AUDI 4H0971727B Fuel Gas Tank Reservoir Filler Neck

( Manufacturer Part Number: 4H0971727B ), ( Type: Fuel Tank ), ( Manufacturer Warranty: 6 Months ), ( Oe/oem Part Number: 4h0201021, 4h0971727 ), ( Items Included: Fuel Tank Filler Hose ), ( Fitment Type: Direct Replacement ), ( Fuel Type: Gasoline )

Review AUDI Fuel Gas Tank Reservoir Filler Neck Oem fits QUATTRO A8 2013–2018

The **Audi 4H0 971 727B (2013 2018, A8 LWB Quattro) Fuel Gas Tank Reservoir Filler Neck** is a precision-engineered component designed to ensure a secure and leak-free connection between the vehicle s fuel system and the filler neck assembly. Crafted from high-grade, corrosion-resistant materials, this filler neck is built to withstand the rigorous demands of Audi s high-performance drivetrain while maintaining optimal fuel flow and system integrity. The part features a robust, interference-fit design that aligns seamlessly with the original fuel tank reservoir, preventing misalignment or improper sealing that could lead to fuel spillage or vapor leaks. Its sleek, aerodynamic contour not only enhances the vehicle s aesthetic continuity but also minimizes turbulence during refueling, reducing the risk of fuel splashing and ensuring a cleaner, more efficient filling process. Engineered to meet Audi s stringent quality standards, this filler neck incorporates a precise O-ring seal system that guarantees a tight, airtight closure once the fuel cap is securely fastened, thereby maintaining proper fuel vapor pressure and preventing emissions. Whether installed in an A8 LWB Quattro equipped with a standard gasoline system or a hybrid configuration, this filler neck is a critical component that contributes to both performance reliability and long-term durability. Its compatibility with Audi s advanced fuel management systems ensures seamless integration, making it an essential replacement for maintenance, repairs, or upgrades where the original part has been damaged or worn.

**Pros and Cons of Buying an Audi 4H0971727B (Fuel Gas Tank Reservoir Filler Neck, 2013 2018 A8 Quattro)**

1. **Direct Fitment and Compatibility** This part is specifically designed for the 2013 2018 Audi A8 Quattro, ensuring an exact match in terms of dimensions, connectors, and mounting points. This reduces the risk of installation errors or leaks that could arise from aftermarket or mismatched parts.

2. **OEM Quality** As an original equipment manufacturer (OEM) component, it is built to Audi s stringent standards, which typically means better durability, sealing, and resistance to fuel system contaminants compared to generic or low-quality aftermarket alternatives.

3. **Reliability and Longevity** OEM parts are less likely to fail prematurely due to poor materials or manufacturing defects. This can save time and money in the long run by avoiding repeated replacements or related fuel system issues (e.g., fuel leaks, clogs, or sensor malfunctions).

4. **Warranty Coverage** Purchasing from a reputable dealer or authorized supplier may include a warranty, offering protection against defects. This is particularly useful if the part fails shortly after installation.

5. **Easier Installation** Since it is designed for your specific vehicle model, the filler neck should align perfectly with the fuel tank and gas cap, simplifying the replacement process compared to aftermarket parts that may require modifications or additional tools.

6. **Prevents Fuel System Contamination** A faulty filler neck can allow debris, moisture, or even small animals into the fuel tank, leading to clogs or engine performance issues. Replacing it with an OEM part ensures a clean and secure fuel intake system.

7. **Maintains Resale Value** If you plan to sell the vehicle later, using OEM parts for repairs or replacements can reassure potential buyers that the car has been well-maintained with genuine components.

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1. **Higher Cost** OEM parts are generally more expensive than aftermarket alternatives. The price may be significantly higher, especially if purchased directly from Audi or an authorized dealer. This can be a drawback if you are on a tight budget or looking for cost-effective repairs.

2. **Limited Availability** Depending on the region, OEM parts may not be as widely stocked as aftermarket options. This could lead to longer wait times for delivery, particularly if the part is no longer in production or is discontinued.

3. **Potential for Overpricing** Some dealers or online sellers may mark up OEM parts beyond their actual cost, especially if demand is high or the part is perceived as "premium." It s important to compare prices across multiple sources to avoid overpaying.

4. **No Customization Options** Unlike aftermarket parts, OEM filler necks do not offer customization in terms of materials (e.g., stainless steel alternatives), colors, or additional features (e.g., integrated fuel level sensors). If aesthetics or performance enhancements are a priority, aftermarket options might be more appealing.

5. **Mixed Quality Perception** While OEM parts are generally reliable, there have been rare instances of quality control issues in some Audi models, particularly in older or less common parts. However, this is uncommon and typically resolved through warranty claims.

6. **Environmental and Ethical Concerns** OEM parts often come from new manufacturing, which may have environmental implications (e.g., resource extraction, packaging waste). If sustainability is a concern, aftermarket or refurbished parts might be a more eco-friendly alternative, though this depends on the sourcing.

7. **Potential for Unnecessary Replacement** If the filler neck is not the root cause of a fuel system issue (e.g., a faulty fuel pump or clogged filter), replacing it alone may not resolve the problem. This could lead to wasted money if the underlying issue persists. A thorough diagnosis by a mechanic is advisable before purchasing.

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The Audi 4H0971727B filler neck is a high-quality, reliable OEM part that ensures compatibility, durability, and peace of mind for your 2013 2018 A8 Quattro. Its benefits in terms of fitment, longevity, and warranty coverage make it a strong choice for those prioritizing quality and long-term reliability. However, the higher cost and potential availability issues may be drawbacks for budget-conscious buyers or those in regions with limited access to OEM parts.

If your primary goal is to fix a specific issue (e.g., a leaking filler neck or fuel cap misalignment) and you can afford the premium, the OEM part is the safest and most practical option. If cost is a major concern, you may explore aftermarket alternatives *only after verifying their compatibility and reviews*, but be prepared for potential trade-offs in quality or fit.

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1. **Verify the Need** Confirm that the filler neck is indeed the source of the problem (e.g., leaks, fuel cap issues, or sensor malfunctions). A mechanic can diagnose this accurately to avoid unnecessary expenses.

2. **Purchase from a Trusted Source** Buy the part from an authorized Audi dealer, a reputable online retailer (e.g., RockAuto, Amazon, or eBay with positive seller ratings), or a parts exchange program. Avoid unknown sellers to prevent receiving counterfeit or damaged goods.

3. **Compare Prices** Check prices across multiple sources to ensure you are getting a fair deal. Sometimes, third-party sellers offer competitive pricing while still providing OEM-quality parts.

4. **Consider Aftermarket as a Last Resort** If the OEM part is significantly overpriced or unavailable, research high-quality aftermarket alternatives (e.g., from brands like Mann Filter, Denso, or Bosch) that are specifically rated for Audi models. Look for parts with:

- Positive reviews for fitment and durability.

- Clear compatibility statements (e.g., "Direct fit for 2013 2018 Audi A8").

- Warranties or return policies.

5. **Install Professionally** While some may attempt a DIY replacement, fuel system work can be hazardous due to fumes and electrical components. If unsure, have a mechanic or Audi specialist perform the installation to ensure proper sealing and functionality.

6. **Check for Refurbished or Used Options** If the part is no longer in production, explore refurbished OEM parts from reputable sources, though these may come with limited or no warranty.

**Final Verdict:** For most owners of the 2013 2018 Audi A8 Quattro, the **OEM filler neck (4H0971727B) is the best choice** due to its reliability and compatibility. However, weigh the cost against your budget and priorities, and always prioritize quality over price when it comes to fuel system components. If you proceed with an aftermarket part, ensure it meets or exceeds OEM standards in terms of materials and fit.

Details:

WARRANTY: Accepted within 6 months of purchase. It has normal wear of use because it is a used part.

part #: 4h0971727b prices

• $77.99-$169.64

specifications fueltanksysteme:

• for models: A8, Quattro
• for makes: Audi
• for years: 2013-2018
• mpn: 4h0971727b
• type: Fuel Tank
• manufacturer warranty: 6 Months
• oe/oem part number: 4h0201021, 4h0971727
• items included: Fuel Tank Filler Hose
• fitment type: Direct Replacement
• fuel type: Gasoline

seller fueltanksysteme:

• rating: 99.5%
• # reviews: 53738
• city: West Sacramento, California

shipping fueltanksysteme:

• class: Freight
• cost: $295.00
• type: Fixed
• service: Flat Rate Freight

returns fueltanksysteme:

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

payments fueltanksysteme:

• other
• wallet: Google-pay
• credit card: Mastercard

general fueltanksysteme:

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

offer fueltanksysteme:

• options: Ship-to-home
• quantity: 1
• best offers: True
• availability: In Stock
• sold: 0
• started: March 11, 2026

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