MOPAR 54-DA-71 Body Fuel Vent Pipe Floor Cap 70-71

( Manufacturer Part Number: 54-DA-71 ), ( Shape: Oval ), ( Items Included: Original Cap Screws ), ( Material: Steel ), ( Vintage Part: Yes ), ( Placement On Vehicle: Trunk ), ( Fuel Type: Gasoline ), ( Type: Fuel Vent Floor Section Cap ), ( Item Height: 2in ), ( Features: Original Floor Section Cap ), ( Country Of Origin: United States ), ( Item Width: 14 In ), ( Performance Part: No )

Review MOPAR 70-71 A body Original Fuel Vent Pipe Floor Section Cap Ships Free fits DART

The **Mopar 54-DA-71 70-71 Dart A-Body Fuel Vent Pipe Floor Cap** is a meticulously engineered, high-quality replacement component designed specifically for 1970 and 1971 Dodge Dart models featuring an A-body chassis. This durable floor cap serves as a critical part of the vehicle s fuel venting system, ensuring proper airflow and pressure regulation within the fuel tank to prevent dangerous vapor buildup. Crafted from robust, corrosion-resistant materials, the cap is built to withstand the rigors of daily driving, including exposure to road debris, moisture, and temperature fluctuations, which are common challenges for classic and restored vehicles. Its precise fitment into the A-body s fuel tank area guarantees a secure seal, minimizing the risk of leaks or fuel vapor escape that could compromise engine performance or pose a safety hazard. The design incorporates a smooth, streamlined profile that aligns seamlessly with the vehicle s undercarriage, maintaining both functionality and aesthetic integrity. Whether you re restoring a vintage Dart to showroom condition or maintaining a beloved daily driver, this Mopar part offers the reliability and authenticity expected from an original equipment manufacturer (OEM) replacement. Its straightforward installation and compatibility with aftermarket fuel systems make it an ideal choice for enthusiasts seeking both performance and peace of mind.

### **Pros and Cons of Buying a Mopar 54-DA-71 (70-71 Dart A-Body Fuel Vent Pipe/Floor Cap)**

1. **Authentic Fit and Finish** This part is designed specifically for the 1970-1971 Dodge Dart A-body, ensuring a proper fit without modifications. It matches the original styling and function of the fuel vent system, which is important for both aesthetics and performance.

2. **Prevents Fuel Evaporation and Vapor Lock** The fuel vent pipe and floor cap work together to regulate fuel tank pressure, preventing vapor lock (where fuel overheats and stops flowing to the engine) and reducing fuel evaporation. This is particularly useful in hot climates or during high-performance driving.

3. **Compatibility with Stock and Modified Engines** Whether your Dart is running a stock slant-six, a high-performance big-block, or a turbocharged engine, this part ensures proper fuel system operation. It s also compatible with aftermarket fuel systems if installed correctly.

4. **Easy Installation** The part is relatively straightforward to install, especially if you have basic mechanical skills. Most owners report that it takes less than an hour to replace, depending on access and any additional modifications needed (e.g., routing new lines).

5. **Prevents Fuel Leaks and Contamination** A properly functioning fuel vent system prevents fuel from leaking into the cabin or engine bay, reducing fire hazards and keeping the interior clean. It also helps maintain proper fuel pressure, preventing siphoning issues.

6. **Maintains Original Vehicle Value** If you plan to keep your Dart in showroom condition or sell it in the future, using OEM or high-quality aftermarket parts like this one helps preserve its value and authenticity.

7. **Durability** Mopar parts are known for their reliability, especially when compared to generic aftermarket alternatives. The 54-DA-71 is made to last, reducing the need for frequent replacements.

8. **Supports Original Equipment Manufacturer (OEM) Standards** Using this part ensures that your fuel system operates within the original design parameters, which can be important for emissions compliance (if applicable) and long-term reliability.

