NISSAN 21421-EZ00A Front Grille Air Shutter 670.DA1019

( Manufacturer Part Number: 21421-EZ00A ), ( Part Type: Grille ), ( Item Name: Radiator Grille Air Shutter Assy ), ( Donor Car : 25-293 ), ( Ipn: 670.da1019 ), ( Genuine Oem: Yes ), ( Fitment Type: Direct Replacement )

Review NISSAN Front Grille Air Shutter fits TITAN 2019

The **Nissan 21421-EZ00A 2019 Titan Front Grille Air Shutter** is a precision-engineered component designed to enhance both the performance and aesthetic appeal of the 2019 Nissan Titan, particularly the Pro-4x and King Cab models. This high-quality air shutter, manufactured to strict OEM specifications, seamlessly integrates into the front grille assembly, ensuring optimal airflow while maintaining the vehicle s rugged yet refined appearance. Crafted from durable, corrosion-resistant materials, it is built to withstand the demands of daily driving, extreme weather conditions, and off-road adventures alike. The shutter operates smoothly via a reliable mechanical linkage, allowing for precise control over airflow to the radiator and cooling system, which is critical for maintaining engine temperature and preventing overheating especially during long hauls, towing heavy loads, or navigating challenging terrains. Beyond its functional benefits, this grille air shutter contributes to the Titan s bold, commanding presence with its bold, angular design that complements the vehicle s aggressive front fascia. Whether parked in a showroom or tackling a rugged trail, the 21421-EZ00A ensures that the Titan s cooling system remains efficient while upholding the brand s reputation for durability and performance. Perfect for both original equipment replacement and customization projects, this part is an essential upgrade for owners seeking to preserve their Titan s performance and curb appeal.

### **Pros and Cons of buying a Nissan 21421-EZ00A (2019 Titan Front Grille Air Shutter)**

#### **Overview**

The **Nissan 21421-EZ00A** is the front grille air shutter assembly for the **2019 Nissan Titan**, a full-size pickup truck. This part is responsible for controlling airflow to the radiator and engine bay, helping with cooling efficiency and preventing overheating. Below is a detailed breakdown of its advantages and drawbacks.

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### **Pros**

1. **OEM Quality and Fit**

- As a genuine Nissan part, it is designed to match the original specifications of the 2019 Titan, ensuring a perfect fit without modifications. This reduces the risk of misalignment or improper sealing, which can lead to cooling issues or damage to surrounding components.

2. **Reliability and Durability**

- Nissan s aftermarket and OEM parts are generally built to withstand the rigors of daily driving, including exposure to dust, debris, and temperature fluctuations. The air shutter mechanism is typically made from durable materials like plastic or reinforced polymers, which resist warping and cracking over time.

3. **Improved Cooling Efficiency**

- The air shutter helps regulate airflow to the radiator, preventing excessive heat buildup in the engine bay. This is particularly useful in extreme climates (hot or cold) or during heavy-duty tasks like towing. Proper airflow reduces strain on the cooling system, potentially extending the life of the radiator, water pump, and other components.

4. **Prevents Overheating and Engine Damage**

- A malfunctioning or missing air shutter can lead to poor airflow, causing the engine to overheat. This can result in costly repairs, such as a blown head gasket, warped cylinder head, or even engine failure. Replacing a faulty shutter with an OEM part ensures the cooling system operates as intended.

5. **Compatibility with Aftermarket Modifications**

- If you ve installed aftermarket parts like larger radiators, high-performance cooling systems, or heavy-duty exhausts, the OEM air shutter may still be compatible, though you may need to verify airflow requirements. Some aftermarket shuttles are designed for increased airflow, but the OEM part is a safe baseline.

6. **Warranty Coverage (If Purchased New)**

- If you buy this part new from an authorized Nissan dealer or a reputable online retailer, it may come with a limited warranty (typically 12 60 months, depending on the seller). This provides peace of mind in case of defects or premature failure.

7. **Easy Installation**

- The 2019 Titan s grille shutter is relatively straightforward to replace, especially for those with basic mechanical skills. Most installations require removing the old shutter, cleaning the mounting area, and securing the new part with bolts or clips. Nissan provides service manuals or step-by-step guides to assist with the process.

8. **Aesthetic Consistency**

- Using an OEM part ensures the grille and shutter maintain the Titan s factory appearance. This is important if you value the truck s original look or plan to sell it in the future.

9. **Support for Nissan s Cooling System**

- The air shutter works in conjunction with the radiator, fan, and thermostat to regulate engine temperature. Replacing a worn or broken shutter with an OEM part helps maintain the integrity of the entire cooling system.

