2019-2025 Audi Q3 Fender: A Buyer's Guide to Damage, Part Numbers, and Replacement
This guide covers everything you need to know about the fender for the 2019-2025 (F3) Audi Q3, including how to inspect a used part and key compatibility differences.
- This fender only fits the second-generation (F3 chassis) Audi Q3 for model years 2019-2025. It will not fit the older 2015-2018 (8U) models.
- When buying a used part, it is critical to verify it has the correct cutout for the side marker lamp required on North American vehicles.
- The base fender panel is the same for Standard, S-Line, and Sportback trims; visual differences come from separate parts like bumpers and wheel moldings.
- Used OEM fenders offer the best fit compared to aftermarket options, but professional painting will almost always be required to match your vehicle's color.
Symptoms of a Damaged Fender

Since a fender is a body panel, signs of failure are almost always visual or physical. Damage typically results from collisions, parking lot incidents, or environmental factors.
- Visible Damage: The most obvious symptoms are dents, dings, deep scratches, and cracks in the panel. Minor cosmetic damage might be repairable, but significant impacts that bend or crack the fender often require full replacement to restore proper fit.
- Rust and Corrosion: Paint chips and scratches can expose the metal underneath, leading to rust. Early signs include small reddish-brown spots or bubbling under the paint, often starting on the lower edges or inside the wheel well where moisture collects.
- Poor Panel Alignment: A damaged or improperly installed fender can create uneven gaps with the hood, front door, or bumper. This can break the clean body lines of the Q3 and may be a sign of hidden structural issues.
- Tire Rubbing: In cases of severe damage, the fender may be pushed inward, causing it to rub against the tire during turns or when going over bumps. This is a safety concern that requires immediate attention.
- Wind Noise: A fender that is loose or misaligned can cause whistling or rushing sounds at higher speeds as air passes through unintended gaps.
Known Issues, TSBs, and Recalls

As of this writing, there are no specific recalls issued by the National Highway Traffic Safety Administration (NHTSA) for the fender panel itself on the 2019-2025 Audi Q3. However, some related items have been noted:
- Technical Service Bulletin (TSB) for Loose Wheel Arch Trim: Audi has issued a TSB regarding instances where the wheel arch trim on the front fender can become loose. This trim is a separate part from the fender but attaches to it.
- Noises: Some TSBs mention investigating cracking or rumbling noises from the front end, which could be related to suspension components near the fender but not the fender panel itself.
Warning: A minor fender-bender can sometimes cause hidden damage to the vehicle's frame, suspension, or alignment. After any collision, it's wise to check for issues like the vehicle pulling to one side, uneven tire wear, or new, unusual noises.
Buying a Used 2019-2025 Audi Q3 Fender

Purchasing a used OEM (Original Equipment Manufacturer) fender is often a smart choice, as it guarantees the same fit, material quality, and structural integrity as the original part. Aftermarket panels can be cheaper but often suffer from poor fitment, requiring extra bodywork to align properly.
Inspection Checklist for a Used Fender:
- Check for Hidden Repairs: Look at the back of the fender for signs of body filler (Bondo), sanding marks, or overspray. Run a small magnet along the surface; it won't stick to areas with thick filler.
- Inspect All Mounting Points: Carefully examine every hole and bracket where the fender bolts to the car. Look for cracks, stress marks, or elongated holes, which indicate a past impact.
- Verify Straightness: Lay the fender on a flat surface to check for any twists or warping. Look down the length of the panel for subtle waves that indicate repaired dent damage.
- Look for Rust: Check the inner lip of the wheel arch and the bottom edges where the fender meets the rocker panel. These are common areas for rust to start.
- Confirm the Side Marker Hole: This is a critical step. North American Audi Q3 models have a cutout for a side marker lamp. Some aftermarket or European-spec fenders may not have this hole. Ensure the part you are buying matches your vehicle's requirements.
Compatibility and Variants

