Mishimoto Oil Cooler Kit

2023–2024 Toyota GR Corolla 1.6L 3-Cylinder Turbo

MMOC-GRC-23NTBK

Overview:

The Mishimoto Oil Cooler Kit for the 2023–2024 Toyota GR Corolla is engineered to manage the elevated oil temperatures generated by this high-performance 1.6L turbocharged engine. Designed specifically for the GR Corolla’s demanding powertrain, this kit addresses the common issue of excessive oil heat caused by the engine’s high output and turbocharger stress. By reducing oil temperatures, it helps maintain optimal lubrication and engine reliability during spirited driving or track use.

This oil cooler kit is ideal for enthusiasts who push their GR Corolla hard, whether on the track or during aggressive street driving. It enhances the vehicle’s cooling capacity without compromising daily drivability, ensuring the engine stays within safe operating temperatures under all conditions.

Key Features:

The Mishimoto Oil Cooler Kit combines advanced cooling technology with a direct-fit design to deliver reliable performance improvements:

• Dual-pass 14-row bar-and-plate oil cooler for superior heat dissipation
• Mounts in the upper grille with direct-fit brackets for maximum airflow
• Pre-assembled black nylon-sheathed -10AN braided stainless-steel oil lines for durability and easy installation
• Adds 0.76 quarts of oil to the system, increasing oil volume and cooling capacity
• Dyno-proven average oil temperature reduction of 13 degrees Fahrenheit
• Available with a non-thermostatic sandwich plate optimized for track use and hot climates
• Backed by the Mishimoto Lifetime Warranty for long-term peace of mind

Construction & Design:

The oil cooler features a robust bar-and-plate design constructed from high-quality aluminum to maximize thermal conductivity and resist corrosion. Its 14-row configuration provides an optimal balance between cooling efficiency and compact size, allowing it to fit seamlessly behind the GR Corolla’s upper grille without obstructing airflow to other components.

The included braided stainless-steel lines are wrapped in a black nylon sheath to protect against abrasion and heat, ensuring reliable fluid flow under demanding conditions. The direct-fit brackets are precision-engineered for a secure, vibration-resistant installation that maintains factory-level fit and finish.

Installation & Fitment:

This kit is designed specifically for the 2023–2024 Toyota GR Corolla with the 1.6L turbocharged engine, ensuring a precise fit with no modifications required. Installation is straightforward thanks to the pre-assembled oil lines and direct-fit mounting hardware. The cooler installs in the upper grille area, maximizing airflow and cooling efficiency while maintaining the vehicle’s factory appearance.

Whether upgrading a daily driver or preparing a dedicated track car, this kit integrates seamlessly with the GR Corolla’s existing oil system to provide enhanced thermal management.

What's Included:

• 14-row dual-pass bar-and-plate oil cooler
• Pre-assembled black nylon-sheathed -10AN braided stainless-steel oil lines
• Non-thermostatic oil filter sandwich plate
• Direct-fit mounting brackets for upper grille installation
• All necessary hardware and fittings for complete installation

Ideal For:

This Mishimoto Oil Cooler Kit is perfect for GR Corolla owners who demand consistent engine performance under high-stress conditions. It is especially suited for:

• Track enthusiasts and racers seeking to prevent oil overheating
• Drivers in hot climates where oil temperatures tend to rise quickly
• Owners who want to extend engine life by maintaining optimal oil temperatures
• Anyone looking to improve the thermal management of their GR Corolla without sacrificing daily drivability

Mishimoto is a performance cooling brand offering aluminum radiators, intercoolers, oil coolers, hoses, and supporting hardware built to manage heat on hard-driven street and track vehicles. For boosted setups and towing/off-road rigs alike, Mishimoto upgrades are designed to increase cooling capacity and reliability where factory systems can become a limitation.