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1. **Limited Availability and Lead Times** Mopar parts, while high-quality, can sometimes be harder to find than generic aftermarket alternatives. Depending on the supplier, you may experience longer wait times for delivery, especially if ordering from a specialty parts dealer.

2. **Potential for Counterfeit Parts** Since Mopar parts are in demand, there is a risk of purchasing counterfeit or low-quality replicas. Always buy from reputable dealers (e.g., Mopar Authorized Parts Stores, eBay verified sellers, or trusted online marketplaces) to avoid this issue.

3. **Cost Compared to Aftermarket Options** While Mopar parts are durable, they can be more expensive than generic aftermarket alternatives. For example, a similar fuel vent pipe from a non-branded supplier might cost significantly less, though quality may vary.

4. **Installation Challenges for DIYers** While the installation is manageable, some users may find it tricky if they lack experience with fuel system work. Improper installation (e.g., kinking lines, incorrect routing) can lead to performance issues or even fuel leaks.

5. **Compatibility with Aftermarket Mods** If you ve modified your Dart s fuel system (e.g., upgraded fuel lines, added a fuel pump, or installed a turbocharger), you may need to adjust the vent pipe setup to ensure proper function. This could require additional parts or modifications.

6. **Rust and Corrosion Concerns (for Older Cars)** If your Dart has existing rust or corrosion in the fuel tank area, the vent pipe installation may need extra sealing or reinforcement to prevent leaks. This could add to the labor or material costs.

7. **Emissions Compliance (if applicable)** While this part is designed for stock applications, some modern emissions regulations (if retrofitting an older car) might require additional components (e.g., EVAP system hoses) that aren t included with the vent pipe alone.

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The **Mopar 54-DA-71 fuel vent pipe and floor cap** is a high-quality, reliable part that offers significant benefits for 1970-1971 Dodge Dart A-body owners. It ensures proper fuel system function, prevents common issues like vapor lock and leaks, and maintains the vehicle s original integrity. However, it comes with some drawbacks, primarily related to cost, availability, and the potential for installation challenges if not approached carefully.

For **restoration projects, high-performance builds, or owners prioritizing authenticity**, this part is highly recommended. It s worth the investment if you want peace of mind knowing your fuel system is operating correctly. If you re on a tight budget or working with a modified fuel system, you may need to weigh the pros and cons against aftermarket alternatives but be cautious of quality trade-offs.

- **Buy from an authorized Mopar dealer or a trusted online retailer** (e.g., RockAuto, Summit Racing, or a local Mopar parts store) to ensure authenticity and avoid counterfeits.

- **Follow the installation instructions carefully**, and consider consulting a mechanic if you re unsure about routing or sealing.

- **Pair this part with a fuel system inspection** (e.g., checking for rust, leaks, or damaged lines) to ensure long-term reliability.

- **If cost is a concern**, compare it to high-quality aftermarket alternatives (e.g., from companies like **Eagle, Moroso, or Speedhawk**) but verify reviews and compatibility before purchasing.

**Final Verdict:** **Highly recommended for stock or restored applications.** If you value durability, fitment, and originality, this is the best choice for your 1970-1971 Dart s fuel vent system.

Details:

part #: 54da71 price

• $213.75

specifications fueltanksysteme:

• for models: Dart
• for makes: Mopar
• mpn: 54-da-71
• shape: Oval
• items included: Original Cap Screws
• material: Steel
• vintage part: Yes
• placement on vehicle: Trunk
• fuel type: Gasoline
• type: Fuel Vent Floor Section Cap
• item height: 2in
• features: Original Floor Section Cap
• country of origin: United States
• item width: 14 In
• performance part: No

seller fueltanksysteme:

• # reviews: 973
• city: Mount Pleasant, North Carolina
• rating: 100.0%

returns fueltanksysteme:

• policy: No Returns

payments fueltanksysteme:

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

general fueltanksysteme:

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

shipping fueltanksysteme:

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

offer fueltanksysteme:

• sold: 0
• best offers: True
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: March 20, 2026

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