When it comes to maintaining a Dodge vehicle, one question that often pops up is about the type and color of coolant to use.
Dodge primarily uses orange Mopar OAT coolant (MS-12106) for vehicles post-2013. Older models may use yellow or pink HOAT coolant (MS-9769). Always check the owner’s manual for the correct specification.
This article dives into the specifics of the coolant used in Dodge vehicles, focusing on its color, type, specifications, and best practices for maintenance, based on information from reliable sources and manufacturer guidelines.
Understanding Coolant and Its Role
Coolant is a liquid that circulates through your vehicle’s cooling system, absorbing heat from the engine and dissipating it through the radiator.
It also prevents freezing in cold climates and protects against corrosion and scale buildup inside the engine and radiator.
Coolants come in different formulations, and their colors often indicate their chemical composition and compatibility with specific vehicles.
Dodge, like many automakers, has specific requirements for the coolant used in its vehicles. These requirements are tied to the engine’s design and materials, as well as the vehicle’s overall cooling system.
Using the correct coolant ensures optimal performance and longevity, while the wrong one can cause issues like clogged radiators, overheating, or even engine failure.
The Coolant Dodge Uses: OAT-Based Mopar Antifreeze
Dodge vehicles, particularly those manufactured after 2013, predominantly use a specific type of coolant known as Organic Acid Technology (OAT) antifreeze.
The manufacturer-recommended coolant for most modern Dodge models is Mopar Antifreeze/Coolant, which meets Chrysler’s MS-12106 specification.
This coolant is designed to work with Dodge’s engines, providing long-lasting protection and compatibility with the materials used in their cooling systems.
The Mopar Antifreeze/Coolant is typically orange or bright orange in color. This vibrant hue is a key identifier for Dodge owners looking to top off or replace their coolant.
The orange color distinguishes it from other coolant types, such as the green Inorganic Acid Technology (IAT) coolants used in older vehicles or the pink or purple coolants found in some other brands.
Why Orange?
The orange color of Mopar’s OAT coolant is not just for aesthetics—it signals a specific chemical makeup. OAT coolants are free of silicates, phosphates, and borates, which are common in older IAT coolants.
These additives can sometimes cause buildup or corrosion in modern engines, especially those with aluminum components, which are common in Dodge vehicles.
The silicate-free formula of OAT coolant provides better protection for these engines and extends the service life of the coolant, often up to 10 years or 150,000 miles under normal driving conditions.
Model-Specific Coolant Requirements
While the orange Mopar OAT coolant is standard for most Dodge vehicles post-2013, the exact requirements can vary slightly depending on the model and year. Below is a breakdown of some popular Dodge models and their coolant specifications, based on information from automotive forums, repair manuals, and Chrysler’s recommendations:
- Dodge Ram (2013–Present): Most Dodge Ram trucks, including the 1500, 2500, and 3500, use the orange Mopar OAT coolant (MS-12106). This applies to both gas and diesel engines, such as the 5.7L HEMI and the 6.7L Cummins. However, some older Ram models (pre-2013) may use a Hybrid Organic Acid Technology (HOAT) coolant, which is typically yellow or pink and meets Chrysler’s MS-9769 specification.
- Dodge Charger and Challenger (2013–Present): These performance vehicles, equipped with engines like the 3.6L V6, 5.7L HEMI, or 6.4L HEMI, also rely on the orange Mopar OAT coolant. The same applies to high-performance SRT models, which require the MS-12106 coolant to handle the intense heat generated by their engines.
- Dodge Durango (2013–Present): The Durango, whether equipped with a V6 or V8 engine, uses the same orange OAT coolant as other modern Dodge models. Its cooling system is designed to work with the MS-12106 specification for optimal performance.
- Dodge Grand Caravan and Journey: These family-friendly vehicles also use the orange Mopar OAT coolant for models produced after 2013. Older models (pre-2013) may require the yellow or pink HOAT coolant, so it’s critical to check the owner’s manual or consult a dealer for confirmation.
For older Dodge vehicles (pre-2013), such as the Dodge Neon, Avenger, or earlier Ram models, Chrysler often specified a HOAT coolant, which is typically yellow or pink.
