Rein CTA0021 Engine Coolant Thermostat Housing Assembly for Audi A4 1.8T (2002-2006) 038906461B Restores Worn Surfaces: Precision-machined sleeve

Restores Worn Surfaces: Precision-machined sleeve returns shaft seal area to original dimensions

OEM Cross-Reference: Replaces part number 1J0823509E

direct bolt-on replacement with basic tools

Make Model Years Engine Volkswagen Jetta 2013–2015 1

Part Number 852-12236 Engine Fitment 6

Rein CTA0021 Engine Coolant Thermostat Housing Assembly for Audi A4 1.8T (2002-2006) 038906461B Restores Worn Surfaces: Precision-machined sleeveThe 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: