MAZDA BJ0E-42-210B Fuel Tank Filler Neck

( Manufacturer Part Number: BJ0E-42-210B ), ( Part Type: Fuel Tank Filler ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 1999 2000 ), ( Parts Included: Only Part Reference 4 On The Diagram Is Included )

Review MAZDA Genuine Fuel Tank Filler Neck fits PROTEGE 1999–2000

The **Mazda BJ0E-42-210B Fuel Tank Filler Neck** is a precision-engineered component designed specifically for Mazda vehicles equipped with direct-injection gasoline systems, ensuring seamless compatibility and optimal performance. Crafted from high-quality, durable materials, this filler neck features a robust, corrosion-resistant construction that withstands the rigors of daily driving, extreme weather conditions, and exposure to fuel vapors. The design incorporates a secure, interference-fit connection to the fuel tank, preventing leaks while maintaining a tight seal that minimizes fuel evaporation and reduces emissions. Its sleek, aerodynamic profile not only enhances the vehicle s aesthetic appeal but also optimizes airflow around the filler opening, reducing the risk of debris or moisture ingress. The neck is engineered with a precise, interference-fit gasket system, ensuring a leak-proof seal that adheres to Mazda s stringent quality standards. This component is particularly suited for applications requiring a reliable, long-lasting solution, such as in the **CX-5, CX-30, Mazda3, Mazda6, or other models** utilizing the BJ0E engine platform. Whether installed during original equipment manufacturing or as a high-quality replacement part, the BJ0E-42-210B filler neck delivers uncompromising durability, precision fitment, and peace of mind for both automotive professionals and discerning vehicle owners.

**Pros and Cons of Buying a Mazda BJ0E-42-210B Fuel Tank Filler Neck**

The Mazda BJ0E-42-210B is a fuel tank filler neck commonly used in Mazda vehicles, particularly those with a fuel-injected engine system. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **Compatibility and Fitment**

The BJ0E-42-210B is designed specifically for Mazda vehicles, ensuring a precise fit with minimal modifications required. It is commonly used in models such as the Mazda3, Mazda6, and some Mazda CX-5 variants, particularly those produced between the late 2000s and early 2010s. This reduces the risk of installation issues compared to aftermarket parts that may not align perfectly.

2. **Durability and Quality**

Mazda parts are generally built to high standards, with robust materials that can withstand regular wear and tear. The filler neck is typically made from durable plastic reinforced with metal components, ensuring longevity if installed and maintained properly. This reduces the likelihood of premature failure due to poor material quality.

3. **Reliability in Functionality**

Since it is an original equipment manufacturer (OEM) part, the filler neck is designed to function seamlessly with Mazda s fuel system. It includes features such as a secure fuel cap seal, proper alignment for the fuel nozzle, and compatibility with the vehicle s fuel pump and lines. This minimizes issues like leaks, improper fuel flow, or damage to the fuel system during refueling.

4. **Ease of Installation**

As an OEM part, the BJ0E-42-210B is straightforward to install, especially for those familiar with basic automotive repairs. It often requires only basic tools, and the instructions (if provided) are typically clear. This makes it a practical choice for DIY enthusiasts or mechanics who prefer authenticity over aftermarket alternatives that may require additional adapters or modifications.

5. **Warranty and Support**

Purchasing from a reputable dealer or Mazda-approved supplier may come with a warranty, offering some level of protection against defects. This can be particularly valuable if the part fails shortly after installation. Additionally, Mazda s customer support and dealership networks can provide guidance if issues arise, though this may vary depending on the seller.

6. **Aesthetic Consistency**

For those who prioritize maintaining the original appearance of their vehicle, the OEM filler neck ensures a seamless look without the need for aftermarket modifications that could alter the car s design. This is particularly important for enthusiasts who value the vehicle s factory appearance.

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### **Cons**

1. **Cost**

One of the primary drawbacks of the Mazda BJ0E-42-210B is its price. As an OEM part, it is typically more expensive than aftermarket alternatives. The cost can vary depending on the supplier, but it is often significantly higher than generic or third-party filler necks. For budget-conscious buyers, this may be a significant deterrent.

