2017-2019 Genesis G90 Quarter Panel: Damage, Replacement, and Used Part Inspection
A detailed guide to inspecting, pricing, and replacing the structural rear quarter panel on your 2017-2019 Genesis G90.
- This is a structural, weld-on part requiring professional installation; it is not a DIY job (Difficulty: 5/5).
- Compatibility is strict: this panel only fits 2017-2019 Genesis G90 models and will not fit the redesigned 2020+ G90.
- When buying used, always use a magnet to check for hidden body filler (Bondo) and inspect all edges for damage.
- Part numbers are side-specific: 71503-D2C00 for the Left (Driver) side and 71504-D2C00 for the Right (Passenger) side.
Symptoms of a Damaged Quarter Panel
Because the quarter panel is a static body part, "failure" is always the result of external factors like collision or corrosion. Symptoms are almost always visual.
- Visible Dents, Creases, or Scratches: This is the most common sign of damage, typically from a side-impact collision or parking lot incident. Deep creases can indicate stretched metal that is difficult to repair.
- Rust and Paint Bubbling: Corrosion can start from a small paint chip and spread, causing the paint to bubble or flake off. Advanced rust can create holes, compromising the panel's structural integrity.
- Poor Panel Gaps: If the gaps between the quarter panel and the rear door, trunk lid, or bumper are uneven, it can indicate the panel has been pushed out of alignment from an impact.
- Water Leaks or Wind Noise: Severe damage or a poor previous repair can break the factory seals, allowing water to leak into the trunk or creating excessive wind noise while driving.
Known Issues, Recalls, and Service Bulletins (2017-2019 Genesis G90)
While there are no specific recalls or Technical Service Bulletins (TSBs) for the quarter panels themselves on the 2017-2019 Genesis G90, several recalls exist for the model years that owners should be aware of. These primarily concern potential fire risks unrelated to the body structure. Body-related complaints for this vehicle are very rare, reflecting its high build quality.
- NHTSA Recall 24V107000: Water may enter the starter solenoid, creating an electrical short and a risk of an engine compartment fire while parked or driving. Owners are advised to park outdoors until the repair is completed.
- NHTSA Recall 24V191000: On models with the 3.3L V6 turbocharged engine, the left turbocharger oil feed pipe may leak, increasing the risk of an engine fire. This recall expands upon a previous one (19V-538).
No factory-related issues concerning body panel rust, paint defects, or structural problems for the quarter panels have been identified through public data.
Important: The 2017-2019 Genesis G90 has a completely different body design from the 2020 and newer models, which underwent a major redesign. Quarter panels from a 2020+ G90 will not fit.
Buying a Used 2017-2019 G90 Quarter Panel: What to Inspect
For a structural part like a quarter panel, a high-quality used Original Equipment Manufacturer (OEM) panel is often the best choice, offering superior fit and integrity compared to unproven aftermarket options.
Why Choose a Used OEM Panel?
Aftermarket body panels are often made with thinner gauge steel and stamped from reverse-engineered molds, leading to poor fitment. This results in uneven panel gaps, difficult installation, and requires more labor (and cost) from the body shop to make it fit correctly. A recycled OEM panel was made by Genesis, for a Genesis, ensuring it meets the original factory specifications for material, shape, and safety.
Physical Inspection Checklist
Before buying a used quarter panel, inspect it carefully:
- Check for Hidden Repairs: Run a small magnet along the entire surface of the panel. If the magnet fails to stick in certain areas, it indicates the presence of thick body filler (Bondo), hiding previous damage. Avoid these panels.
- Look for Kinks and Creases: Even if a dent has been mostly pushed out, a sharp crease line indicates the metal has been stretched, making it weaker and harder to achieve a perfect finish.
- Inspect Edges and Mounting Areas: Check the door jamb, wheel arch, and trunk opening edges for any signs of bending, tearing, or previous weld repairs. All factory spot weld locations should be visible and intact.
- Examine for Corrosion: Look at both the front and back sides of the panel. Surface rust on the inside can often be treated, but any signs of rust-through or deep pitting are red flags.
Verifying Compatibility
- Model Years: This part only fits 2017, 2018, and 2019 Genesis G90 models.
- Side Specificity: Quarter panels are specific to the driver or passenger side. Verify you are purchasing the correct one.
- Left (Driver) Side Assy: 71503-D2C00
- Right (Passenger) Side Assy: 71504-D2C00
Pro Tip: A used quarter panel is sold as a 'cut' from a donor vehicle. Before purchase, specify exactly where you need the panel cut (e.g., at the C-pillar, along the rocker panel) to ensure your body shop has enough material to work with.
Replacement and Installation
Warning: Quarter panel replacement is a complex, structural job that requires specialized tools and training in cutting, welding, and refinishing. This is not a DIY-friendly task.
- Installation Difficulty: 5 out of 5 (Professional Only)
- Process Overview: The replacement involves drilling out dozens of factory spot welds, cutting the panel at specific structural seams, and removing the rear glass. The new panel is then carefully fitted, welded into place, and sealed. The final steps involve extensive bodywork to smooth the seams, followed by priming and painting.
Cost Breakdown
The cost can vary significantly based on labor rates and the extent of the damage. Full replacement is a labor-intensive process.
| Part/Service | Estimated Cost | Notes |
|---|---|---|
| New OEM Quarter Panel | $1,500 - $2,100 | Price for the panel only, from a dealer. |
| New Aftermarket Quarter Panel | Not Generally Available | Aftermarket options for this structural part on a luxury vehicle are rare or nonexistent. |
| Used OEM Quarter Panel | $500 - $1,200 | Price depends on condition and the extent of the 'cut' from the donor car. |
| Shop Labor (Installation & Paint) | $2,000 - $4,000+ | Includes cutting, welding, bodywork, blending, and painting. Can easily exceed 20-30 hours of labor. |
Frequently Asked Questions (FAQ)
Can I just bolt on a new quarter panel?
No. The quarter panel is a structural component that is welded to the vehicle's unibody chassis. It cannot be bolted on like a fender or a door.
Does a used quarter panel come painted to match my car?
No. You should always assume a used panel will need to be professionally prepped and repainted to match your vehicle's exact color and finish. Do not expect to find a used panel in the correct color that can be installed without paint work.
Is it better to repair my damaged quarter panel or replace it?
This depends entirely on the severity of the damage. Minor to moderate dents and scratches can often be repaired by a skilled body shop for less than the cost of a full replacement. However, if the panel is severely crushed, torn, or has extensive rust, replacement is the only safe and effective option.
Will this quarter panel fit a 2020 Genesis G90?
No. The Genesis G90 was significantly redesigned for the 2020 model year. Body panels, including the quarter panels, are not interchangeable between the 2017-2019 and 2020+ generations.
What is the difference between a quarter panel and a fender?
A fender is the body panel over the front wheels, which is typically bolted on. A quarter panel is the body panel that encloses the rear wheels, which is welded into the car's structure.
Technical Specifications
OEM Part Numbers: 71503-D2C00 71503D2C00 71504-D2C00 71504D2C00
Material: Stamped Steel. Installation Method: Spot and seam welding.
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.
- Genesis G90:
- Symptoms of a Damaged Quarter Panel
- Known Issues, Recalls, and Service Bulletins (2017-2019 Genesis G90)
- Buying a Used 2017-2019 G90 Quarter Panel: What to Inspect
- Why Choose a Used OEM Panel?
- Physical Inspection Checklist
- Verifying Compatibility
- Replacement and Installation
- Cost Breakdown
- Frequently Asked Questions (FAQ)
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