What transmission fluid for 4l60e?

What transmission fluid for 4l60e?


When it comes to the 4L60E transmission, choosing the right transmission fluid is crucial for its optimal performance and longevity. The 4L60E is a popular automatic transmission used in many vehicles, including trucks and SUVs. In this article, we will explore the different types of transmission fluid suitable for the 4L60E and discuss their characteristics and benefits.

Types of Transmission Fluid for 4L60E

Dexron III/Mercon: One of the most commonly recommended transmission fluids for the 4L60E is Dexron III/Mercon. This type of fluid is a high-quality, multi-purpose transmission fluid that meets the specifications for both General Motors (Dexron III) and Ford (Mercon). It offers excellent lubrication properties and helps to maintain smooth shifting and overall transmission performance.

Synthetic Transmission Fluid: Synthetic transmission fluids are becoming increasingly popular due to their superior performance and extended service life. They are specially formulated to provide better lubrication, improved thermal stability, and enhanced protection against wear and tear. Synthetic transmission fluids can help to reduce friction and heat buildup, resulting in smoother shifts and better overall performance. They are often recommended for high-performance vehicles or vehicles subjected to heavy towing or hauling.

Full Synthetic Dexron VI: Dexron VI is the latest specification for General Motors’ automatic transmission fluids. It is a fully synthetic transmission fluid that offers improved oxidation resistance, better low-temperature fluidity, and enhanced friction durability. Dexron VI is backward compatible with previous Dexron specifications, including Dexron III/Mercon, making it suitable for use in the 4L60E transmission.

Choosing the Right Transmission Fluid

When selecting the transmission fluid for your 4L60E, it is crucial to consult your vehicle’s owner’s manual or contact the manufacturer for specific recommendations. The manufacturer’s recommendations take into account factors such as the vehicle’s year, make, model, and any modifications or special requirements.

Additionally, it is essential to consider the operating conditions under which your vehicle will be used. If you frequently tow heavy loads or drive in extreme temperatures, a synthetic transmission fluid may offer better performance and protection. However, if your vehicle is primarily used for regular commuting and light-duty applications, a high-quality conventional transmission fluid like Dexron III/Mercon may be sufficient.


In conclusion, selecting the right transmission fluid for your 4L60E is crucial for maintaining its performance and longevity. Dexron III/Mercon, synthetic transmission fluids, and full synthetic Dexron VI are all suitable options, depending on your vehicle’s specifications and operating conditions. Always refer to your vehicle’s owner’s manual or consult the manufacturer for specific recommendations to ensure optimal performance and protection for your 4L60E transmission.


– gm.com
– ford.com
– valvoline.com