GM 88861800 fluid is a type of automatic transmission fluid designed for General Motors vehicles. However, due to the specific properties and unique formulation, the fluid is quite expensive and not readily available.
That’s why many GM owners have looked for equivalent options.
If you are in that case, you are in the right place!
This article provides you with a review of 3 popular and safe products to GM 88861800 from ACDelco, Mobil 1, and Valvoline. By the end of this quick read, I’m sure that you can choose the right fluid for your car
Let’s get started!
GM 88861800 Equivalent
Dexron III or Dexron VI?
To make it short, if GM 88861800 fluid is not available, Dexron III is a suitable alternative. Dexron III is formulated to the same specifications as GM 88861800 fluid and can provide the same superior performance in terms of lubrication, cooling, and other factors.
However, it is important to note that Dexron VI is not a suitable substitute for GM 88861800 fluid. Dexron VI was formulated to address the needs of automatic transmissions built after 2005; these transmissions require a different set of characteristics than those that were built before 2005. GM 88861800 fluid is not formulated with the same chemical composition as Dexron VI, and using Dexron VI in place of GM 88861800 fluid can lead to the failure of the vehicle components.
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Genuine GM Fluid 88861800 Manual Transmission Fluid
Genuine GM Fluid 88861800 Manual Transmission Fluid is a high-quality lubricant that is expressly designed for use in manual transmissions and transaxles of General Motors vehicles. This fluid is formulated to meet the rigorous standards of GM and is compatible with a wide range of GM manual transmissions. It is a versatile and reliable fluid that provides optimal performance and protection to the transmission system.
High-Quality Composition
One of the key features of Genuine GM Fluid 88861800 Manual Transmission Fluid is its high-quality composition. It is a synthetic fluid that is designed to deliver superior protection against wear and tear, corrosion, and oxidation. This fluid is designed to maintain its performance even under extreme conditions, making it ideal for use in high-performance vehicles. Additionally, it is resistant to viscosity breakdown, which ensures that it maintains its lubricating properties over time.
Optimal Protection for Transmission
Another benefit of Genuine GM Fluid 88861800 Manual Transmission Fluid is its compatibility with GM motors. This fluid has been specifically formulated to meet the requirements of GM vehicles, ensuring that it provides optimal performance and protection to the transmission system. It is a recommended fluid for use in a wide range of GM vehicles, including those with manual transmissions and transaxles.
Superior Lubrication Ability
One of the key benefits of using Genuine GM Fluid 88861800 Manual Transmission Fluid is that it helps prolong the life of the transmission system. This fluid provides superior lubrication to the moving parts of the transmission, which helps reduce wear and tear. It also helps to prevent the buildup of harmful deposits, which can cause damage to the transmission over time. By using this fluid, you can help ensure that your GM vehicle’s transmission system remains in top condition for years to come.
Valvoline DEX/MERC (ATF) Automatic Transmission Fluid

Mobil Vactra No. 2
Valvoline DEX/MERC (ATF) Automatic Transmission Fluid is a high-quality transmission fluid recommended for use in various vehicles. This fluid is specially formulated to provide superior performance in various conditions, ensuring your vehicle’s transmission operates smoothly and efficiently. Let’s see the features and benefits that make it compatible with GM motors.
Excellent Protection Against Friction
The advanced additives in Valvoline DEX/MERC (ATF) help to reduce friction between transmission components. This is essential for maintaining the performance and longevity of your transmission. By reducing wear and tear on gears, bearings, and other critical components, Valvoline DEX/MERC (ATF) ensures that your transmission operates at its best for longer. Whether driving in stop-and-go traffic or cruising on the highway, Valvoline DEX/ MERC (ATF) protects your transmission needs.
Excellent Performance In Extreme Temperature
Automatic transmission fluid also can provide excellent performance in extreme temperatures. This ATF is designed to perform well in cold and hot weather conditions. It ensures that the transmission system remains functional regardless of the weather conditions. This is particularly important for GM vehicles used in locations with extreme weather conditions.
Smooth Shifting Performance
Another benefit of Valvoline DEX/MERC (ATF) is its ability to provide smooth shifting performance. This fluid is designed to provide excellent friction control. This helps to ensure smooth and precise shifting, even under heavy loads or high temperatures. It can help improve the overall driving experience and reduce driver fatigue.
Oxidation Resistance Against Harmful Deposits
Valvoline DEX/MERC (ATF) is also formulated to provide excellent oxidation resistance. This helps prevent harmful deposits and sludge formation in the transmission. It also ensures that the transmission operates at peak efficiency, which can help improve fuel economy and reduce emissions.
Mobil 1 Synthetic Automatic Transmission Fluid

Mobil Vactra No. 2
Mobil 1 Synthetic Automatic Transmission Fluid is a highly advanced, fully synthetic lubricant that provides superior performance and protection for automatic transmissions. This high-quality ATF is formulated with advanced additives and synthetic base oils to provide exceptional wear protection and resistance to deposit formation.
If you want a recommended ATF for GM 88861800, Mobil 1 Synthetic Automatic Transmission Fluid is an excellent choice. This ATF is formulated to meet the demanding requirements of GM’s Dexron III specification, which is the recommended specification for GM 88861800. Mobil 1 Synthetic ATF has been rigorously tested by GM and has been approved for use in a wide range of GM vehicles, including those equipped with the 88861800 transmission.
Anti-Wear Additives
One of the key benefits of Mobil 1 Synthetic Automatic Transmission Fluid is its ability to provide excellent wear protection. This ATF has been formulated with advanced anti-wear additives that help reduce wear on critical transmission components, such as gears and bearings. This can extend the life of your transmission and improve its overall performance.
Outstanding Thermal Stability
Another benefit of Mobil 1 synthetic automatic transmission fluid is its exceptional thermal stability. This ATF is designed to withstand extreme temperatures and maintain its performance even under the most demanding conditions. It also helps to prevent the formation of harmful deposits and sludge, which can reduce the efficiency of your transmission and cause premature wear.
Excellent Shift Quality
In addition to its superior performance and protection, Mobil 1 synthetic automatic transmission fluid provides excellent shift quality and smoothness. This ATF has been optimized for use in modern, electronically controlled transmissions and can help to improve the overall driving experience of your vehicle.
Effective Compatibility
For GM 88861800, Mobil 1 Synthetic ATF is a recommended ATF that provides exceptional performance and protection. This ATF is fully compatible with GM 88861800 specifications and meets or exceeds industry standards for performance and quality. Mobil 1 Synthetic ATF is also suitable for a wide range of other automatic transmissions, making it a versatile and reliable choice for any vehicle.
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Conclusion
While it may be tempting to use an aftermarket fluid when the original is unavailable, it is always better to stick with OEM fluid. Specifically recommended is ACDelco when it comes to your GM vehicle. This will help ensure you get the best possible performance, protection, and longevity for your vehicle.
What is your favorite product? Could you share with us in the comment box below?
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