CRP CTA0086 Rein Engine Coolant Thermostat Assembly 87C OE Replacement

The CRP CTA0086 is a Rein-brand engine coolant thermostat assembly engineered to OE specifications with an 87°C (189°F) opening temperature. This complete assembly replaces the factory thermostat housing and thermostat unit as a single, ready-to-install unit, eliminating the need to source components separately.

Manufactured under the Rein Automotive label — CRP's OE-quality replacement parts line introduced to the North American market — this thermostat assembly is designed to match the fit, form, and function of the original factory part. The Rein name, derived from the German word for "pure," reflects the brand's commitment to precision engineering and durability.

Key Features:

• 87°C opening temperature for precise engine coolant regulation
• Complete assembly includes thermostat housing and thermostat unit
• Direct replacement for OE reference 03L121111Q
• Meets or exceeds original equipment material specifications
• Designed for a smooth, straightforward installation
• Backed by CRP's limited warranty against defects in materials and workmanship

Replacing a failing thermostat assembly restores proper coolant flow regulation, helping prevent overheating and protecting long-term engine health. The CRP CTA0086 delivers a reliable, dealer-quality alternative at an aftermarket price point.