fits make: Nissan. year: 2013–2024.

( Manufacturer Part Number: 21496-3NF0A ), ( Model: LEAF ), ( Part Type: Seal Radiator Panel ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Year: 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 ), ( Parts Included: Only Part Reference 6 On The Diagram Is Included )
The **Nissan 21496-3NF0A Radiator Panel Seal** is a precision-engineered, high-performance gasket designed specifically to ensure a leak-free and reliable seal between the radiator and the engine compartment in Nissan vehicles equipped with the 2.5L QR25DE or 3.5L VQ35DE engines. Crafted from a durable, heat-resistant **EPDM (Ethylene Propylene Diene Monomer) rubber compound**, this seal is engineered to withstand the extreme temperatures, pressure fluctuations, and chemical exposure inherent to automotive cooling systems. The gasket features a **tapered, contoured design** that conforms perfectly to the radiator s mounting flange and the engine bay s structural surfaces, eliminating gaps that could lead to coolant leaks a common issue in aging or high-mileage vehicles. Its **reinforced construction** includes strategically placed ribs and a robust outer perimeter, which enhance durability and prevent deformation under thermal cycling, ensuring long-term integrity even in demanding driving conditions. Ideal for applications in vehicles such as the **Nissan Altima (2007 2012), Maxima (2005 2012), Sentra (2007 2012), and Rogue (2008 2012)**, this seal is a direct replacement for the original equipment manufacturer (OEM) part, maintaining the same tight tolerances and performance standards. Whether used in routine maintenance, a radiator replacement, or a cooling system overhaul, the **21496-3NF0A** provides a dependable barrier against coolant leaks, overheating, and potential engine damage, making it an essential component for preserving the efficiency and longevity of your Nissan s cooling system.
**Pros and Cons of buying a Nissan 21496-3NF0A Radiator Panel Seal**
### **Pros:**1. **Direct Fitment** This part is designed specifically for Nissan vehicles, ensuring compatibility with your model without modifications. It matches the original equipment manufacturer (OEM) specifications, reducing the risk of leaks or improper function.
2. **Quality Assurance** Purchasing from a reputable supplier (such as Nissan s official dealership, an authorized parts distributor, or a trusted aftermarket brand) ensures the seal meets durability and performance standards. High-quality materials resist heat, pressure, and corrosion better than cheap alternatives.
3. **Prevents Coolant Leaks** A failing radiator panel seal can cause coolant leaks, leading to overheating, engine damage, or costly repairs. Replacing it proactively avoids these risks and extends the lifespan of your cooling system.
4. **Cost-Effective Long-Term** While the upfront cost may seem higher than generic parts, a reliable seal reduces the likelihood of repeated failures or secondary damage (e.g., warped radiator fins, water pump strain). This saves money over time compared to cheap, short-lived alternatives.
5. **Ease of Installation** The seal is a straightforward component to replace, typically requiring only basic tools. Many DIYers can install it without professional help, saving labor costs. Detailed instructions or videos are often available for guidance.
6. **Compatibility with Other Systems** A properly functioning radiator panel seal ensures the entire cooling system operates efficiently, including the thermostat, water pump, and hoses. This contributes to better fuel efficiency and engine performance.
7. **Warranty Coverage** If purchased from an authorized dealer or a brand with a warranty (e.g., Dorman, ACDelco, or Nissan s own parts), you may receive coverage for defects, adding peace of mind.
---
### **Cons:**1. **Higher Upfront Cost** Compared to generic or aftermarket seals, the OEM or high-quality version may cost more. While this is often justified by longevity, budget-conscious buyers might hesitate if they perceive it as unnecessary.
2. **Potential Counterfeit Parts** Purchasing from untrusted sellers (e.g., unregulated online marketplaces) risks receiving counterfeit or low-quality replicas. These may fail prematurely, void warranties, or even damage the radiator. Always buy from verified sources.
3. **Limited Availability** Depending on the region or vehicle model, finding the exact part number (21496-3NF0A) may require ordering from specialized suppliers, which could take longer than generic alternatives.
4. **Mismatched Materials** Some aftermarket seals use subpar materials (e.g., brittle rubber or inferior adhesives) that degrade faster under heat or pressure. While the OEM seal is designed for longevity, cheap copies may not withstand the same conditions.
5. **Installation Challenges** If the radiator or surrounding components are corroded or damaged, replacing the seal may require additional work (e.g., cleaning, resealing, or replacing adjacent parts). This could increase time and cost beyond just the seal itself.
6. **Environmental Factors** Extreme temperatures, road debris, or chemical exposure (e.g., road salt) can accelerate wear on any seal, including the OEM part. Regular maintenance (e.g., coolant flushes) is still necessary to maximize its lifespan.
7. **Professional Installation Costs** While DIY is possible, some buyers may opt for a mechanic to install it, adding labor fees. For those without mechanical experience, this could make the total cost comparable to cheaper parts with professional installation.
---
### **Conclusion:**The **Nissan 21496-3NF0A radiator panel seal** is a **high-quality, direct-fit solution** that prioritizes reliability, longevity, and compatibility. While it may cost more upfront than generic alternatives, its benefits such as preventing leaks, reducing long-term repair risks, and ensuring optimal cooling system performance make it a **strong recommendation for most Nissan owners**. The key to maximizing its value lies in **purchasing from a trusted source** and ensuring proper installation.
For **budget-conscious buyers** who are confident in their DIY skills and can verify the part s authenticity, a **high-quality aftermarket seal** (e.g., from Dorman or ACDelco) may offer a cost-effective alternative without sacrificing performance. However, if the vehicle is older or has a history of cooling system issues, investing in the **OEM or premium aftermarket seal** is justified to avoid costly failures.
---
### **Final Recommendation:****Buy the Nissan 21496-3NF0A radiator panel seal (or an equivalent high-quality aftermarket part) from a reputable supplier.** Prioritize **authenticity, material quality, and compatibility** over price alone. If possible, have a professional inspect the radiator and surrounding components during installation to address any underlying issues (e.g., corrosion, hose wear). Regularly check coolant levels and perform maintenance to extend the seal s lifespan. This approach balances **cost, reliability, and long-term vehicle health**.
Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Shipping is available to the 48 Continental USA only. Genuine Nissan Parts. With heat pump.
All parts must be in their original condition, not used or tried, and cannot disassembled damaged by incorrect installation. APO orders cannot be shipped ground.