AUDI 177.AU1C16 Fuel Door Filler

( Part Type: Fuel Door Filler ), ( Genuine Oem: Yes ), ( Ipn: 177.au1c16 ), ( Warranty: 90 Day ), ( Partout Id: A-123315567 )

Review AUDI Fuel Filler Door fits Q3 2016

The **Audi 177 AU1C16 (2016 model year) fuel filler door** is a meticulously engineered component designed to seamlessly integrate with the vehicle s sleek, aerodynamic styling while ensuring functionality and durability. Crafted from high-quality **painted steel** with a precision-machined finish, this door features a **smooth, flush-mounted design** that complements the car s modern aesthetic, particularly in the **Quattro (Q3) trim**, where attention to detail is paramount. The door is equipped with a **robust, weather-resistant gasket** that prevents water, dust, and debris from entering the fuel system, safeguarding both the vehicle s interior and performance. Its **magnetic latch mechanism** ensures a secure yet effortless closure, with a subtle yet satisfying click upon engagement, reinforcing Audi s commitment to refined engineering.

The fuel filler door is engineered to accommodate the **Audi s fuel system specifications**, including the **177 AU1C16 engine variant**, which typically utilizes a **direct-injection 2.0L turbocharged four-cylinder** or similar high-performance setup. The door s **reinforced mounting points** and **precision-cut contours** allow for a snug fit, minimizing gaps and ensuring optimal sealing. Inside, the door houses a **durable, ergonomically designed fuel cap release lever**, accessible from the interior via a cable mechanism, allowing for convenient refueling without compromising the vehicle s streamlined appearance. The **exterior fuel filler opening** is strategically positioned for easy access while maintaining the car s aerodynamic efficiency, a hallmark of Audi s design philosophy.

Constructed to meet **strict automotive industry standards**, including **ISO/TS 16949 and Audi-specific quality protocols**, this component is built to withstand the rigors of daily driving, including exposure to varying weather conditions, road debris, and mechanical stress. The **paint finish** is designed to match the vehicle s bodywork, ensuring a seamless visual integration, while the **internal components** are treated with corrosion-resistant coatings to prevent rust and degradation over time. Whether installed on a **sedan, SUV, or coupe variant** of the 2016 Audi lineup, this fuel filler door exemplifies the brand s dedication to **precision, performance, and premium craftsmanship**, delivering both form and function in equal measure.

### Pros and Cons of Buying a 2016 Audi A3 (1.77 AU1C16, Q3 Fuel Filler Door)

The 1.77-liter TFSI engine (AU1C16) in the 2016 Audi A3 is a refined and efficient turbocharged unit, delivering a good balance of power (around 150 170 hp, depending on the trim) and fuel economy. It is known for being smooth and reliable, especially when well-maintained.

The 2016 Audi A3 comes in both sedan and Q3 (compact SUV) variants. The Q3 offers a slightly higher driving position, better ground clearance, and a more rugged appearance, which may appeal to those who prefer an SUV-like experience without the full-size SUV compromises.

Audi is a well-regarded luxury brand, and the A3 is its entry-level model, offering a premium driving experience with high-quality materials, refined interiors, and Audi s signature design language. This can enhance resale value compared to mainstream competitors.

- **Virtual Cockpit** (digital instrument cluster) in higher trims.

- **MMI Navigation Plus** (infotainment system with touchscreen and voice control).

- **Adaptive Cruise Control** and **Audi Pre Sense** (collision mitigation) in some trims.

- **Ambient Lighting** and **Heated Seats** in premium configurations.

The Q3 also often includes features like **Audi Drive Select** (driving modes) and **Audi Park Assist** (parking assistance).

The 1.77 TFSI engine is relatively fuel-efficient for its class, offering around **20 25 mpg combined** (varies by trim and driving conditions). This is competitive with similar luxury compact cars.

The AU1C16 engine is generally reliable, especially if the car has been serviced according to Audi s maintenance schedule. Common issues (like oil consumption or turbocharger failures) are more likely in high-mileage or poorly maintained examples, but a well-documented history reduces these risks.

Audi A3s hold their value reasonably well compared to some mainstream brands, particularly if they have been cared for and have a clean service history.

---

The mention of the "fuel filler door" suggests a potential problem with the gas cap or door mechanism. Common issues with Audi s fuel filler doors include:

- **Sticking or misaligned doors** (often due to wear or corrosion).

- **Electronic malfunctions** where the door fails to open/close properly, sometimes triggering a check engine light.

- **Water ingress** if the seal is damaged, leading to electrical or interior issues.

This could be a minor annoyance or a more serious problem if it affects fueling or triggers other diagnostic trouble codes.

Audi is a luxury brand, and parts, labor, and maintenance can be expensive. Regular servicing (e.g., oil changes, timing belt replacement if applicable) should be done by an Audi dealer or a qualified mechanic to avoid long-term issues. Neglecting maintenance can lead to costly repairs, especially with turbocharged engines.

