbers: 06B121121, 06B-121-121-L, 050121113C, 1J0121321B, 8D0121107C

URO Parts specializes in providing quality replacement components for European vehicles, offering a compelling blend of OE-equivalent performance and value pricing. Each part undergoes rigorous testing to meet or exceed original equipment standards for fitment, function, and durability.