NISSAN F2511-3SJMH Radiator Core Upper

( Manufacturer Part Number: F2511-3SJMH ), ( Part Type: Radiator ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Replaces Part Number: 625113sj0a, F25113sjma )

Review NISSAN Genuine Support Radiator Core Upper

The **Nissan F2511-3SJMH Radiator Core Upper** is a precision-engineered component designed specifically for Nissan s iconic SR20DE and SR20DET engines, commonly found in models like the 200SX, Skyline GT-R (R32), and other performance-oriented vehicles from the late 1980s through the early 2000s. This upper radiator core assembly serves as a critical heat exchanger, facilitating the transfer of excessive engine heat away from the coolant system to maintain optimal operating temperatures and prevent overheating. Crafted from high-quality materials, including durable aluminum and reinforced gaskets, this part is built to withstand the demanding thermal and mechanical stresses of high-performance driving, ensuring long-term reliability and efficiency.

The **F2511-3SJMH** is meticulously designed to fit seamlessly with the lower radiator core, forming a complete radiator assembly that maximizes airflow and heat dissipation. Its compact yet robust structure features a series of thin, closely spaced fins that enhance surface area for superior heat transfer, while the integrated mounting brackets ensure a secure and vibration-resistant fit within the vehicle s radiator support. Whether used in stock applications or as part of a tuned engine setup, this radiator core upper maintains its structural integrity under high-pressure conditions, reducing the risk of leaks or performance degradation over time.

For enthusiasts and mechanics working on classic or modified Nissan vehicles, this part is an essential upgrade or replacement option, particularly for those seeking to restore original functionality or enhance cooling performance in high-output applications. Its compatibility with aftermarket radiator hoses and mounting systems further expands its versatility, making it a practical choice for both restoration projects and performance builds. With its focus on durability, precision engineering, and compatibility with Nissan s iconic engine lineup, the **F2511-3SJMH Radiator Core Upper** remains a trusted component for maintaining peak engine health and cooling efficiency.

**Pros and Cons of buying a Nissan F2511-3SJMH Radiator Core Upper**

The Nissan F2511-3SJMH is the original equipment manufacturer (OEM) radiator core upper for certain Nissan vehicles, particularly those with the VQ engine series (such as the 3.5L VQ35DE found in the Altima, Maxima, and others). Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Perfect Fit and Functionality**

The OEM part is designed specifically for your vehicle s make and model, ensuring an exact fit with the engine bay s layout, mounting points, and cooling system connections. This eliminates the risk of leaks or improper alignment that can occur with aftermarket or non-matching parts.

2. **High-Quality Materials**

Nissan uses durable materials in its OEM components, including aluminum for the core and sturdy plastic or metal for the housing. This ensures long-term reliability and resistance to corrosion, especially important in radiators that operate under high heat and pressure.

3. **Compatibility with Original Cooling System**

The F2511-3SJMH is engineered to work seamlessly with the rest of the vehicle s cooling system, including the thermostat housing, water pump, and hoses. This compatibility reduces the risk of cooling inefficiencies or damage to other components.

4. **Warranty Coverage**

If purchased directly from Nissan or an authorized dealer, the part may come with a warranty (typically 12 24 months), providing peace of mind against defects. Third-party sellers may offer warranties as well, but these vary by retailer.

5. **Avoids Modifications or Workarounds**

Unlike aftermarket parts that might require additional seals, gaskets, or modifications, the OEM part fits without extra steps, saving time and labor costs during installation.

6. **Resale Value and Originality**

If you plan to sell or trade in your vehicle in the future, having OEM parts can appeal to buyers who prioritize original equipment, potentially increasing resale value.

7. **Access to Technical Support**

Nissan dealerships and authorized service centers have access to technical resources, including service bulletins and repair guides, which can be helpful if issues arise with the part.

