MAZDA BN8F42280A Fuel Filler Neck Gas Cap

( Manufacturer Part Number: BN8F42280A ), ( Model: MAZDA-3 ), ( Part Type: Fuel Filler Cap ), ( Id: 0129ad31-cdf1-4a3c-8f7f-bd1ddf29c362 ), ( Interchange: 179-cpi ), ( Year: 2005 ), ( Partout Id: A-128978054 )

Review MAZDA Fuel Filler Neck Assembly Gas Cap Oem fits 2004–2006

The **Mazda BN8F42280A fuel filler neck and gas cap assembly** for the **2004 2006 Mazda6 (BN)** is a precision-engineered component designed to ensure a secure, leak-free connection between the vehicle s fuel system and the gas tank. Crafted from high-quality **polypropylene and reinforced rubber gaskets**, this assembly combines durability with a tight seal to prevent fuel vapors from escaping while maintaining optimal airflow for proper fuel delivery. The **fuel filler neck** features a sleek, aerodynamic design that integrates seamlessly with Mazda s signature styling, blending functionality with aesthetic appeal. The **gas cap**, equipped with a **spring-loaded locking mechanism**, ensures a secure fit, reducing the risk of accidental detachment during transit or refueling. This assembly is engineered to withstand the rigors of daily driving, including exposure to varying temperatures, road debris, and fuel system pressure fluctuations, making it a reliable choice for maintaining the integrity of your Mazda s fuel system. Whether you re restoring a classic BN-series Mazda6 or performing routine maintenance, this OEM-replacement part guarantees a perfect match in fit, finish, and performance, ensuring optimal fuel efficiency and engine protection.

Buying a replacement fuel filler neck and gas cap for a 2004-2006 Mazda with the BN8F42280A part number (likely the 2004-2006 Mazda6 or Mazda5) has both advantages and disadvantages to consider before making a purchase.

1. **Compatibility and Fit:** The part is specifically designed for your vehicle model and year, ensuring a proper fit without modifications. This reduces the risk of leaks or improper installation, which can lead to fuel spills or damage to the fuel system.

2. **Reliability:** OEM (Original Equipment Manufacturer) parts like this one are built to the same standards as the parts that came with your car. This means they are likely to be durable and perform consistently over time, reducing the likelihood of frequent replacements.

3. **Warranty:** Purchasing from a reputable seller often includes a warranty, providing peace of mind in case the part fails prematurely. This can be particularly useful if the part is critical to the vehicle s operation.

4. **Preventative Maintenance:** Replacing a worn or damaged fuel filler neck and cap can prevent fuel leaks, which can be hazardous and cause environmental contamination. It also helps maintain the integrity of your vehicle s fuel system, preventing potential damage to the fuel pump or other components.

5. **Ease of Installation:** Since the part is designed for your specific vehicle, the installation process should be straightforward, especially if you have some mechanical experience. This can save you time and labor costs compared to custom-fitted parts.

6. **Resale Value:** Maintaining your vehicle with genuine parts can help preserve its value, especially if you plan to sell or trade it in the future.

1. **Cost:** OEM parts can be more expensive than aftermarket alternatives. The price may be higher than generic or third-party replacements, which could be a significant factor if you are on a tight budget.

2. **Availability:** Depending on the seller and location, finding the exact part number (BN8F42280A) may require some effort. Some online marketplaces or local auto parts stores might not stock it in stock, leading to potential delays in receiving the part.

3. **Potential Counterfeit Parts:** There is a risk of purchasing counterfeit or low-quality OEM parts, especially if buying from untrusted sellers. These parts may not meet the original specifications, leading to poor performance, leaks, or failure.

4. **Labor Costs:** While the part itself is straightforward to replace, if you are not comfortable performing the work yourself, you may need to pay a mechanic to install it. Labor costs can add up, especially if the job requires additional steps like removing the fuel tank or trim panels.

5. **Overkill for Minor Issues:** If the fuel filler neck or cap is only slightly damaged or worn, replacing the entire assembly might be unnecessary. In some cases, a simpler repair or a less expensive aftermarket part could suffice.

6. **Environmental and Safety Concerns:** If the fuel filler neck or cap is damaged, it may already be leaking fuel, posing a fire hazard or environmental risk. Proper disposal of the old part is important to avoid contamination.

Buying the BN8F42280A fuel filler neck and gas cap for your 2004-2006 Mazda is a practical choice if you prioritize reliability, proper fit, and long-term performance. The part is designed specifically for your vehicle, reducing the risk of compatibility issues and ensuring a secure seal. However, the higher cost and potential availability challenges may make it less appealing if you are working with a limited budget or need a quick fix.

If the part is damaged due to wear and tear or an accident, replacing it with an OEM part is a sound investment in maintaining your vehicle s safety and efficiency. For minor issues or if cost is a significant concern, exploring aftermarket alternatives could be a viable option, though you should ensure they meet the necessary quality standards.

If you are confident in the quality of the seller and the part s authenticity, purchasing the BN8F42280A OEM fuel filler neck and gas cap is highly recommended. This ensures a reliable fit and performance, which is critical for the proper functioning of your vehicle s fuel system. If you are unsure about the part s condition or need a more budget-friendly solution, consider consulting with a mechanic to assess whether the part is truly necessary or if a less expensive alternative would work.

Additionally, if you are replacing the part yourself, follow the manufacturer s guidelines carefully and ensure proper disposal of the old part to avoid environmental hazards. If you are not comfortable with the installation process, seek the help of a professional to ensure it is done correctly.

Details:

This part will fit the following: MAZDA 3 04 model: MAZDA 3 04-05 i; Excl.Calif. Search for more parts MAZDA 3.

part #: bn8f42280a price

• $157.85

specifications fueltanksysteme:

• for makes: Mazda
• for years: 2004-2006
• mpn: Bn8f42280a
• model: Mazda-3
• part type: Fuel Filler Cap
• id: 0129ad31-cdf1-4a3c-8f7f-bd1ddf29c362
• interchange: 179-cpi
• year: 2005
• partout id: A-128978054

general fueltanksysteme:

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

shipping fueltanksysteme:

• class: Standard
• type: Fixed
• transit: 3-8 Days
• cost: $0.00
• service: Standard

payments fueltanksysteme:

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

returns fueltanksysteme:

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

seller fueltanksysteme:

• rating: 99.6%
• city: Brush, Colorado
• # reviews: 16675

offer fueltanksysteme:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• best offers: True
• started: May 21, 2026

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