NISSAN 21507-3JV0A Radiator Insulator

( Manufacturer Part Number: 21507-3JV0A ), ( Part Type: Radiator Insulator ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review NISSAN Genuine Radiator Insulator fits PATHFINDER 2014

The **Nissan 21507-3JV0A Radiator Insulator** is a precision-engineered thermal protection component designed specifically for Nissan vehicles equipped with the **R15/R16/R17/R18/R19** engine families, including models like the **Altima, Maxima, Murano, Rogue, and Sentra** from the 2003 to 2012 model years. Crafted from high-quality **heat-resistant silicone rubber**, this radiator insulator serves as a critical barrier between the engine s high-temperature components and the radiator, preventing heat transfer that could compromise cooling efficiency, reduce fuel economy, or even lead to premature wear on hoses, belts, and surrounding systems. Its sleek, contoured design ensures a snug, vibration-dampening fit around the radiator s upper and lower mounting points, minimizing air gaps that could allow excessive heat leakage while maintaining optimal airflow for the radiator s core. The insulator s durable construction resists cracking, warping, or degradation under prolonged exposure to extreme temperatures, oil splatter, or road debris, making it a long-lasting solution for maintaining your vehicle s cooling system integrity. Beyond its functional benefits, this part also contributes to a cleaner, more organized engine bay by concealing the radiator s mounting hardware, reducing the risk of accidental damage from tools or other components during maintenance or repairs. Whether you re addressing a cooling system upgrade, addressing a leak-prone hose setup, or simply enhancing your vehicle s thermal management, the **Nissan 21507-3JV0A Radiator Insulator** delivers a reliable, OEM-level performance that aligns with Nissan s engineering standards, ensuring your engine operates at peak efficiency with minimal thermal stress.

Buying the **Nissan 21507-3JV0A radiator insulator** (also known as a radiator support bracket or radiator insulator bracket) involves weighing several factors based on your specific needs, budget, and vehicle condition. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

---

### **Pros of buying a Nissan 21507-3JV0A Radiator Insulator**

1. **Direct Fitment and Compatibility**

The part is designed specifically for Nissan vehicles, particularly those with the **3.3L V6 engine** (common in models like the **Maxima, Altima, Sentra, and Frontier** from the late 1990s to early 2000s). This ensures a precise fit without modifications, reducing the risk of misalignment or improper installation.

2. **Prevents Radiator Damage**

The radiator insulator acts as a protective barrier between the radiator and surrounding components (e.g., the engine, exhaust, or other metal parts). Without it, the radiator can sustain **dents, cracks, or coolant leaks** from contact with hot engine parts or road debris. Replacing it helps maintain the radiator s integrity and cooling efficiency.

3. **Improves Cooling System Reliability**

A damaged or missing radiator insulator can lead to **coolant leaks, overheating, or even radiator collapse** over time. Replacing it with an OEM or high-quality aftermarket part reduces these risks, extending the lifespan of your cooling system.

4. **OEM Quality (If Purchasing Original Equipment)**

If you buy the ** genuine Nissan part**, it is manufactured to the same standards as the original component, ensuring durability and compatibility. This is ideal if you prioritize long-term reliability and want to avoid potential issues with aftermarket knockoffs.

5. **Easy Installation**

The part is relatively simple to install, typically requiring basic tools (socket set, wrenches, and possibly a pry bar). Many owners and mechanics report that it takes **30 minutes to an hour** to replace, depending on vehicle access.

6. **Cost-Effective Preventative Maintenance**

Replacing the insulator is a **low-cost preventive measure** compared to the potential expenses of repairing a damaged radiator, engine overheating, or coolant system failures (which can exceed **$500 $1,500** in labor and parts).

7. **Aftermarket Options May Be Cheaper**

While the OEM part is reliable, aftermarket versions (from brands like **ACDelco, Dorman, or local auto parts stores**) often cost **30 50% less** without sacrificing quality. These can be a budget-friendly alternative if sourced from reputable sellers.

8. **Reduces Noise and Vibration**

A loose or missing insulator can cause **rattling noises** when driving over rough roads. Replacing it with a properly secured part eliminates this annoyance.

---

### **Cons of buying a Nissan 21507-3JV0A Radiator Insulator**

1. **Limited Availability of OEM Parts**

The ** genuine Nissan part (21507-3JV0A)** may be **discontinued** or difficult to find, especially if your vehicle is older. You may need to order it from a **Nissan dealership, specialty auto parts stores, or online marketplaces** (eBay, RockAuto, or Nissan s official parts site), which can take time and may involve higher shipping costs.

2. **Potential for Counterfeit or Low-Quality Aftermarket Parts**

If purchasing from **eBay, Amazon, or unknown sellers**, there is a risk of receiving a **counterfeit or poorly made part**. These may not fit correctly, fail quickly, or even damage your radiator. Always check seller ratings, reviews, and part authenticity (e.g., look for **Nissan part numbers, proper packaging, or brand markings**).

3. **Mismatched or Incorrect Part**

Nissan has produced **multiple variations** of this part for different model years and engine configurations. Buying the wrong one (e.g., a **21507-3JV0B** instead of **3JV0A**) can result in **poor fitment, improper protection, or even voiding warranties**. Always verify the **exact part number** matches your vehicle s specifications.

4. **Additional Labor Costs if Not DIY**

While the part is easy to replace, if you **do not have mechanical experience**, hiring a mechanic may cost **$50 $150 in labor**, depending on the shop. This adds to the overall expense.

5. **Possible Underlying Issues**

- **Loose or failing radiator mounts**

- **Cracked radiator hoses**

- **Leaking water pump or thermostat housing**

Inspecting these components simultaneously may reveal **unexpected repairs**, increasing costs.

6. **Environmental and Physical Wear**

Over time, the insulator itself may **degrade due to heat, moisture, or road debris**. While replacing it helps, it is not a permanent solution eventually, the radiator may need **full replacement** if it sustains damage.

7. **Time-Consuming if Part is Backordered**

If the part is **out of stock**, you may face **long wait times** (weeks or even months), especially for OEM Nissan parts. Aftermarket options may be faster but require verification of quality.

---

### **Conclusion**

The **Nissan 21507-3JV0A radiator insulator** is a **practical and cost-effective** part to replace if your vehicle s original insulator is damaged, missing, or worn out. It provides **essential protection for the radiator**, prevents **cooling system failures**, and is relatively easy to install. The **primary benefits** include **improved reliability, preventative maintenance, and long-term cost savings** compared to ignoring the issue.

However, **potential drawbacks** such as **part availability, risk of counterfeit items, and underlying cooling system issues** must be considered. To mitigate these risks:

- **Verify the exact part number** matches your vehicle.

- **Purchase from reputable sellers** (dealerships, RockAuto, or trusted online retailers).

- **Inspect surrounding components** (hoses, mounts, radiator) during replacement.

- **Consider aftermarket options** if the OEM part is unavailable or expensive.

---

### **Recommendation**

- **Buy the genuine Nissan 21507-3JV0A** from a **Nissan dealership or authorized parts distributor** to ensure authenticity and quality.

- **Install it yourself** if comfortable with basic mechanical work, or have a mechanic do it for **under $100 in labor**.

- **Opt for a high-quality aftermarket alternative** (e.g., **ACDelco 21507-3JV0A equivalent, Dorman, or local auto parts store brands**).

- **Check reviews and seller ratings** to avoid counterfeit parts.

- **Compare prices** across multiple sellers (RockAuto, Amazon, local shops) to get the best deal.

- **Inspect the radiator, hoses, mounts, and water pump** while replacing the insulator.

- **Consider a full cooling system flush** if the vehicle is older to prevent future problems.

- **Watch a step-by-step video tutorial** (YouTube) for your specific vehicle model.

- **Consult a mechanic** for guidance, especially if the radiator is already damaged.

Replacing the **Nissan 21507-3JV0A radiator insulator** is a **smart preventative measure** that protects your radiator and cooling system. With careful sourcing and installation, it is a **low-risk, high-reward** repair that can save you from more expensive failures down the road. Prioritize **authenticity and compatibility** to ensure the best results.

Details:

Genuine Nissan Radiator Insulator 21507-3JV0A: Parts: Inverter Cooling. Parts must be resalable and in the original packaging. So, why would you choose anyone else. Electrical parts are not returnable.

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. 2 Day Shipping applies only to the USA 50 states.

part #: 215073jv0a prices

• $40.92-$42.90

specifications ocoosys:

• for models: Pathfinder
• for makes: Nissan
• for years: 2014
• mpn: 21507-3jv0a
• part type: Radiator Insulator
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 0 On The Diagram Is Included

shipping ocoosys:

• class: Standard
• cost: $9.99
• type: Fixed
• transit: 3-6 Days
• service: Standard

returns ocoosys:

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

payments ocoosys:

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

offer ocoosys:

• started: March 8, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

seller ocoosys:

• rating: 99.8%
• # reviews: 3257
• city: Surprise, Arizona

general ocoosys:

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

Nissan 21507-3JV0A Is Similar To:

• 01558-00491 Nissan Genuine Oem Upper Hose Clamp (43.5% similar) Nissan upper hose clamp...(October 29th, 2018)
• 01558-00551 Nissan Infiniti Genuine Oem Upper Hose Clamp (41.6% similar) Keep it original, and real with genuine nissan original equipment manufacturer, oem, parts...(March 19th, 2018)
• 081a8-6121a Nissan Genuine Oem Pulley Bolt (43.7% similar) Delivered to your doors Twp...(March 30th, 2019)
• 11060-31u0b Nissan Infiniti 1106031u0b Genuine Oem (40% similar) ...(February 12th, 2017)
• 11060-3rc1a Nissan 110603rc1a Genuine Oem Water (50% similar) ...(February 12th, 2017)
• 11060-69f01 Nissan Jdm Genuine Oem Water Neck Outlet Used (43.1% similar) Condition is used. SR20DET S13 water neck...(March 20th, 2019)
• 11060-et00a Nissan 11060et00a Genuine Oem (46.5% similar) ...(May 17th, 2017)
• 11062-1kc0a Nissan Genuine Oem Water Outlet Gasket (44.2% similar) If you want the best performance and reliability possible for your nissan need genuine parts. Fort worth nissan parts offers one of the largest selections genuine...(November 3rd, 2018)
• 11062-et00a Nissan Genuine Oem Water Outlet Gasket (44.2% similar) ...(April 3rd, 2018)
• 11720-9e001 Nissan Genuine Oem Serpentine Belt (37.4% similar) ...(July 17th, 2018)
• 11950-4z800 Nissan 119504z800 Genuine Oem (46.5% similar) Keep it original, and real with genuine nissan original equipment manufacturer, oem, parts...(November 5th, 2017)