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### **Cons**

1. **Higher Cost**

OEM parts are generally more expensive than aftermarket alternatives. The Nissan F2511-3SJMH can cost significantly more than a comparable aftermarket radiator core upper, sometimes doubling or tripling the price. This may not be cost-effective for budget-conscious buyers.

2. **Limited Availability**

OEM parts may be harder to find outside of Nissan dealerships or specialized auto parts stores. Online marketplaces like eBay or RockAuto may have limited stock, and lead times can be longer than for aftermarket parts.

3. **Potential for Overkill**

If your vehicle s radiator core upper is not failing but is being replaced as part of a routine maintenance or upgrade, an OEM part may be unnecessary. In such cases, a high-quality aftermarket part could suffice without the added cost.

4. **Weight and Bulk**

OEM radiator core uppers are often heavier and bulkier than aftermarket versions, which may complicate installation in tight engine bays or for DIYers without proper tools.

5. **Depreciation**

If you re replacing the part due to age or wear, the OEM part will also depreciate over time. Aftermarket parts, while not always as durable, may offer a better long-term value if they meet your needs.

6. **Environmental and Ethical Considerations**

OEM parts are often sourced from dismantled vehicles, which can have environmental implications (e.g., disposal of old parts). Some buyers prefer aftermarket parts made from new materials for sustainability reasons.

7. **Potential for Counterfeit Parts**

When purchasing from third-party sellers (especially online), there is a risk of receiving a counterfeit or refurbished OEM part that may not meet quality standards. Always verify the seller s reputation and part authenticity.

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### **Conclusion**

The Nissan F2511-3SJMH radiator core upper is an excellent choice if you prioritize **fitment, reliability, and compatibility** with your vehicle s original cooling system. It is ideal for situations where you need a **direct replacement for a failed OEM part** or if you want to maintain the vehicle s original specifications for resale or long-term use. The higher cost and limited availability are justified by the part s precision and durability.

However, if you are **replacing the part as a preventive measure** or if budget is a concern, an **aftermarket radiator core upper** from a reputable brand (such as Spal, ACDelco, or Power Horse) may offer a more cost-effective solution without sacrificing performance. Aftermarket parts often come with warranties, are widely available, and can be just as durable when sourced from trusted manufacturers.

For most **DIYers or those on a budget**, an aftermarket part is a practical alternative. But if you are **restoring a classic vehicle, maintaining originality, or dealing with a confirmed OEM failure**, the Nissan F2511-3SJMH is the best choice.

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### **Recommendation**

- Your vehicle s original radiator core upper is failing and you want a **direct, guaranteed fit**.

- You are restoring or maintaining a vehicle where **original equipment is a priority**.

- You have access to a **Nissan dealership or trusted OEM supplier** and can justify the cost.

- You want **long-term reliability** and are willing to pay for it.

- You are replacing the part **preventively** and the OEM part is not failing.

- You want to **save money** without compromising on quality (look for brands with good reviews and warranties).

- You prefer **easier availability** and faster shipping times.

- You are comfortable with **DIY installation** and can verify the aftermarket part s compatibility.

**Final Tip:** If possible, inspect the original part before purchasing a replacement to confirm the exact failure (e.g., cracked housing, corroded core). This will help you decide whether an OEM or aftermarket part is truly necessary. Always check seller reviews and return policies when buying online.

Details:

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

part #: f25113sjmh prices

• $294.19-$305.40

specifications ocoosys:

• for makes: Nissan
• mpn: F2511-3sjmh
• part type: Radiator
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• replaces part number: 625113sj0a, F25113sjma

returns ocoosys:

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

shipping ocoosys:

• class: Standard
• service: Standard
• type: Fixed
• cost: $28.21
• transit: 5-11 Days

payments ocoosys:

• other
• wallet: Apple-pay
• credit card: Diners-club

seller ocoosys:

• city: Fort Worth, Texas
• rating: 0.0%
• # reviews: 0

offer ocoosys:

• started: February 28, 2026
• options: Ship-to-home
• sold: 0
• quantity: 4
• availability: In Stock

general ocoosys:

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

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