Precision Cooling System ThermostatEngineered for Buick Enclave and Regal 3.0 models, this OE-compatible thermostat (OE# 12651113, 12638893) ensures optimal engine temperature control and prevents overheating. Designed as a direct replacement for factory components, it integrates seamlessly into existing cooling systems.
Key Features:✅ OE-Spec Fitment: Laser-validated dimensions for perfect compatibility with OE# 12651113/12638893.✅ 103°C Thermal Regulation: High-sensitivity wax element ensures rapid response to temperature changes.✅ Durable Construction: CNC-machined aluminum housing with reinforced silicone gasket for leak-proof reliability.✅ Certified Quality: ISO 9001-certified production with thermal cycling and pressure resistance tests.
Applications:
Ideal for cooling system repairs on Buick Enclave (2008–2017) and Regal 3.0 (2005–2012) models.
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