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Overview

What is a Auxiliary Coolers?

An auxiliary (AUX) oil cooler in a passenger car or heavy-duty truck enhances the cooling of engine or transmission oil by dissipating excess heat, maintaining optimal oil temperature. This ensures consistent lubrication, reduces wear, and prevents overheating. It improves performance and efficiency, extends component life, and offers crucial protection under heavy loads or demanding conditions like towing or high-performance driving.

What does it do for a vehicle?

An AUX oil cooler dissipates excess heat, circulates hot oil through the cooler for cooling, and regulates oil temperature to maintain optimal lubrication.

Why is this part important for the car's proper operation?

The AUX oil cooler is crucial for a car's proper operation because it ensures optimal oil temperature for consistent lubrication, reduces wear on components, extends engine and transmission lifespan, improves efficiency, protects under heavy loads, and enhances towing capability.

Why the right quality matters?

A quality Auxiliary Oil Cooler is important to insure OE performance, as the vehicle's engine and transmission rely on proper cooling.  Improper cooling can damage internal components, leading to costly repairs.

REACH Automotive Auxiliary Coolers Knowledge Base

Auxiliary Cooler Installation Guide

Quick reference guide to Auxiliary Cooler

Auxiliary Cooler Warranty

Industry Leading two-year unlimited mileage warranty

Auxiliary Cooler Media Material

REACH Heater Cores Product Information

Auxiliary Cooler Training Course

REACH 16 Courses learn about Auxiliary Cooler

REACH Automotive Auxiliary Cooler Design and Improvements

Heat Dissipation

The auxiliary oil cooler is a heat exchanger that provides additional airflow to dissipate excess heat from engine or transmission oil.

Oil Circulation

Hot oil from the engine or transmission is routed through the cooler, where it is cooled before being recirculated back into the system.

Temperature Regulation

Helps maintain the oil's optimal temperature, preventing it from becoming too hot and losing its lubricating properties.

Product Coverage

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Vehicles in the market covers

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Heavy Duty in the market covers

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Total VIO

We provide coverage for all vehicle types

HEV

Hybrid Electric Vehicle

ICE

Internal Combustion Engine

PHEV

Plug-in Hybrid Electric Vehicle

BEV

Battery Electric Vehicle