Rein CTU0049 Upgraded Aluminum Thermostat Assembly

The Rein CTU0049 is an upgraded aluminum thermostat assembly engineered as a direct-fit replacement for the factory engine coolant thermostat. This unit features a cast aluminum housing that replaces the failure-prone factory plastic design, delivering improved durability and resistance to heat and pressure-related failure common in original equipment components.

Key Features:

• Aluminum housing construction — replaces factory plastic thermostat housings prone to cracking and warping
• OE-matched specifications — calibrated to maintain proper engine operating temperature with a consistent, precise response
• Direct-fit design — engineered to match original equipment tolerances for straightforward installation
• Complete assembly — includes all necessary components for a proper replacement
• OE cross-reference numbers: LR032135, C2Z19929

Rein is a brand of CRP Automotive, a trusted supplier of OE-quality replacement parts for European import vehicles. The CTU0049 thermostat assembly addresses common cooling system vulnerabilities by upgrading factory plastic components to a more durable metal alternative, helping prevent repeat cooling system failures and extending service life.