MQ300229 Mitsubishi OIL COOLER,T/M, Price: 301.95$, Weight: 1kg

Automatic Transmission Oil Cooler Assembly ?️

This component is essential for keeping transmission fluid temperature under control during heavy traffic, towing, hot weather, or long highway runs. By removing excess heat from the fluid, it helps the gearbox shift smoothly, protects internal clutches, and extends the life of seals and bearings.

How It Works ?

Hot transmission fluid circulates through the cooler core where heat is transferred away (typically into air flow or the engine cooling circuit, depending on design). Cooler fluid returns to the transmission, maintaining stable viscosity and lubrication so hydraulic pressure stays correct for clean gear changes.

Why You Need a Healthy Cooler ✅

Transmission fluid that runs too hot oxidizes quickly, turning darker and losing its protective film. A good cooler prevents overheating, reduces varnish buildup, and helps avoid premature wear on valve body passages and friction plates.

Symptoms If It’s Failing ⚠️

Common results of a broken or blocked cooler

• Delayed or harsh shifting
• Overheating warnings or burning ATF smell
• Fluid leaks at fittings or core
• Transmission slipping and accelerated clutch damage

If ignored, excessive heat can lead to internal gearbox failure and costly rebuilds. Replacing a weak cooler early is cheap insurance for your transmission.

Compatibility ?

• Carnival 24 (2024-)