Part Number: 27002-AT001

Description: Transfer Case Oil Cooler Kit

Fitment: 23+ Toyota GR Corolla

Details:

Built for the circuit, engineered for precision.

The HKS Transfer Cooler keeps transfer oil temperatures in check during aggressive driving — without compromising cooling performance elsewhere.

Pipe-style cooler avoids airflow blockage to radiator/intercooler

High-load electric oil pump with overcurrent protection

Special banjo outlet with sensor port for easy servicing

Compatible with TRACK mode (for vehicles with the control cancellation program)

Important Notes:

Designed for circuit use — keep the pump OFF during daily driving

Only operate when oil temp is above 60°C to avoid overloading

Use HKS G900 75W-90 or stock transfer oil (do not use thicker oil)

Vehicles without the proper control program: do NOT connect the 4WD switch — may disable 4WD

Vehicle modifications may be required for installation:

— GR Corolla: bumper reinforcement, intercooler air guide, undercover duct