10. **Cost-Effective Long-Term Solution**

- While the upfront cost of an OEM part may be higher than aftermarket alternatives, it is often a more cost-effective solution in the long run. Cheaper parts may fail sooner, leading to repeated replacements and potential damage to other components.

---

### **Cons**

1. **Higher Upfront Cost**

- OEM parts from Nissan or authorized dealers are typically more expensive than aftermarket alternatives. The price of the **21421-EZ00A** may range from **$100 to $250**, depending on the seller and whether it s new or used. This can be a significant investment if you re on a tight budget.

2. **Limited Availability and Lead Times**

- OEM parts may not always be in stock at local dealerships or online retailers. Ordering from Nissan directly or a specialty parts distributor can result in longer wait times, which may not be ideal if you need the part urgently.

3. **Potential for Counterfeit or Low-Quality Parts**

- When purchasing online, there is a risk of receiving a counterfeit or substandard part that doesn t meet OEM specifications. Always buy from trusted sellers (e.g., Nissan s official website, RockAuto, or reputable auto parts stores) to avoid this issue.

4. **Aftermarket Parts May Offer Better Performance**

- Some aftermarket air shutters are designed for improved airflow, especially for high-performance or towing applications. While the OEM part is reliable, aftermarket options (e.g., from **Afeel, Flowmaster, or K&N**) may provide better cooling efficiency at a lower cost. However, these may not always fit perfectly without modifications.

5. **Potential for Overkill in Mild Climates**

- If you primarily drive in mild climates and don t engage in heavy-duty tasks, the OEM shutter may perform adequately without needing an upgrade. In such cases, investing in an aftermarket part may not be justified.

6. **Installation Challenges for DIYers**

- While the installation is generally simple, some users may find it tricky if they lack mechanical experience. Improper installation (e.g., loose bolts, misaligned seals) can lead to airflow issues or damage to the shutter mechanism. If unsure, consulting a mechanic may be advisable.

7. **Environmental Factors Can Affect Longevity**

- Exposure to road salt, extreme temperatures, or debris can accelerate wear on the shutter s plastic or rubber components. Over time, this may require replacement sooner than expected, even with an OEM part.

8. **Limited Customization Options**

- Unlike aftermarket parts, the OEM shutter does not offer customization options such as different airflow settings or materials. If you re looking for a more aggressive cooling solution, you may need to explore aftermarket alternatives.

---

### **Conclusion**

The **Nissan 21421-EZ00A (2019 Titan Front Grille Air Shutter)** is a high-quality, reliable part that ensures proper cooling for your truck. Its OEM status guarantees a perfect fit, durability, and compatibility with the original cooling system. While it comes at a higher cost and may have longer lead times, the long-term benefits such as preventing overheating, maintaining engine health, and preserving resale value make it a strong choice for most owners.

However, if you re on a tight budget or need immediate availability, aftermarket alternatives may be worth considering, especially if you prioritize performance over exact OEM fit. Always weigh the trade-offs between cost, performance, and reliability based on your specific needs.

---

### **Recommendation**

- You value reliability, exact fit, and long-term performance.

- You want to maintain the Titan s original appearance and cooling system integrity.

- You re willing to pay a premium for a trusted, high-quality part.

- You plan to keep the truck for an extended period and want to avoid potential issues from aftermarket parts.

- You need a cost-effective solution and can tolerate a slight deviation from the OEM fit.

- You re modifying the truck for towing or high-performance use and want improved airflow.

- You need the part urgently and can t wait for OEM delivery.

- You re comfortable with potential minor installation challenges.

**Final Verdict:** For most **2019 Nissan Titan** owners, the **21421-EZ00A OEM air shutter** is the best choice due to its reliability, fit, and compatibility. However, always verify the seller s reputation and part authenticity to ensure you re getting a genuine, high-quality component. If you re unsure, consult a Nissan technician or mechanic before purchasing.

Details:

Part/Notes: RADIATOR GRILLE AIR SHUTTER ASSY.

part #: 21421ez00a prices

• $129.00-$215.92

specifications grilexte:

• for models: Titan
• for makes: Nissan
• for years: 2019
• mpn: 21421-ez00a
• part type: Grille
• item name: Radiator Grille Air Shutter Assy
• donor car : 25-293
• ipn: 670.da1019
• genuine oem: Yes
• fitment type: Direct Replacement

returns grilexte:

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

seller grilexte:

• city: Rancho Cordova, California
• rating: 99.5%
• # reviews: 33821

general grilexte:

• Car Truck Parts Accessories > Exterior Parts Accessories > Grilles
• condition: Used

shipping grilexte:

• cost: $0.00
• transit: 4-7 Days
• carrier: UPS
• type: Fixed
• class: Standard
• service: UPS Ground

offer grilexte:

• started: April 10, 2026
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• best offers: True

payments grilexte:

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

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