Derale Performance 25702 Universal Thermostatic Sandwich Adapter 3/8" NPT 180°F

The Derale Performance 25702 is a universal thermostatic sandwich adapter designed to enable the installation of an external engine oil cooler. This adapter installs between the engine's stock oil filter mounting surface and the oil filter, providing a convenient connection point for oil cooler lines without requiring permanent modifications to the engine block.

Key Features:

• High-quality die-cast aluminum construction for durability and heat dissipation
• Built-in 180°F thermostat automatically regulates oil flow to the cooler
• Dual 3/8" NPT threaded ports for oil line connections
• 2-3/4" O-ring diameter fits most common oil filter applications
• Sandwich-style design installs between filter landing and oil filter
• Allows oil to bypass cooler until engine reaches optimal operating temperature

This thermostatic sandwich adapter is ideal for vehicles that require supplemental oil cooling during performance driving, towing, or hot weather conditions. The integrated thermostat ensures oil reaches proper operating temperature before routing through the external cooler, promoting engine longevity and optimal lubrication.