Moroso 23698 Universal Oil Cooler Sandwich Adapter

The Moroso 23698 is a universal oil cooler sandwich adapter designed to simplify the installation of an external oil cooler on a wide variety of engines. The adapter mounts between the engine block and the existing oil filter, providing dedicated inlet and outlet ports to route engine oil through an external cooler before returning it to the engine.

This type of sandwich adapter is a popular solution for performance builds, towing applications, and any situation where reducing oil temperature is critical to long-term engine health. By keeping oil temperatures in check, the adapter helps maintain proper oil viscosity and lubrication under demanding conditions.

Key Features:

• Universal design fits a wide range of engines and oil filter thread sizes
• Installs between the engine block and existing spin-on oil filter
• Provides inlet and outlet ports for external oil cooler lines
• Helps reduce oil temperatures in high-performance or heavy-duty applications
• Durable construction suitable for sustained high-pressure oil system use
• Compatible with standard AN or NPT oil cooler line fittings
• No permanent engine modifications required for installation

Manufactured by Moroso Performance Products, a trusted name in racing and high-performance automotive components, the 23698 sandwich adapter is an effective and straightforward solution for adding oil cooling capability to virtually any vehicle.