2018-2022 Lexus LC500 Trunk Lid Moulding: Coupe vs. Convertible Fitment Guide
Avoid the most common mistake when buying this part—this guide details the crucial differences in the trunk lid trim between the LC500 Coupe and Convertible models.
- The trunk lid moulding for the LC500 Coupe and Convertible are NOT interchangeable; you must buy the part specific to your body style.
- When buying a used part, the most critical inspection is for intact mounting clips on the back side.
- This part is almost always damaged by physical impact, not mechanical failure. Issues are cosmetic or related to fit.
- Direct aftermarket equivalents are not available, making used OEM the best budget-friendly choice for a factory-correct appearance.
Crucial Warning: Coupe and Convertible Parts Are NOT Interchangeable
The single most important factor when sourcing a used trunk lid moulding for a 2018-2022 Lexus LC500 is the vehicle's body style. The trunk lids for the Coupe and Convertible models are different sizes and shapes to accommodate the convertible's folding soft top mechanism. The trunk volume of the Coupe is 5.4 cubic feet, while the Convertible's is smaller at 4.7 cubic feet to make room for the roof.
Warning: A trunk lid moulding from a Coupe WILL NOT fit a Convertible, and vice-versa. Before purchasing, you must verify the body style of the vehicle the part came from. Failure to do so will result in a part that does not align with the mounting points or body lines of your car.
Symptoms of a Damaged Trunk Lid Moulding
As a passive trim piece, this part does not 'fail' in a mechanical sense. Issues are almost always related to physical damage or cosmetic wear. Here’s what to look for:
- Cracks, Scuffs, or Gouges: The most common issue is physical damage from a minor rear impact, items being dropped on the trunk, or improper handling during removal.
- Loose Fit or Rattling Noises: The moulding is held in place by a series of plastic clips. If the part has been removed improperly, or if the clips have become brittle with age, they can break. A loose moulding may rattle or vibrate while driving and could become detached.
- Faded or Discolored Finish: On vehicles frequently exposed to harsh sunlight, the finish of the moulding may begin to fade or show signs of oxidation over time, detracting from the car's appearance.
Buying a Used 2018-2022 LC500 Trunk Lid Moulding
Buying a used OEM moulding is an excellent way to save money, especially since aftermarket options are virtually nonexistent for this specific part. However, careful inspection is key.
What to Check Before You Buy
- Confirm the Donor Vehicle: Reconfirm with the seller whether the part came from a Coupe or a Convertible. Do not rely on a generic description. If possible, get the VIN of the donor car to be certain.
- Inspect All Mounting Clips: This is the most critical inspection point. Ask for clear, detailed photos of the back of the moulding. Ensure all plastic clips and mounting tabs are present and free of cracks. A single broken clip can cause a poor fit or rattling.
- Examine the Surface Finish: Look closely at photos for deep scratches, rock chips, or scuffs. Minor surface scratches may be polished out, but deep gouges will be permanent. Check for any signs of fading or an uneven finish.
- Check for Hidden Cracks: Stress cracks can be hard to see in photos. Ask the seller to confirm there are no cracks, especially around the mounting points.
Replacement Overview
Replacing the trunk lid moulding is a straightforward task that a DIYer can typically accomplish with basic tools.
- Difficulty: 2/5
- Estimated Time: 0.5 - 1 hour
- Tools Needed: Plastic trim removal tool kit, socket wrench or screwdriver (for trunk liner fasteners).
The general process involves opening the trunk and removing the carpeted inner liner to gain access to the back of the moulding. The clips holding the moulding are then released from the inside, allowing the old part to be lifted off. The new part is positioned and snapped firmly into place, and the trunk liner is reinstalled.
Pro Tip: When removing the old part, apply steady pressure. If a clip feels stuck, use a trim tool to gently pry near the clip location to avoid breaking it or damaging the trunk's paint.
Known Issues, Recalls, and TSBs
As of mid-2024, there are no specific recalls or Technical Service Bulletins (TSBs) issued by Lexus or the NHTSA for the trunk lid moulding on the 2018-2022 LC500. While the LC500 has been subject to recalls for other components like the fuel pump, these do not pertain to the vehicle's body trim.
Cost Comparison
Prices for this part can vary based on condition and source. The distinction between OEM and aftermarket is important for maintaining the vehicle's value and appearance.
| Part Type | Estimated Cost | Notes |
|---|---|---|
| New OEM | $175 - $310 | Purchased from a Lexus dealership or online OEM parts retailer. Guarantees perfect fit and finish. |
| Used OEM | $80 - $180 | Sourced from a recycled vehicle. Offers the same fit as new at a lower cost, but condition must be verified. |
| New Aftermarket | Not Generally Available | Standard replacements are not common. Carbon fiber or other custom-style pieces may exist but will not match the factory look. |
| Shop Labor | $100 - $150 | Typically about one hour of labor at a body shop or dealership. |
Frequently Asked Questions
Is the trunk lid moulding the same for the LC500 Coupe and Convertible?
No, they are not interchangeable. The trunk lids are different shapes, so the mouldings are specific to each body style. You must purchase the correct part for your vehicle.
Can a broken trunk lid moulding cause a water leak into the trunk?
It is unlikely to be the primary cause of a leak. The trunk has a separate rubber weather seal that is responsible for keeping water out. However, a severely damaged or missing moulding could potentially alter how water flows off the trunk, directing it toward the seals in a way that might overwhelm them in heavy rain.
Can I replace this part myself?
Yes, this is a DIY-friendly job for someone comfortable with using basic trim removal tools. The key is to be patient and gentle to avoid breaking the plastic clips on the new part or scratching the vehicle's paint.
Does this part come painted?
OEM trunk lid mouldings typically come in their final finish, which may be chrome, black, or another specific trim color. They are not usually painted to match the body color of the car itself. Verify the finish of the part you are ordering matches your vehicle's original trim package.
Technical Specifications
OEM Part Numbers: 64719-11010-C0 (Coupe) Note: Part numbers may vary by specific trim finish and between Coupe/Convertible. Always verify with a VIN.
Material: Automotive-grade plastic with chrome, black, or other finish.
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.
- Lexus LC500: