MOTORAD STANDARD 56XXFNJV Fuel Tank Cap 4.6L V8

( Brand: Motorad Standard ), ( Manufacturer Part Number: 56XXFNJV ), ( Part Type: Fuel Tank Cap ), ( Engine: 4.6l V8 Flex ), ( Compatible Make/model: Mercury Grand Marquis ), ( Compatible Years: 2011 2006 2007 2008 2009 2010 11 06 07 08 09 10 ), ( Fitment Info: Standard Oe Specified Yellow Cap Type ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review MOTORAD STANDARD 56xfnjv Fuel Tank Cap Mercury 4.6l V8 fits MARQUIS FLEX GRAND 2006–2011

The **Motorad Standard 56XXF-NJV Fuel Tank Cap** is a meticulously engineered, high-performance replacement part designed specifically for the **2006 2011 Mercury Marquis** equipped with the **4.6L Ford Modular V8 (Flex-Fuel compatible)** engine, including the **NJV platform** models. Crafted from **durable, corrosion-resistant materials**, this fuel tank cap ensures a secure, leak-proof seal while maintaining the original aesthetic and functionality of the factory component. The cap features a **precision-machined, interference-fit design** that aligns perfectly with the fuel filler neck, preventing fuel vapors from escaping and reducing evaporative emissions critical for both performance and environmental compliance. Its **threaded, screw-type closure** is reinforced with a **tight-sealing gasket** to withstand the pressures of fuel transfer, even under aggressive driving conditions, while the **integrated venting system** allows proper pressure equalization during refueling. The cap s **sleek, matte-black finish** matches the aggressive styling cues of the Marquis, blending seamlessly with the vehicle s exterior while providing a sturdy, long-lasting solution. Whether used for routine maintenance, restoration, or performance upgrades, this **OEM-replacement part** eliminates concerns about fuel leaks, vapor lock, or premature wear, ensuring reliable operation for years to come. Built to exacting standards, the **Motorad Standard 56XXF-NJV Fuel Tank Cap** is a must-have for owners seeking both **durability and authenticity** in their Mercury Marquis.

### Pros and Cons of Buying a Motorad Standard 56XXF-NJV Fuel Tank Cap for a Mercury Marquis (2006-2011, 4.6L V8 Flex)

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#### **Pros**

1. **OEM Replacement Quality** The Motorad part is designed to match the original equipment manufacturer (OEM) specifications for your Mercury Marquis. This ensures a proper fit, reducing the risk of leaks or improper sealing that can occur with aftermarket parts that don t align perfectly with the vehicle s design.

2. **Durability and Reliability** Motorad products are generally built to withstand the demands of marine and automotive applications. The fuel tank cap in this model is likely constructed from durable materials (such as high-grade plastic or metal) that resist corrosion, cracking, or warping over time, especially important for a boat exposed to saltwater, humidity, and UV rays.

3. **Compatibility** This part is explicitly listed for the 2006-2011 Mercury Marquis with a 4.6L V8 flex-fuel engine. Compatibility is critical for proper function, and Motorad s engineering ensures it will fit without modifications. This reduces the risk of purchasing a generic part that may not work as intended.

4. **Sealing Performance** A well-fitted fuel cap ensures an airtight seal, preventing fuel fumes from escaping and reducing the risk of vapor lock or fuel contamination. This is particularly important for marine engines, where fuel quality and vapor pressure can affect performance.

5. **Easy Installation** Motorad parts are typically designed for straightforward installation, often requiring no additional tools or modifications beyond basic mechanical skills. This saves time and labor compared to custom or non-OEM parts that may require additional workarounds.

6. **Support and Warranty** Motorad is a well-established brand with a reputation for customer support. While warranties vary, purchasing from an authorized dealer or distributor often comes with some level of coverage, providing peace of mind in case of defects.

7. **Flex-Fuel Compatibility** The part is designed for flex-fuel engines, meaning it will work with both gasoline and ethanol blends (E10 or higher). This ensures versatility and compatibility with modern fuel standards without requiring additional modifications.

8. **Prevents Contamination** A properly sealed fuel cap helps keep debris, moisture, and contaminants out of the fuel system. This is especially important for marine applications where exposure to water and salt can degrade fuel quality.

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#### **Cons**

1. **Cost** OEM or high-quality replacement parts like this one from Motorad can be more expensive than generic or aftermarket alternatives. While the price reflects quality, it may still be a significant investment if you re on a tight budget.

