MCLAREN 14A4584CP Rear Engine Deck Cover Panel Lid MD639

( Brand: Mclaren ), ( Manufacturer Part Number: 14A4584CP ), ( Part Type: Cover Lid Engine Deck Panel ), ( Oe/oem Part Number: 2016 2017 2018 2019 2020 16 17 18 19 20 ), ( Ipn: Md639 25.03.2026 430 ), ( Manufacturer Warranty: 1 Month )

Review MCLAREN 720 Rear Engine Deck Cover Panel Lid fits 2017–2020

The **McLaren 14A4584CP rear engine deck cover panel lid** for the **2017 2020 720S and 720 models** is a meticulously engineered, high-performance component designed to seamlessly integrate with McLaren s signature blend of aerodynamics, precision engineering, and sporty aesthetics. Crafted from lightweight yet durable materials, this panel lid is engineered to maintain the vehicle s sleek, aggressive stance while ensuring optimal airflow and structural integrity. The design features a smooth, contoured surface that harmonizes with the car s aggressive rear profile, contributing to both its visual impact and functional performance. Constructed with a focus on precision, the panel is designed to fit snugly over the engine bay, providing a clean, uninterrupted line that enhances the car s aerodynamic efficiency critical for maintaining high-speed stability and reducing drag. The material composition balances rigidity with weight savings, ensuring it meets McLaren s exacting standards for durability without compromising the vehicle s agile handling. Whether installed as part of a standard service or a custom restoration, this panel lid upholds the brand s reputation for uncompromising quality, ensuring that every detail from its aerodynamic contours to its precise fitment reflects the same level of excellence found throughout the 720S and 720 s high-performance powertrain and chassis. Ideal for both enthusiasts seeking to preserve their vehicle s factory integrity and mechanics performing routine maintenance, this component is a testament to McLaren s commitment to perfection in every aspect of their automotive design.

### **Pros and Cons of Buying a McLaren 12C (2017 2020) Rear Engine Deck Cover Panel Lid (Part #: MCL14A4584CP, 720S/720 Specifications)**

1. **OEM Fit and Finish** This is a genuine McLaren part, ensuring an exact match in terms of shape, material, and installation. It will blend seamlessly with the rest of the vehicle s exterior, maintaining the high-end aesthetic of the 12C.

2. **Durability and Quality** McLaren parts are built to withstand the stresses of high-performance driving, including heat, vibration, and potential impacts. The material is likely to be a reinforced composite or high-grade plastic, resistant to warping or cracking over time.

3. **Aesthetic Consistency** The 12C s rear deck cover is a defining design element. Replacing a damaged or worn part with an OEM piece ensures the car retains its original look without aftermarket inconsistencies.

4. **Reliability** Unlike third-party parts that may fail prematurely, an OEM component is less likely to develop issues due to substandard materials or poor manufacturing tolerances.

5. **Resale Value Protection** If you plan to sell the car later, having all OEM parts (especially on a high-end sports car like the 12C) can help maintain or even increase its value.

6. **Ease of Installation** Since it s a direct replacement, the part should fit without extensive modifications. McLaren parts are designed with standard installation procedures in mind.

7. **Warranty Coverage** If purchased directly from McLaren or an authorized dealer, the part may come with a warranty, providing peace of mind against defects.

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1. **High Cost** Genuine McLaren parts are significantly more expensive than aftermarket alternatives. The price for this specific part (especially for a 720S/720 model) will likely be in the range of **$1,500 $3,000 **, depending on availability and condition.

2. **Limited Availability** McLaren parts, particularly for older models like the 12C, can be hard to source. You may need to wait for stock or rely on a dealer with inventory, which could delay repairs.

3. **Potential for Counterfeit Parts** If buying from a third-party seller (e.g., eBay, Facebook Marketplace), there s a risk of receiving a fake or refurbished part that doesn t meet OEM standards. Always verify authenticity.

4. **Labor Costs** Even if the part is affordable, installation by a McLaren-certified technician will add to the expense. DIY installation is possible but may void warranties or risk improper fitting.

5. **Overkill for Minor Damage** If the current deck cover is only slightly damaged (e.g., minor scratches or chips), an OEM replacement might be excessive. In such cases, a high-quality aftermarket part or touch-up kit could suffice.

6. **Weight Considerations** While the 12C is already a lightweight car, replacing a panel with an OEM part (which may be slightly heavier than an aftermarket alternative) could have a negligible but measurable impact on performance.

7. **Environmental and Ethical Concerns** McLaren s carbon footprint is significant, and purchasing a new part contributes to production waste. If sustainability is a priority, you might consider refurbished or aftermarket options instead.

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Buying an **OEM McLaren 12C rear engine deck cover panel lid (MCL14A4584CP)** is the **best choice for authenticity, longevity, and resale value**, especially if the part is damaged beyond repair or you want to maintain the car s pristine condition. However, the **high cost, limited availability, and potential for counterfeit parts** make it a less ideal option for casual buyers or those on a tight budget.

If the damage is minor, exploring **aftermarket alternatives** (e.g., from reputable suppliers like **McLaren Specialists, Carbon Fiber Solutions, or high-end customizers**) could save money while still achieving a professional result. For major damage or if you prioritize OEM integrity, the genuine part is unmatched in quality.

- **If the part is severely damaged or you want to preserve the car s value** **Purchase the OEM McLaren part from an authorized dealer or trusted supplier** (e.g., **McLaren Official Store, McLaren Specialists, or a verified eBay seller with return options**).

- **If the damage is cosmetic (e.g., minor chips, scratches)** **Consider a high-quality aftermarket replacement** (e.g., **carbon fiber or polycarbonate panels from specialized suppliers**) to save costs.

- **If buying used/aftermarket** **Inspect the part closely** for cracks, warping, or signs of poor manufacturing. Request documentation or a warranty if possible.

- **For long-term ownership** **Keep a spare OEM part** if you frequently drive the car in rough conditions, as replacements may become harder to find as the 12C ages out of production.

Ultimately, the decision depends on your **budget, priorities (performance vs. aesthetics), and how critical the part is to the car s function and appearance**. For most owners, the OEM part is worth the investment if they value perfection.

Details:

Having profound knowledge in cars you can be assured our competency and accuracy. Engine: 4.0L Twin Turbo. Color: Yellow. Please see the photo for details.

Mileage: 19086 ml. E-mail address to send a confirmation;. Mclaren 720S 2020. Contact phone number of the receiving person;.

Check my other listings. Refer to photos for more details. Company name and address;. Transmission: RWD.

part #: 14a4584cp prices

• $165.75-$399.95

specifications sidemarkeligh:

• for years: 2017-2020
• brand: Mclaren
• mpn: 14a4584cp
• part type: Cover Lid Engine Deck Panel
• oe/oem part number: 2016 2017 2018 2019 2020 16 17 18 19 20
• ipn: Md639 25.03.2026 430
• manufacturer warranty: 1 Month

seller sidemarkeligh:

• rating: 99.9%
• city: Philadelphia, Pennsylvania
• # reviews: 6159

offer sidemarkeligh:

• best offers: True
• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: March 31, 2026

shipping sidemarkeligh:

• service: Standard, UPS 2nd Day Air
• cost: $0.00
• class: Standard, Expedited
• transit: 2-6 Days
• type: Fixed
• carrier: UPS

payments sidemarkeligh:

• other
• wallet: Apple-pay
• credit card: Mastercard

general sidemarkeligh:

• Car Truck Parts Accessories > Lighting Lamps > Side Marker Light Assemblies
• condition: Used

returns sidemarkeligh:

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

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