MOPAR 52014743AA Radiator Air Seal Left 2500-3500

( Manufacturer Part Number: 52014743AA ), ( Model: 2500-3500 ), ( Part Type: Seal Radiator ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Make: Ram ), ( Year: 2014 2015 2016 2017 2018 ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review MOPAR 743aa Genuine Radiator Side Air Seal Left fits 2014–2018

The **Mopar 52014743AA Radiator Air Seal (Left)** is a precision-engineered component designed specifically for Chrysler, Dodge, Jeep, and Ram vehicles equipped with the iconic **Hemi ** engines, particularly those featuring the **EcoBoost ** or **HEMI ** powertrains. This high-performance air seal serves as a critical barrier within the radiator s core, preventing coolant leaks and ensuring optimal thermal efficiency by maintaining proper airflow while sealing the internal passages. Crafted from durable **rubberized elastomer**, this seal is engineered to withstand extreme temperatures, high-pressure conditions, and prolonged exposure to coolant, oil, and engine fluids without degrading or cracking. Its unique **left-side orientation** ensures a perfect fit within the radiator assembly, where it interfaces directly with the radiator s core support and tank, reducing the risk of coolant loss and overheating two of the most common failure points in high-stress driving conditions. Ideal for applications in **2011 and newer Hemi engines**, including the **3.6L V6, 5.7L and 6.4L HEMI V8, and 2.7L EcoBoost turbocharged engines**, this seal is a direct replacement for the original equipment manufacturer (OEM) part, ensuring compatibility with vehicles like the **Dodge Challenger, Charger, Durango, Jeep Grand Cherokee, and Ram 1500/2500/3500**. Whether addressing a leak, preparing for a radiator flush, or performing routine maintenance, this seal guarantees a tight, long-lasting seal that aligns with Mopar s reputation for reliability and performance.

**Pros and Cons of buying a Mopar 52014743AA Radiator Air Seal (Left Side)**

The **Mopar 52014743AA** is an air seal designed to fit the left side of a Mopar radiator, typically used in older Chrysler, Dodge, and Plymouth vehicles (such as the 318, 360, or 440 engines). Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Direct Fitment for Mopar Applications**

- This part is specifically engineered for Mopar radiators, ensuring compatibility with older Chrysler/Dodge models that use this design. It eliminates the need for modifications or adapters, reducing installation complexity.

2. **Prevents Coolant Loss and Air Leaks**

- The primary function of a radiator air seal is to block air from entering the cooling system while allowing coolant to circulate. A properly installed seal prevents air pockets from forming, which can lead to overheating, coolant loss, or pump cavitation.

3. **Cost-Effective Replacement**

- Compared to replacing an entire radiator or radiator cap, this seal is a relatively inexpensive fix. It can extend the life of an otherwise functional cooling system.

4. **Easy to Install**

- The installation process is straightforward typically requiring only basic tools (like a screwdriver or socket set) and minimal mechanical skill. Most DIYers can complete the job in under an hour.

5. **Availability and Reliability**

- As a widely used Mopar part, it is readily available from aftermarket suppliers, Mopar dealerships, and online retailers. The quality is generally consistent, reducing the risk of premature failure.

6. **Extends Radiator Lifespan**

- By maintaining proper coolant flow and preventing air leaks, the seal helps reduce wear on the radiator, water pump, and thermostat, potentially saving money on larger repairs down the line.

7. **Universal Compatibility Within Mopar Range**

- While specific to the left side of Mopar radiators, this seal is designed to work across multiple engine sizes and model years (e.g., 1970s 1990s Chrysler/Dodge vehicles), making it a versatile purchase.

---

### **Cons**

1. **Limited to Mopar Radiators**

- This seal is **not universal** it will not fit non-Mopar radiators (e.g., Ford, GM, or Japanese makes). Buyers must confirm their vehicle s radiator type before purchasing to avoid waste.

2. **Potential for Improper Installation**

- If not installed correctly (e.g., misaligned, loose, or over-tightened), the seal may fail to block air effectively, negating its purpose. Improper installation can also damage the radiator or seal itself.

3. **Wear Over Time**

- Like all rubber or silicone seals, this part can degrade due to heat, coolant chemicals, or age. It may need replacement every **5 10 years** or sooner if the vehicle sees heavy use or extreme temperatures.

4. **Quality Variability in Aftermarket Parts**

- While Mopar-branded parts are generally reliable, third-party or generic replacements may vary in quality. Cheaper alternatives might fail prematurely or not seal properly, leading to recurring issues.

5. **Symptoms May Be Misdiagnosed**

- Air leaks in the cooling system can sometimes be mistaken for other problems (e.g., a failing water pump, radiator core blockage, or thermostat issue). A mechanic might overlook the seal as the root cause, leading to unnecessary repairs.

6. **Not a Permanent Fix for Aging Systems**

- If the rest of the cooling system (e.g., hoses, clamps, or the radiator itself) is worn, replacing just the air seal will not resolve underlying issues. A comprehensive cooling system flush or inspection may still be needed.

7. **Limited Longevity in Harsh Conditions**

- Vehicles exposed to extreme heat, saltwater corrosion (common in coastal areas), or frequent overheating may experience accelerated seal degradation. In such cases, the seal may need replacement more frequently.

---

### **Conclusion**

The **Mopar 52014743AA radiator air seal (left)** is a practical and cost-effective solution for addressing air leaks in Mopar radiators. Its direct fitment, ease of installation, and ability to prevent coolant loss make it a valuable part for maintaining a healthy cooling system. However, its effectiveness depends on proper installation and the overall condition of the vehicle s cooling system.

For most **Mopar-equipped vehicles (1970s 1990s Chrysler/Dodge)**, this seal is a **recommended preventive measure**, especially if the vehicle exhibits symptoms like:

- Air bubbles in the radiator or coolant overflow tank.

- Intermittent overheating.

- A hissing sound near the radiator (indicating air escape).

If the vehicle has a **completely failed cooling system** or the seal is part of a larger repair (e.g., radiator replacement), prioritizing the seal ensures long-term reliability.

---

### **Recommendation**

- You have confirmed it fits your vehicle s radiator.

- You re experiencing air-related cooling system issues.

- You prefer a quick, low-cost fix over more invasive repairs.

- You plan to perform regular maintenance on the cooling system.

- Your vehicle is not Mopar (check compatibility first).

- The rest of the cooling system (hoses, clamps, radiator) is severely worn.

- You suspect other underlying problems (e.g., a failing water pump or thermostat).

- You re unsure about installation consult a mechanic if DIY is not an option.

**Final Verdict:** For the right application, this seal is a **smart, budget-friendly upgrade** that can save time and money by preventing minor cooling system failures. Always pair its replacement with a coolant flush and inspection of related components for optimal results.

Details:

Electrical parts are not returnable. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging. 845 294 5179.

part #: 52014743aa prices

• $38.97-$449.99

specifications ocoosys:

• for makes: Mopar
• for years: 2014-2018
• mpn: 52014743aa
• model: 2500-3500
• part type: Seal Radiator
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• make: Ram
• year: 2014 2015 2016 2017 2018
• parts included: Only Part Reference 0 On The Diagram Is Included

payments ocoosys:

• wallet: Paypal
• other
• credit card: Diners-club

shipping ocoosys:

• transit: 4-10 Days
• service: Standard
• type: Fixed
• cost: $10.99
• class: Standard

returns ocoosys:

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

offer ocoosys:

• quantity: 6
• started: March 3, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home

general ocoosys:

• condition: New
• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

seller ocoosys:

• # reviews: 2
• city: Goshen, New York
• rating: 100.0%

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