Caterpillar 5I-7863 Oil Cooler Core Assembly

The 5I-7863 oil cooler core is a direct replacement for Caterpillar 3064 series engines used in 311, 312 hydraulic excavators and 910G wheel loaders. This aluminum plate-fin heat exchanger maintains optimal engine oil temperature under high-load operating conditions. The core assembly integrates with the engine oil filter housing and coolant circuit to provide consistent thermal management. Cross-references include CA5I7863 and 0947073. Compatible with Caterpillar 3064 and 3064T engine configurations. Designed to meet OEM fit, form, and function specifications for construction machinery cooling systems.