Enhance Your Mercury Mariner's Performance with a Premium Voltage Regulator Rectifier • Optimal Charging Protection: This voltage regulator rectifier is designed to prevent overcharging of your battery, effectively improving the charging capability of your Mercury Mariner. It ensures your battery remains in optimal condition, extending its lifespan. • Advanced Cooling Design: Featuring heat sink fins, this regulator rectifier is engineered for superior cooling. This design promotes a long service life by efficiently dissipating heat, ensuring stable and reliable performance even under demanding conditions. • Efficient Voltage Dissipation: Built with solid-state electronic components, this regulator rectifier effectively dissipates excess voltage, safeguarding your electrical system from potential damage and maintaining optimal functionality. • Perfect OEM Fit: Manufactured to original equipment standards, this regulator rectifier is a perfect match for your Mercury Mariner. It seamlessly integrates into your system, providing hassle-free installation and restoring your vehicle's original performance. • Direct Replacement Part: Replace OE part numbers 815279-3 and 883072T with this high-quality regulator rectifier. It offers a reliable solution to update or repair your current system, ensuring continued efficiency and safety. Upgrade your Mercury Mariner with this durable voltage regulator rectifier, designed to enhance charging efficiency and protect your electrical system. Its robust construction and precise fit make it an essential component for maintaining your vehicle's performance and reliability.