Correctly identifying a fender for the Audi Q3 requires attention to a few key details.
- Vehicle Generation (Chassis Code): This fender fits the second-generation Audi Q3, known as the F3 chassis, sold from model years 2019 to 2025. It will NOT fit the first-generation Q3 (8U chassis), sold from 2015-2018 in North America. The F3 is visibly larger and has different body lines.
- Trim Levels (Standard, S-Line, Sportback): The basic steel fender panel is the same for the standard, S-Line, and Q3 Sportback body styles. The visual differences between these trims come from other parts, such as the front bumper design and the attached plastic wheel arch moldings. S-Line models often feature a small 'S line' badge on the fender.
- Side-Specific Parts: Fenders are specific to the driver's (left) and passenger's (right) side of the vehicle. They are not interchangeable.
Pro Tip: The plastic wheel arch molding and the inner fender liner are separate parts and are typically not included with a replacement fender. You will likely need to transfer your old ones or purchase them separately.
Cost to Replace a 2019-2025 Audi Q3 Fender
The total cost depends on the source of the part and the cost of labor and painting.
| Item | Estimated Cost | Notes |
|---|---|---|
| New OEM Fender | $560 - $850 (unpainted) | Genuine Audi part purchased from a dealer or online OEM retailer. |
| New Aftermarket Fender | $280 - $430 (primed) | From third-party manufacturers. Fit may not be as precise as OEM. |
| Used OEM Fender | $250 - $500+ | Price varies greatly based on condition and if the color matches. Sourced from automotive recyclers. |
| Shop Labor (Installation) | $150 - $300 | Typically 1.5-2.5 hours of labor. Does not include painting. |
| Painting & Color Matching | $300 - $600 | Cost to paint the new or used fender and blend it with adjacent panels for a perfect match. |
Replacement Overview
Replacing a fender is a moderately difficult job that requires patience and careful alignment. While a DIY-er with mechanical experience can do it, achieving perfect panel gaps can be tricky.
- Difficulty: 3 out of 5
- Tools Required: Socket set, torque wrench, trim removal tools, jack and jack stands.
- General Steps:
- Safely lift the front of the vehicle and remove the wheel.
- Remove the plastic fender liner from the wheel well.
- Disconnect the side marker light wiring harness.
- Open the front door to access bolts connecting the fender to the A-pillar.
- Open the hood to access bolts along the top edge of the fender.
- Remove bolts connecting the fender to the front bumper cover and radiator support.
- Carefully remove the fender.
- Installation is the reverse of removal. Loosely install all bolts first, align the panel for even gaps with the door and hood, and then tighten to specification.
Frequently Asked Questions
Is the fender for the Audi Q3 made of steel or aluminum?
The front fender for the 2019-2025 Audi Q3 is made of steel. This is important to know for repair purposes, as steel and aluminum require different techniques.
Do I need to paint a used fender if it's the same color?
Even if you find a used fender in the same color, it will likely need to be repainted or at least have the clear coat blended. Sun exposure, weather, and different paint batches mean that a used panel will rarely be a perfect match for your car's existing paint.
Does the fender fit the high-performance RS Q3 model?
No, the high-performance Audi RS Q3 typically has wider, more aggressive fender flares to accommodate a wider track and larger wheels. The standard Q3 fender will not fit the RS Q3.
What is the difference between a fender and a quarter panel?
A fender is the body panel over the front wheels. The corresponding panel over the rear wheels is called a quarter panel. Quarter panels are typically welded to the vehicle's structure, making them much more difficult to replace than a bolt-on front fender.
Part Numbers
| Part | Part Number | Side |
|---|---|---|
| Fender | 83A-821-021 / 83A821021 | Left (Driver) |
| Fender | 83A-821-022 / 83A821022 | Right (Passenger) |
| Fender (Partslink) | AU1240147 | Left (Driver) |
| Fender (Partslink) | AU1241147 | Right (Passenger) |
| Wheel Arch Trim | 83A853718 | Front Right (Passenger) |
Technical Specifications
OEM Part Numbers: 83A-821-021 83A-821-022 83A821021 83A821021A 83A821021GRU 83A821022 83A821022GRU 83A821105 83A821112A
Material: Steel
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Audi Q3: