MOPAR 68590779AB Coolant Valve

( Manufacturer Part Number: 68590779AB ), ( Part Type: Valve ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 7 On The Diagram Is Included )

Review MOPAR Genuine Coolant Way Valve

The **Mopar 68590779AB Coolant Valve** is a precision-engineered component designed specifically for Chrysler, Dodge, Jeep, and Ram vehicles equipped with the modern **EcoBoost, Hemi, or Pentastar engine families**, ensuring optimal performance and longevity in advanced cooling systems. This high-performance coolant valve is engineered to regulate the flow of coolant between the engine s primary and secondary cooling circuits, maintaining precise temperature control under varying operating conditions. Crafted from durable **aluminum alloy** and reinforced with a **sealed diaphragm mechanism**, the valve operates smoothly while resisting corrosion, thermal stress, and pressure fluctuations, which are common in high-output turbocharged applications. Its **electrically actuated design** allows for seamless integration with the vehicle s Engine Control Module (ECM), enabling dynamic adjustments to coolant flow based on real-time engine demands whether during cold starts, high-load conditions, or extended idle periods. The valve s **OEM-quality construction** ensures a tight, leak-proof seal when installed, preventing coolant loss and maintaining system integrity. Ideal for applications in vehicles such as the **2011 2023 Dodge Durango, 2014 2023 Jeep Grand Cherokee, 2015 2023 Ram 1500/2500/3500 with EcoBoost or Hemi engines**, this valve is a critical upgrade for owners seeking to eliminate coolant surges, improve engine efficiency, and extend the life of their cooling system components. Whether replacing a worn-out factory unit or upgrading an aftermarket cooling system, the **Mopar 68590779AB** delivers the reliability and performance expected from a genuine Mopar part, ensuring your vehicle operates at peak efficiency under all driving conditions.

The **Mopar 68590779AB Coolant Valve** is a critical component for modern Chrysler, Dodge, Jeep, and Ram vehicles equipped with the **eGR (Exhaust Gas Recirculation) system with a coolant valve**. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a Mopar 68590779AB Coolant Valve**

1. **OEM Quality and Reliability**

The Mopar brand is known for producing genuine, high-quality replacement parts that meet or exceed factory specifications. This valve is designed to function identically to the original equipment, reducing the risk of premature failure or compatibility issues.

2. **Direct Fitment and Compatibility**

This part is specifically engineered for **Chrysler, Dodge, Jeep, and Ram vehicles** with the **6.4L V8 (Hemi) and 5.7L/6.1L/6.4L V8 engines** (common in models like the **Ram 1500, Durango, Challenger, Charger, and 300**). It is a direct-fit replacement, meaning no modifications or additional adapters are required during installation.

3. **Prevents Coolant Leaks and System Failures**

The coolant valve regulates exhaust gas recirculation by controlling coolant flow, which helps maintain optimal engine temperatures and emissions performance. A failing valve can lead to **coolant leaks, overheating, or check engine lights (P0420, P0421, P0422 codes)**. Replacing it with a new Mopar unit restores proper function and prevents these issues.

4. **Long-Term Durability**

Mopar parts are built to last, often outperforming aftermarket alternatives in terms of longevity. The valve is designed to withstand the thermal and pressure stresses of modern engines, reducing the likelihood of recurring problems.

5. **Warranty Coverage**

Mopar parts typically come with a **limited warranty** (often 12 months or more), providing peace of mind against defects or early failures. This is particularly valuable if the valve fails shortly after installation.

6. **Easy Installation**

The valve is relatively straightforward to replace, especially for those with basic mechanical experience. Most installations require **removing the exhaust manifold, disconnecting electrical connectors, and replacing the old valve with the new one**. Detailed repair guides and videos are widely available online.

7. **Supports Emissions Compliance**

The coolant valve plays a role in **emissions control** by regulating exhaust gas recirculation. A faulty valve can trigger **smog check failures** or cause the vehicle to fail emissions testing. Replacing it ensures the vehicle remains compliant with regulatory standards.

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### **Cons of buying a Mopar 68590779AB Coolant Valve**

1. **Higher Upfront Cost Compared to Aftermarket Options**

Mopar parts are generally **more expensive** than aftermarket alternatives. While the price difference may seem small for a single valve, it can add up when replacing multiple components or servicing multiple vehicles. For example, the Mopar valve may cost **$100 $150**, whereas a comparable aftermarket part could be **$30 $70**.

2. **Potential Overkill for Some Applications**

If the vehicle s coolant valve failure is **minor or intermittent**, an aftermarket part may suffice. However, if the valve is **seized, cracked, or completely failed**, the Mopar unit is the safest choice. In some cases, drivers may opt for a cheaper part if they are unsure about the severity of the issue.

3. **Installation Complexity for Inexperienced DIYers**

While the replacement is not extremely difficult, it does require **disassembling part of the exhaust system** and working around **hot components**. Those without mechanical experience may find the process challenging, potentially leading to **damage to gaskets, hoses, or the exhaust manifold** if not done carefully.

4. **Limited Availability in Some Regions**

Mopar parts may not be as widely stocked as aftermarket brands in **smaller auto parts stores or online retailers**. This could require **special ordering**, which may delay repairs if the part is not immediately available.

5. **Potential for Counterfeit or Low-Quality Mopar Parts**

While rare, there is a risk of purchasing **counterfeit Mopar parts**, especially from untrusted online sellers. These fakes may not meet OEM standards, leading to **early failure or compatibility issues**. Always buy from **authorized Mopar dealers, official Chrysler/Dodge distributors, or reputable retailers** to avoid this risk.

6. **Additional Costs Beyond the Valve Itself**

Replacing the coolant valve often requires **new gaskets, seals, or thermal barrier coatings** if they are damaged during removal. In some cases, the **exhaust manifold or gasket may need replacement**, adding to the total cost. These extra expenses are not unique to Mopar but are a general consideration for any valve replacement.

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### **Conclusion**

The **Mopar 68590779AB Coolant Valve** is a **high-quality, reliable, and direct-fit replacement** for Chrysler, Dodge, Jeep, and Ram vehicles with the specified engine configurations. Its **OEM-level performance, durability, and warranty coverage** make it an excellent choice for those prioritizing **long-term reliability and emissions compliance**. However, the **higher cost compared to aftermarket options** and the **potential complexity of installation** may be drawbacks for budget-conscious or inexperienced DIYers.

For most **serious vehicle owners, mechanics, or those who value genuine parts**, the Mopar valve is the **best available option**. If cost is a major concern and the valve failure is not severe, an **aftermarket alternative** (from a trusted brand like **AEM, Moroso, or Delphi**) could be considered. However, **cutting corners on this component risks recurring issues, emissions failures, or engine damage**, making the Mopar part the **most prudent long-term investment**.

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### **Final Recommendation**

- You own a **Chrysler, Dodge, Jeep, or Ram vehicle** with the specified engine (6.4L Hemi, 5.7L/6.1L V8).

- You want **OEM-quality performance and reliability**.

- You are **willing to pay a premium** for a part that is less likely to fail prematurely.

- You plan to **keep the vehicle long-term** and want to avoid emissions or cooling system issues.

- You are on a **tight budget** and the valve failure is not critical.

- You have **limited mechanical experience** and are unsure about installation.

- You are **not concerned about warranty coverage** and prefer a cheaper option.

- Purchase from an **authorized Mopar dealer, official Chrysler/Dodge parts distributor, or a reputable online retailer** (e.g., RockAuto, Amazon, or local auto parts stores with Mopar certification).

- Verify the **part number matches your vehicle s application** before buying.

- If unsure about installation, **consult a professional mechanic** to avoid damage.

- Replace any **damaged gaskets, seals, or thermal coatings** during installation to prevent leaks.

**Overall Verdict:** The Mopar 68590779AB Coolant Valve is the **best choice for most owners** due to its **reliability, fitment, and support for emissions compliance**. While it costs more than aftermarket parts, the **long-term benefits outweigh the initial expense** for those who prioritize quality.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable. Parts must be resalable and in the original packaging.

part #: 68590779ab prices

• $65.43-$71.33

specifications emissyste:

• for makes: Mopar
• mpn: 68590779ab
• part type: Valve
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 7 On The Diagram Is Included

shipping emissyste:

• carrier: UPS
• cost: $24.30
• transit: 6-12 Days
• type: Fixed
• class: Standard
• service: UPS Ground

general emissyste:

• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
• condition: New

payments emissyste:

• wallet: Google-pay
• credit card: Discover
• other

offer emissyste:

• quantity: 10
• started: February 14, 2026
• options: Ship-to-home
• availability: In Stock
• sold: 0

returns emissyste:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

seller emissyste:

• city: Nashua, New Hampshire
• rating: 100.0%
• # reviews: 44

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