2. **Limited Availability**

OEM parts, especially those for older or less common Mazda models, can be harder to source than aftermarket parts. Dealerships may carry them, but they are often sold on a first-come, first-served basis, and stock can be inconsistent. This can lead to delays in obtaining the part, particularly if the vehicle is not widely produced anymore.

3. **Potential for Counterfeit Parts**

When purchasing OEM parts from non-authorized sellers (such as online marketplaces or eBay), there is a risk of receiving counterfeit or refurbished parts that do not meet Mazda s quality standards. These parts may fail prematurely or not fit correctly, leading to additional repair costs and frustration. It is crucial to buy from trusted sources to avoid this issue.

4. **Overkill for Minor Repairs**

If the filler neck is damaged due to a minor accident (e.g., a small dent or crack) and the rest of the fuel system is in good condition, replacing the entire OEM part may be excessive. In such cases, an aftermarket part or a repair kit might suffice, offering a more cost-effective solution without sacrificing functionality.

5. **Environmental and Ethical Considerations**

Purchasing new OEM parts contributes to higher production waste and resource consumption. For environmentally conscious buyers, aftermarket parts that are recycled or made from sustainable materials might be a more ethical choice, though this depends on the specific aftermarket options available.

6. **Potential for Overpaying for Brand Name**

Some buyers may feel that they are overpaying for the Mazda brand name, especially if they are confident in the quality of aftermarket alternatives. While OEM parts are reliable, aftermarket parts from reputable manufacturers (e.g., ACDelco, Bosch, or specialized fuel system brands) can offer comparable performance at a lower cost.

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### **Conclusion**

The Mazda BJ0E-42-210B fuel tank filler neck is a high-quality, reliable OEM part that offers several advantages, particularly in terms of fitment, durability, and compatibility with Mazda vehicles. Its precision engineering ensures that it integrates seamlessly with the fuel system, reducing the risk of leaks, improper fuel flow, or installation complications. For owners who prioritize authenticity, ease of installation, and long-term reliability, this part is an excellent choice.

However, the higher cost, potential availability issues, and the risk of counterfeit parts are significant drawbacks. If budget is a concern or if the part is only needed for a minor repair, aftermarket alternatives may be more practical. Additionally, buyers should carefully research suppliers to ensure they are purchasing a genuine OEM part rather than a knockoff.

Ultimately, the decision to buy the Mazda BJ0E-42-210B depends on the buyer s priorities: whether they value the peace of mind of an OEM part over the potential savings of an aftermarket option. For most Mazda owners who seek a direct replacement with minimal risk of compatibility issues, this part is a strong recommendation.

### **Recommendation**

If you are replacing a damaged or worn-out filler neck in a Mazda vehicle and you have the budget, purchasing the **Mazda BJ0E-42-210B OEM filler neck** is highly recommended. It ensures a perfect fit, reliable performance, and long-term durability. To avoid counterfeit parts, buy from an authorized Mazda dealer, a trusted online retailer with verified seller ratings, or a reputable auto parts store that specializes in OEM components.

If cost is a major concern or if the part is only needed for a minor repair, consider a **high-quality aftermarket alternative** from a well-known brand (e.g., ACDelco, Bosch, or a Mazda-compatible fuel system supplier). Always verify the part s compatibility with your specific vehicle model and year before purchasing.

For most Mazda owners, the BJ0E-42-210B is the best choice for a hassle-free replacement that maintains the vehicle s integrity and performance.

Details:

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. Electrical parts are not returnable.

part #: bj0e42210b prices

• $35.00-$52.95

specifications fueltanksysteme:

• for models: Protege
• for makes: Mazda
• for years: 1999-2000
• mpn: Bj0e-42-210b
• part type: Fuel Tank Filler
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• year: 1999 2000
• parts included: Only Part Reference 4 On The Diagram Is Included

general fueltanksysteme:

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

shipping fueltanksysteme:

• class: Standard
• service: Standard
• cost: $35.49
• type: Fixed
• transit: 5-12 Days

seller fueltanksysteme:

• # reviews: 2537
• city: Fairhaven, Massachusetts
• rating: 99.3%

offer fueltanksysteme:

• quantity: 4
• availability: In Stock
• started: April 6, 2026
• options: Ship-to-home
• sold: 0

returns fueltanksysteme:

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

payments fueltanksysteme:

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

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