LINCOLN 3W4Z-54500A18-AA Ls Sunroof Sun Roof Moonroof Window 03-04-05-06 Glass

( Manufacturer Part Number: 3W4Z-54500A18-AA ), ( Fitment Type: Direct Replacement ), ( Color: Black ), ( Material: Glass ), ( Vintage Part: No ), ( Placement On Vehicle: Front ), ( California Prop 65 Warning: Warning ), ( Type: Sunroof ), ( Ipn: 03 04 05 06 ), ( Features: Glass Windows ), ( Country Of Origin: United States )

Review LINCOLN Ls Oem Sunroof Sun Roof Moonroof Window Glass fits 2003–2006

The **Lincoln 3W4Z-54500-A18-AA** is a premium, factory-original sunroof module designed exclusively for the **2003 2006 Lincoln LS**, a luxury sedan renowned for its sleek design, advanced engineering, and refined driving experience. This high-quality sunroof assembly integrates seamlessly into the vehicle s roof structure, offering both functionality and aesthetic appeal with its polished chrome trim and precision-engineered glass panel. The sunroof features a **fully automatic electric operation**, allowing for effortless opening and closing with the push of a button or via remote control, enhancing convenience and accessibility for passengers. The **tinted glass panel** not only provides privacy and UV protection but also contributes to the vehicle s sophisticated interior ambiance, ensuring a comfortable and climate-controlled environment regardless of weather conditions.

Constructed from durable, corrosion-resistant materials, this sunroof module is built to withstand the rigors of daily use while maintaining a pristine appearance. The **weatherstripping and sealing components** are designed to prevent water intrusion, drafts, and noise infiltration, ensuring a quiet and dry cabin even during inclement weather. The **chrome or black powder-coated trim** adds a touch of elegance, complementing the LS s upscale aesthetic, while the **reinforced glass frame** guarantees structural integrity and longevity. Whether used for natural ventilation, stargazing, or simply enjoying the open sky, this sunroof module delivers a premium experience that aligns with the Lincoln LS s reputation for luxury and innovation.

For enthusiasts seeking to restore or upgrade their vehicle, this **OEM-replacement sunroof** ensures an exact fit and match to the original specifications, maintaining the LS s resale value and curb appeal. Whether installed in a classic restoration project or as part of a routine maintenance upgrade, this component exemplifies Lincoln s commitment to quality and attention to detail, making it an essential addition for any LS owner who values both performance and prestige.

### **Pros and Cons of Buying a 2003 2006 Lincoln LS with a Sunroof (Part Number: 3W4Z-54500A18-AA)**

1. **Sunroof Functionality** A functional sunroof enhances the driving experience by providing natural light, ventilation, and a sense of openness. It can be particularly useful in warm weather or during road trips.

2. **Resale Value Retention** The Lincoln LS is a well-regarded luxury sedan, and models with a sunroof often hold their value better than base models, as this feature is desirable to many buyers.

3. **Aesthetic Appeal** The sunroof adds a premium touch to the vehicle s exterior, making it more visually appealing and aligning with the LS s luxury positioning.

4. **Potential for Customization** If the sunroof is in good condition, it may allow for future upgrades, such as adding a power sunroof if the original is manual or if the electrical system is upgraded.

5. **Comfort in Stop-and-Go Traffic** The sunroof can provide a slight breeze when the car is stationary, improving comfort in traffic or during short stops.

6. **Potential for Lower Maintenance Costs** If the sunroof mechanism is in good working order, it may not require frequent repairs, saving money in the long run.

7. **Luxury Brand Prestige** Owning a Lincoln LS carries prestige, and a sunroof reinforces the perception of a well-equipped, high-end vehicle.

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- **Sunroof motor failure** The sunroof mechanism may become stuck, leak, or fail entirely due to wear or corrosion.

- **Seal deterioration** The rubber seals around the sunroof can crack, leading to water leaks during rain, which can damage the interior.

- **Electrical gremlins** The sunroof s power operation may be unreliable due to faulty switches, wiring, or the main control module.

2. **High Repair Costs** If the sunroof fails, repairs can be expensive, especially if the motor, seals, or wiring need replacement. Parts for older models may also be harder to source.

3. **Water Leaks** A poorly sealed sunroof can allow water to enter the cabin, leading to mold, mildew, or electrical issues. This is a common complaint in older LS models.

4. **Rust Concerns** The 2003 2006 LS is prone to rust, particularly in the wheel wells, rocker panels, and undercarriage. A sunroof leak can exacerbate rust issues in the roof or headliner area.

5. **Manual Sunroof Limitations** If the sunroof is manual (not power-operated), it may be inconvenient to open or close, especially in heavy traffic or when carrying passengers.

6. **General Reliability Issues** The Lincoln LS from this era has a reputation for transmission problems (especially the 4-speed automatic), engine issues (e.g., oil consumption, timing chain wear), and electrical faults. A sunroof problem is just one of many potential concerns.

7. **Depreciation** Luxury vehicles, even well-maintained ones, depreciate quickly. A 2003 2006 LS with a sunroof may still lose significant value over time.

8. **Safety Concerns** If the sunroof is not properly sealed, it could pose a safety risk in the event of a rollover or sudden braking, as the roof may not provide adequate structural integrity.

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Buying a 2003 2006 Lincoln LS with a sunroof can be appealing for those who value luxury and convenience, but it comes with significant risks. The sunroof itself is a desirable feature, but the age of the vehicle means that mechanical, electrical, and structural issues are likely to arise. If you are considering this purchase, the sunroof s condition and the overall health of the car must be thoroughly inspected. A well-maintained LS with a reliable sunroof could be a good short-term or occasional-use vehicle, but long-term ownership may require substantial repairs and could be costly.

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1. **Get a Professional Inspection** Before purchasing, have a trusted mechanic or Lincoln specialist inspect the sunroof mechanism, seals, electrical system, and overall vehicle condition. Pay special attention to:

- The sunroof motor and tracks for smooth operation.

- The seals for leaks or cracks.

- The electrical wiring and switches for functionality.

- The roof structure for rust or damage.

2. **Budget for Potential Repairs** Be prepared for unexpected repair costs, especially if the sunroof or other major components (transmission, engine) need attention. Consider setting aside funds for:

- Sunroof motor or seal replacement ( $500 $1,500).

- Transmission fluid changes or repairs ( $1,000 $3,000).

- Rust repairs or undercoating ( $300 $1,000).

3. **Consider Alternatives** If the primary reason for buying this car is the sunroof, explore newer or better-maintained luxury sedans (e.g., a used Lexus GS, BMW 5 Series, or Audi A6) that may offer better reliability and lower long-term costs.

4. **Buy Used with Caution** If you decide to proceed, purchase from a reputable dealer or private seller with a warranty or return policy. Avoid high-mileage examples unless they have a full service history.

5. **Prioritize Safety and Comfort** Ensure the sunroof is fully functional and sealed properly to avoid leaks or safety hazards. If the rest of the car is in poor condition, the sunroof may not be worth the hassle.

**Final Verdict:** The Lincoln LS sunroof is a nice feature, but the risks of ownership in this era outweigh the benefits for most buyers. Only proceed if you are prepared for potential repairs, have a well-documented service history, and can afford unexpected costs. Otherwise, consider a more reliable luxury vehicle with similar amenities.

Details:

Has some surface rust on underside, doesn't affect functionality.

part #: 3w4z54500a18 prices

• $77.70-$139.99

specifications sunroofconverti:

• for makes: Lincoln
• for years: 2003-2006
• mpn: 3w4z-54500a18-aa
• fitment type: Direct Replacement
• color: Black
• material: Glass
• vintage part: No
• placement on vehicle: Front
• california prop 65 warning: Warning
• type: Sunroof
• ipn: 03 04 05 06
• features: Glass Windows
• country of origin: United States

offer sunroofconverti:

• started: March 26, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0

general sunroofconverti:

• Exterior Parts Accessories > Roofs, Tops Sunroofs > Sunroofs Parts
• condition: Used

seller sunroofconverti:

• rating: 99.6%
• # reviews: 1583
• city: Bowling Green, Kentucky

returns sunroofconverti:

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

payments sunroofconverti:

• credit card: Discover
• other
• wallet: Paypal

shipping sunroofconverti:

• carrier: FedEx, UPS
• type: Calculated
• transit: 4-9 Days
• service: FedEx Ground / FedEx Home Delivery, UPS Ground
• class: Standard
• cost: $38.39

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