MAZDA N350-15-175 Filler Neck RX-7

( Manufacturer Part Number: N350-15-175 ), ( Model: RX-7 ), ( Part Type: Filler ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 1986 1987 1988 1989 1990 1991 ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review MAZDA Genuine Filler Neck fits 1986–1991

The **Mazda N350-15-175 Filler Neck** is a meticulously engineered component designed specifically for Mazda s N350 engine family, serving as the critical interface between the engine s fuel system and the vehicle s fuel tank. Crafted from high-quality, corrosion-resistant materials, this filler neck ensures a secure and leak-proof connection while maintaining optimal airflow to prevent fuel vapor buildup, which could otherwise compromise engine performance or trigger unnecessary emissions checks. The design features a robust, durable construction with precision-machined threads and a tight-sealing gasket, guaranteeing a reliable fit on Mazda models from the 2015 to 2017 model years, including popular vehicles like the Mazda3, Mazda6, and CX-5. Its sleek, aerodynamic shape minimizes drag and interference with the vehicle s underbody, contributing to both functionality and aesthetic harmony. The filler neck is equipped with a sturdy metal bracket for easy installation, allowing mechanics to secure it firmly to the fuel tank or frame rail without additional hardware. Whether replacing a worn-out part or upgrading for enhanced durability, this filler neck delivers a seamless, long-lasting solution that adheres to Mazda s stringent engineering standards, ensuring optimal fuel system efficiency and vehicle reliability.

### Pros and Cons of Buying a Mazda N350 (15" x 175) Filler Neck

1. **Compatibility and Fit:** The Mazda N350 is specifically designed to fit Mazda models with a 15-inch wheel size and a 175mm (6.9-inch) offset. This ensures a proper fit without interference with suspension components, brakes, or body panels, reducing the risk of damage or alignment issues.

2. **Durability:** Mazda s filler necks are generally constructed from high-quality materials, including reinforced plastic or composite materials, which are resistant to warping, cracking, or deformation over time. This makes them a reliable choice for long-term use.

3. **Aesthetic Appeal:** The N350 filler neck is designed to complement Mazda s styling cues, particularly on models like the Mazda3, Mazda6, or MX-5 (Miata). It provides a clean, factory-like appearance without the need for extensive modifications, enhancing the vehicle s overall look.

4. **Easy Installation:** Compared to aftermarket filler necks, the N350 is often straightforward to install, especially if you have basic mechanical skills. It typically requires minimal tools and can be fitted without drilling or extensive modifications to the wheel well.

5. **Support for Aftermarket Wheels:** If you plan to upgrade to aftermarket wheels, the N350 filler neck is compatible with a wide range of wheel brands and sizes, provided they meet the specified offset and bolt pattern. This flexibility makes it a practical choice for customization.

6. **Rust Resistance:** Mazda s filler necks are often treated or coated to resist corrosion, which is particularly beneficial for vehicles driven in harsh climates or near coastal areas where salt and moisture can accelerate rust.

7. **Warranty Coverage:** Purchasing from an authorized Mazda dealer or a reputable aftermarket supplier may include a warranty, providing peace of mind against manufacturing defects.

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1. **Limited Customization:** Unlike some aftermarket filler necks, the N350 is not designed for extreme modifications. If you plan to run very wide or aggressive wheels, you may still encounter clearance issues, requiring additional modifications like wheel spacers or suspension adjustments.

2. **Potential Cost:** While not excessively expensive, the N350 may be more costly than generic aftermarket filler necks, especially if purchased from an official Mazda dealer. However, the price is often justified by its quality and fitment.

3. **Availability:** Depending on your location, the N350 may not be as widely available as universal filler necks. You may need to order it online or from a specialty parts supplier, which could delay installation.

4. **Weight:** Some filler necks, including the N350, may add slight weight to the wheel assembly. While the difference is minimal, it could have a negligible impact on handling, particularly in high-performance applications.

5. **Potential for Misalignment:** If not installed correctly, the filler neck could cause slight misalignment of the wheel, leading to uneven tire wear or handling issues. Proper installation is critical to avoid this problem.

6. **Compatibility with Non-Mazda Models:** The N350 is Mazda-specific, so it will not fit other brands unless they share identical wheel well dimensions. This limits its versatility if you ever switch vehicle brands.

7. **Potential for Aftermarket Conflicts:** If you ve previously modified your wheel well (e.g., with spacers, wheel adapters, or custom trim), the N350 may not fit as intended, requiring additional adjustments.

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The Mazda N350 (15" x 175) filler neck is an excellent choice for Mazda owners looking to upgrade their wheels while maintaining a factory-like appearance and ensuring proper fitment. Its durability, compatibility, and ease of installation make it a practical and reliable option for most applications. However, if you plan extensive wheel modifications or drive a non-Mazda vehicle, you may need to explore alternative solutions.

For the average Mazda enthusiast seeking a balance between quality, fitment, and aesthetics, the N350 is highly recommended. If budget or availability is a concern, comparing it to other Mazda-specific or high-quality aftermarket options may be worthwhile.

If you own a Mazda model with a 15-inch wheel and a 175mm offset (e.g., Mazda3, Mazda6, or MX-5), purchasing the Mazda N350 filler neck is a strong choice. Ensure you verify the exact specifications of your vehicle (bolt pattern, hubcentricity, and wheel well clearance) before purchasing to confirm compatibility. If you re unsure about installation, consult a professional mechanic or Mazda specialist to avoid potential issues. For non-Mazda vehicles or extreme customization projects, research alternative filler necks that better suit your needs.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable. Genuine Mazda Parts. In stock orders ship within 24 hours.

Parts must be resalable and in the original packaging.

part #: n35015175 prices

• $73.17-$87.91

specifications fueltanksysteme:

• for makes: Mazda
• for years: 1986-1991
• mpn: N350-15-175
• model: Rx-7
• part type: Filler
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• year: 1986 1987 1988 1989 1990 1991
• parts included: Only Part Reference 0 On The Diagram Is Included

offer fueltanksysteme:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1
• started: April 17, 2026

payments fueltanksysteme:

• other
• wallet: Paypal
• credit card: Discover

shipping fueltanksysteme:

• transit: 4-8 Days
• class: Standard
• service: Standard
• type: Fixed
• cost: $12.50

general fueltanksysteme:

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

returns fueltanksysteme:

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

seller fueltanksysteme:

• city: Dallas, Texas
• # reviews: 1273
• rating: 99.1%

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