Rein CTA0021 Engine Coolant Thermostat Housing Assembly for Audi A4 1.8T (2002-2006) Engine Camshaft Position Sensor 4V8 BMW X5 2014–2018 4

4V8 BMW X5 2014–2018 4

6L4 Volkswagen Scirocco 1985–1988 1

Manufactured to OEM standards for a perfect fit

This Behr expansion tank (part 376755031) is designed for Audi A4

Rein CTA0021 Engine Coolant Thermostat Housing Assembly for Audi A4 1.8T (2002-2006) Engine Camshaft Position Sensor 4V8 BMW X5 2014–2018 4The Rein Engine Coolant Thermostat Housing Assembly (CTA0021) is a high quality replacement for Audi A4 models with 1. 8L 4 cylinder engine from 2002 to 2006. Featuring an integrated thermostat, this assembly regulates coolant flow to maintain optimal engine temperature, preventing overheating and engine damage. Built to meet or exceed OEM specifications with premium materials for long lasting durability. Key Features & Benefits Integrated Thermostat: