MAZDA KMV6-42-231A Filler Hose

( Manufacturer Part Number: KMV6-42-231A ), ( Part Type: Filler Hose ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 10 On The Diagram Is Included ), ( Replaces Part Number: Kmv6-42-231 )

Review MAZDA Genuine Filler Hose

The **Mazda KMV6-42-231A Filler Hose** is a high-quality, precision-engineered replacement part designed specifically for Mazda vehicles equipped with the KM engine family, including models like the Mazda6, Mazda3, and Mazda CX-7 from the late 2000s through the early 2010s. This filler hose serves as a critical component of the vehicle s fuel system, ensuring a secure and leak-free connection between the fuel tank filler neck and the fuel cap, while also maintaining proper airflow and pressure regulation within the fuel tank. Crafted from durable, fuel-resistant rubber with reinforced synthetic fibers, this hose is engineered to withstand the harsh conditions of automotive environments, including exposure to gasoline vapors, temperature fluctuations, and mechanical stress from vibrations and road irregularities. The KMV6-42-231A features a tight, interference-fit design with a smooth, flexible interior to prevent clogging or kinking, while its robust exterior construction ensures longevity and resistance to cracking or degradation over time. Whether used in a routine maintenance upgrade or as an essential repair for a worn-out original component, this filler hose guarantees a reliable seal, helping to maintain optimal fuel system performance and prevent fuel leaks or vapor emissions that could compromise engine efficiency or pose safety hazards. Its compatibility with Mazda s fuel system architecture ensures a seamless fit, allowing for easy installation by mechanics or DIY enthusiasts with basic automotive tools. By choosing this high-performance filler hose, vehicle owners can restore their Mazda s fuel system to factory specifications, ensuring peace of mind during daily driving and long-term reliability.

**Pros and Cons of buying a Mazda KMV6-42-231A Filler Hose**

The Mazda KMV6-42-231A is a fuel filler hose, a critical component for the proper operation of your vehicle s fuel system. Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros**

1. **Direct Fitment and Compatibility**

The KMV6-42-231A is designed as an original equipment (OEM) replacement part for specific Mazda models, particularly those with the Skyactiv-G or related fuel systems. This ensures a precise fit without the need for modifications, reducing the risk of leaks or improper installation.

2. **High-Quality Materials**

Mazda parts, including aftermarket replacements like this hose, are typically manufactured with durable materials such as reinforced rubber or synthetic compounds. These materials are resistant to fuel degradation, heat, and UV exposure, which extends the hose s lifespan compared to cheaper, generic alternatives.

3. **Reliability and Performance**

A properly functioning filler hose ensures a secure connection between the fuel cap and the fuel tank, preventing fuel spills, vapor leaks, or contamination. This contributes to smoother engine performance and reduces the risk of fuel system issues like clogs or evaporative emissions problems.

4. **Ease of Installation**

Since this is a straightforward replacement part, it can often be installed without specialized tools or professional assistance. Many drivers with basic mechanical knowledge can replace it themselves, saving on labor costs.

5. **Compatibility with Emissions Standards**

Modern vehicles, including those requiring the KMV6-42-231A, are designed to meet strict emissions regulations. A properly functioning filler hose helps maintain the vehicle s compliance with these standards, avoiding potential issues during emissions testing.

6. **Warranty and Support**

Purchasing from reputable sellers (such as Mazda-approved dealers or trusted online retailers) may include warranties or return policies. This provides peace of mind in case the part fails prematurely or does not fit as expected.

7. **Prevents Costly Repairs**

A failing filler hose can lead to fuel leaks, which may damage the fuel tank, undercarriage, or catalytic converter. Replacing it proactively is far less expensive than addressing secondary damage caused by a leak.

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### **Cons**

1. **Cost Compared to Generic Alternatives**

The KMV6-42-231A is priced higher than many generic or aftermarket filler hoses. While this reflects its quality and compatibility, budget-conscious buyers may opt for cheaper options, risking compatibility or durability issues.

2. **Limited Availability**

Depending on the region or retailer, this specific part may not be readily available in local stores. Buyers may need to order it online, which could result in longer wait times for delivery.

3. **Potential for Counterfeit Parts**

Purchasing from untrusted sellers increases the risk of receiving counterfeit or substandard parts. These may fail quickly, leak, or not fit properly, leading to additional repair costs or safety hazards.

4. **Installation Challenges for Some Users**

While the hose itself is simple to replace, some vehicles may require disassembling parts of the fuel system (e.g., removing the fuel tank or trim panels) to access it. This can be time-consuming or difficult for inexperienced DIYers.

5. **Mixed Reviews on Aftermarket Quality**

Even though this part is designed as an OEM replacement, some aftermarket versions may vary in quality. Buyers should research the specific brand or seller to ensure they are getting an authentic or high-quality replica.

6. **Environmental and Disposal Concerns**

Fuel hoses contain materials that may not be easily recyclable. If the part needs to be replaced frequently, disposal could become an ongoing concern, though this is more of a general issue with automotive parts rather than a flaw specific to this hose.

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### **Conclusion**

The Mazda KMV6-42-231A filler hose is a reliable and high-quality replacement part for Mazda vehicles, offering precise fitment, durability, and compatibility with modern fuel systems. Its advantages such as reduced risk of leaks, ease of installation, and alignment with emissions standards make it a strong choice for drivers prioritizing performance and longevity. However, the higher cost and potential availability issues may deter budget-conscious buyers or those unwilling to invest in OEM-quality parts.

For most Mazda owners experiencing a failing filler hose, the KMV6-42-231A is a worthwhile investment. It minimizes the risk of secondary damage, ensures a secure fuel system, and aligns with the vehicle s original specifications. If cost is a major concern, buyers should carefully compare generic alternatives, ensuring they meet Mazda s specifications and come from trusted sources.

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### **Recommendation**

- You own a Mazda model that requires this specific part (e.g., certain 2013 2023 models with Skyactiv-G engines).

- You prioritize OEM-quality fitment and durability over cost savings.

- You are comfortable purchasing from authorized Mazda dealers or reputable online retailers to avoid counterfeit parts.

- You plan to install it yourself or have access to a mechanic who can ensure proper installation.

- You are on a tight budget and can find a high-quality generic filler hose that meets Mazda s specifications (e.g., parts from reputable brands like ACDelco or Bosch).

- You are unsure about the part s compatibility with your exact vehicle model always verify the part number and year before purchasing.

- You are uncomfortable with DIY installation and prefer to have a professional handle the replacement to avoid mistakes.

**Final Verdict:** For Mazda owners seeking a reliable, long-lasting replacement, the KMV6-42-231A is the best choice. However, thorough research and purchasing from trusted sources are essential to avoid counterfeit or low-quality duplicates. If the part is within budget and available, it is highly recommended.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable. Parts must be resalable and in the original packaging.

part #: kmv642231a prices

• $58.02-$124.99

specifications fueltanksysteme:

• for makes: Mazda
• mpn: Kmv6-42-231a
• part type: Filler Hose
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• parts included: Only Part Reference 10 On The Diagram Is Included
• replaces part number: Kmv6-42-231

shipping fueltanksysteme:

• type: Fixed
• service: Standard
• transit: 5-10 Days
• class: Standard
• cost: $34.31

general fueltanksysteme:

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

offer fueltanksysteme:

• quantity: 2
• started: February 25, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home

returns fueltanksysteme:

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

payments fueltanksysteme:

• wallet: Paypal
• other
• credit card: Diners-club

seller fueltanksysteme:

• # reviews: 2318
• rating: 99.1%
• city: Fairhaven, Massachusetts

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