The McFarlane 8000464 Oil Cooler is a FAA-PMA approved rear-mount engine oil cooler manufactured by AERO-Classics and distributed by McFarlane Aviation. Designed as a direct replacement for Continental OEM part numbers 646685 and Niagara 10196A, this oil cooler delivers efficient engine oil temperature control for a wide range of Continental GTSIO-520 series engines.

Featuring an optimized internal oil flow design, the 8000464 provides excellent cooling performance while maintaining low pressure loss. The unit is pressure tested to 400 psig and protected with a MIL-C-5541 Class 1A corrosion-resistant coating, ensuring long service life in demanding aircraft operating environments.

The oil cooler is designed for rear-mount engine installation and includes FAA 8130-3 certification documentation. It is suitable for both certified and many experimental aircraft, offering OEM-quality performance, durability, and reliability. Proper installation using all mounting flanges and correctly supported fittings is recommended to maximize service life and prevent vibration-related damage.

Key Features

 - Part Number: 8000464

 - Manufacturer: AERO-Classics / McFarlane Aviation

 - Component: Rear-Mount Aircraft Engine Oil Cooler

 - FAA-PMA Approved

 - Direct replacement for Continental 646685 and Niagara 10196A

 - Designed for Continental GTSIO-520-C, D, F, H, K, L, M, and N engines

 - Optimized internal oil flow for efficient engine cooling

 - Pressure tested to 400 psig

 - MIL-C-5541 Class 1A corrosion protection

 - FAA 8130-3 documentation included

 - Suitable for certified and many experimental aircraft

 - Approximate Weight: 10.34 lb (≈ 4.69 kg)

 - Two-year manufacturer's warranty