- **Oil consumption** (some owners report burning oil, requiring frequent top-ups).

- **Turbocharger failures** (especially in high-mileage examples or those with poor maintenance).

- **Carbon buildup** in the intake valves (common in turbocharged engines, leading to rough idling or power loss).

A pre-purchase inspection (PPI) is highly recommended to check for these issues.

- **Faulty sensors** (e.g., mass airflow sensor, throttle position sensor).

- **Infotainment glitches** (MMI system freezing or unresponsiveness).

- **Window regulator failures** or **central locking issues**.

These can be frustrating and costly to repair.

The 2016 A3/Q3 may show signs of rust, particularly in areas like the wheel arches, sills, and undercarriage, depending on the region s climate. A thorough inspection of the undercarriage and body panels is essential.

While the A3/Q3 offers a sporty feel, some owners find the suspension firm, leading to a less comfortable ride on rough roads compared to competitors like the BMW 2 Series or Mercedes-Benz C-Class.

Like most luxury cars, the Audi A3 loses value quickly. If you plan to keep it long-term, depreciation could impact its overall cost of ownership.

The A3 sedan and Q3 have compact interiors, especially in the rear seat. Legroom and cargo space are tight compared to larger sedans or SUVs, which may be a drawback for families or those frequently carrying large items.

---

The 2016 Audi A3 (1.77 AU1C16, Q3) is an attractive choice for buyers seeking a refined, premium compact car or SUV with a good balance of performance and efficiency. Its strengths lie in its smooth engine, luxury features, and Audi s brand appeal. However, potential buyers must be aware of common issues like fuel filler door problems, engine reliability concerns (especially oil consumption and turbocharger health), and the higher cost of ownership associated with Audi s maintenance.

The **fuel filler door issue** is a red flag that warrants immediate attention. If the problem is minor (e.g., a loose or misaligned door), it may be an easy fix. If it s part of a larger electrical or structural issue (e.g., water ingress, wiring problems), it could indicate neglect or a more serious underlying problem. A **pre-purchase inspection (PPI) by a trusted mechanic or Audi specialist** is **mandatory** before purchasing this car.

---

- Proceed with caution. Ensure the seller provides proof of recent repairs or a service history confirming the issue was addressed.

- Negotiate the price downward if the problem is known and unresolved.

- Get a **detailed PPI** to confirm no other hidden issues exist, particularly with the engine, electrical system, or rust.

- Walk away unless the price is significantly reduced to account for the risks.

- Consider alternative used cars with a cleaner service history, such as a well-maintained BMW 2 Series, Volkswagen Passat, or Toyota Camry, which may offer better long-term reliability.

- Budget for potential repairs, especially if the engine or electrical system has not been properly maintained.

- Plan to service it at an Audi dealer or a reputable mechanic to avoid future surprises.

- Monitor for signs of oil consumption or turbocharger issues during the first few months of ownership.

**Final Verdict:** The 2016 Audi A3 Q3 (1.77 AU1C16) can be a great buy if the fuel filler door issue is minor and the car has been well-maintained. However, the risks of engine problems and high ownership costs mean it s not the safest used purchase without thorough due diligence. If you prioritize reliability over luxury, consider alternatives with a proven track record.

Details:

All parts are guaranteed, including electrical. Once an item is purchased extended warranty cannot be added to the order. Warranty All parts sold are covered with our standard 90 Day. Add $100 for Residential delivery.

If you can still use the item, notate damage on delivery ticket that driver is keeping then hand it back to them. Add $85 for Lift gate delivery. Please compare part numbers BEFORE purchasing. Warranty periods begin at date of purchase.

If there has been any damage to the item during shipping inspect see if you can still use it or not. There may be small nicks, scratches and fading, common occurrences on a used part. Shipping Most items ship via UPS Ground.

part #: 177.au1c16 prices

• $59.10-$139.50

specifications fueltanksysteme:

• for models: Q3
• for makes: Audi
• for years: 2016
• part type: Fuel Door Filler
• genuine oem: Yes
• ipn: 177.au1c16
• warranty: 90 Day
• partout id: A-123315567

general fueltanksysteme:

• condition: Used
• Exterior Parts Accessories > Panels > Fuel doors Components

returns fueltanksysteme:

• paid by: Seller
• time: 60 Days
• policy: Returns Accepted

shipping fueltanksysteme:

• carrier: UPS
• type: Fixed
• transit: 2-6 Days
• class: Standard
• cost: $0.00
• service: UPS Ground

seller fueltanksysteme:

• # reviews: 7068
• city: Haltom City, Texas
• rating: 99.7%

offer fueltanksysteme:

• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: April 16, 2026
• sold: 0
• quantity: 1

payments fueltanksysteme:

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

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