2. **Limited Availability** Depending on your location, finding an authorized Motorad dealer or distributor may require some effort. Online retailers might carry the part, but shipping times or stock availability could be a concern, especially if you need the part urgently.

3. **Potential for Overkill** If your fuel tank cap is not damaged or worn, replacing it with a new OEM part may be unnecessary. In some cases, a simple cleaning or tightening of the existing cap could resolve minor issues without the cost of a full replacement.

4. **Installation Challenges** While generally straightforward, some users may encounter difficulties if the surrounding area (e.g., the fuel tank opening or mounting bracket) is corroded or damaged. In such cases, additional repairs (e.g., cleaning or replacing the bracket) may be required, adding to the overall cost.

5. **No Additional Features** Unlike some aftermarket parts, this OEM cap may not include additional features such as a built-in fuel gauge, venting system upgrades, or other conveniences. If you re looking for enhanced functionality, you may need to explore other options.

6. **Environmental Considerations** If you re concerned about sustainability, OEM parts may not always be the most eco-friendly choice, as they are typically manufactured and shipped with less emphasis on recyclability compared to some aftermarket brands that prioritize green initiatives.

7. **Risk of Counterfeit Parts** Purchasing from unverified sellers (e.g., third-party online marketplaces) could expose you to counterfeit Motorad parts. Always buy from authorized dealers or reputable retailers to ensure authenticity and quality.

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### **Ending Conclusion**

The Motorad Standard 56XXF-NJV fuel tank cap is a reliable and high-quality replacement part for your 2006-2011 Mercury Marquis with a 4.6L V8 flex-fuel engine. Its OEM compatibility, durability, and sealing performance make it an excellent choice if you prioritize fit, function, and longevity. However, the higher cost and potential availability issues may be drawbacks depending on your needs and budget. If your current cap is functional and the issue is minor (e.g., a loose seal), a new OEM cap may not be strictly necessary.

### **Recommendation**

If your fuel tank cap is cracked, leaking, or otherwise compromised, **purchasing the Motorad Standard 56XXF-NJV part is highly recommended**. It offers the best balance of quality, compatibility, and performance for your Mercury Marquis. To ensure you get an authentic part, buy directly from an authorized Motorad dealer or a trusted online retailer with verified sellers.

If you re on a tight budget or the cap is only slightly worn, consider inspecting it further or attempting a repair (e.g., cleaning the gasket or tightening the threads). However, if the cap is beyond repair, the Motorad part is the safest and most reliable option available. Always prioritize quality in parts that directly impact fuel system integrity, as failures here can lead to costly engine damage or performance issues.

Details:

Passes all state and federal emissions tests. Independently tested for emission control. Detailed Applications Years: Vehicle: Engine: 2006 - 2011 Mercury Grand Marquis4.6L V8 FLEX. Type: Non-Locking.

Motorad Fuel Tank Cap fits Mercury Grand Marquis 2006 - 2011 4.6L V8 FLEX 56xFNJV: Brand: condition: New Notes: Standard OE Specified Yellow Type, Features:Manufactured from durable, long-life materials. 12 Month Warranty. Lockable: No. Product Specifications Color: Yellow.

Reduces air pollution with proper sealing and venting. Tethered Cap: No.

part #: 56xxfnjv price

• $25.08

specifications fueltanksysteme:

• for models: Marquis, Flex, Grand
• for makes: Mercury
• for years: 2006-2011
• brand: Motorad Standard
• mpn: 56xxfnjv
• part type: Fuel Tank Cap
• engine: 4.6l V8 Flex
• compatible make/model: Mercury Grand Marquis
• compatible years: 2011 2006 2007 2008 2009 2010 11 06 07 08 09 10
• fitment info: Standard Oe Specified Yellow Cap Type
• manufacturer warranty: 12 Month Warranty
• attention: Read Full Description To Confirm Fitment
• cs-sku: 400

payments fueltanksysteme:

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

seller fueltanksysteme:

• city: Danville, Virginia
• # reviews: 23879
• rating: 99.2%

general fueltanksysteme:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks

shipping fueltanksysteme:

• type: Fixed
• transit: 3-7 Days
• class: Economy
• cost: $0.00
• service: Economy

returns fueltanksysteme:

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

offer fueltanksysteme:

• availability: In Stock
• options: Ship-to-home
• started: April 7, 2026
• quantity: 1
• sold: 0

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