Oil Pump Fitting R4 16AN

The Oil Pump Fitting R4 16AN from Peterson Fluid is a precision-engineered adapter designed for high-performance engine oil system integration. This fitting is ideal for automotive enthusiasts and professional mechanics who require reliable connections in custom cooling and lubrication setups. It serves as a critical interface between your oil pump and ancillary systems, ensuring clean, leak-free connections in demanding conditions.

Featuring a 16AN port size, this adapter delivers the necessary flow characteristics and thread geometry for modern high-volume oil delivery systems. The fitting is designed to accommodate substantial oil volume with minimal pressure drop, making it suitable for remote-mounted filters, external coolers, and sandwich-block installations. Precision machining ensures compatibility with braided stainless or rubber hose without galling.

Professional engine builders and DIY tuners will find this fitting particularly beneficial when assembling complete oil systems for turbo installations, dry-sump conversions, or independent cooling setups. Its compact size of 1.85 x 1.5 x 2.95 inches fits well in tight engine bays, making it a versatile choice for various performance applications. Weighing only 0.09 pounds, it offers durability without adding unnecessary mass.