This coolant, meeting the MS-9769 specification, was used in many Chrysler, Dodge, and Jeep vehicles from the early 2000s to 2012. If you own an older Dodge, double-check the coolant type, as mixing OAT and HOAT coolants can cause gelling or other issues in the cooling system.
How to Identify the Right Coolant
To ensure you’re using the correct coolant for your Dodge, follow these steps:
- Check the Owner’s Manual: The owner’s manual is the most reliable source for identifying the correct coolant type and specification for your specific model and year. It will list whether your vehicle requires MS-12106 (OAT, orange) or MS-9769 (HOAT, yellow/pink).
- Look at the Coolant Reservoir: The coolant reservoir under the hood often has a label indicating the required coolant type. For most modern Dodge vehicles, it will specify Mopar OAT Antifreeze/Coolant or MS-12106. The coolant inside should be orange if it’s the factory fill.
- Consult a Dodge Dealer or Service Center: If you’re unsure, a Dodge dealership or certified mechanic can confirm the correct coolant based on your vehicle’s VIN or model details.
- Avoid Universal Coolants: While some aftermarket coolants claim to be “universal” or compatible with all vehicles, they may not meet Chrysler’s strict specifications. Stick with Mopar-branded coolant or an aftermarket equivalent that explicitly meets MS-12106 for newer models or MS-9769 for older ones.
Coolant Maintenance Tips
Proper coolant maintenance is essential for keeping your Dodge’s engine in top shape. Here are some practical tips to follow:
- Regularly Check Coolant Levels: Inspect the coolant level in the reservoir every few months or before long trips. Top off with the correct Mopar OAT coolant if levels are low. Never mix different coolant types, as this can lead to chemical reactions that damage the cooling system.
- Flush and Replace as Recommended: Dodge recommends flushing and replacing the coolant every 10 years or 150,000 miles for OAT-based coolants. For older HOAT coolants, the interval is typically 5 years or 100,000 miles. Always follow the manufacturer’s schedule to avoid corrosion or buildup.
- Use a 50/50 Mix: Mopar OAT coolant is typically sold as a concentrate and should be mixed with distilled water in a 50/50 ratio for optimal performance. Some retailers offer pre-mixed versions, which are convenient but more expensive.
- Inspect for Contamination: If the coolant appears cloudy, rusty, or has debris, it may be contaminated. Have the system flushed and refilled by a professional to prevent damage.
- Avoid Overfilling: Overfilling the coolant reservoir can cause pressure buildup and leaks. Fill to the “max” line on the reservoir and check for leaks after driving.
Common Questions About Dodge Coolant
Can I Use a Different Brand of Coolant?
While Mopar coolant is recommended, you can use an aftermarket coolant as long as it meets the MS-12106 (OAT) or MS-9769 (HOAT) specification, depending on your vehicle. Brands like Prestone and Zerex offer compatible OAT coolants, but always verify the specification on the label.
What Happens If I Use the Wrong Coolant?
Using the wrong coolant can lead to corrosion, gelling, or reduced heat transfer, which may cause overheating or engine damage. For example, mixing OAT and HOAT coolants can create a sludge that clogs the radiator or heater core.
Why Does Coolant Color Matter?
The color of the coolant helps identify its chemical composition and compatibility. Orange indicates OAT coolant for modern Dodge vehicles, while yellow or pink may indicate HOAT coolant for older models. Always match the color and specification to your vehicle’s requirements.
Where to Buy Mopar Coolant
Mopar Antifreeze/Coolant is widely available at Dodge dealerships, auto parts stores like AutoZone or Advance Auto Parts, and online retailers like Amazon. A gallon of Mopar OAT coolant typically costs between $20 and $40, depending on whether it’s concentrated or pre-mixed. Be sure to purchase from a reputable source to avoid counterfeit products.
Final Thoughts
For most Dodge vehicles manufactured after 2013, the coolant of choice is the orange Mopar OAT Antifreeze/Coolant, meeting the MS-12106 specification. Older models may require the yellow or pink HOAT coolant (MS-9769), so always verify your vehicle’s requirements. Sticking to the manufacturer’s recommended coolant and maintenance schedule will keep your Dodge’s cooling system in top condition, preventing costly repairs and ensuring reliable performance. When in doubt, consult your owner’s manual or a Dodge service professional to get it right.
