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  3. TESLA 1783718-99-B

TESLA 1783718-99-B Rear Tailgate Led Third Brake Light Lamp

fits year: 2020–2024.

1783718-99-b Tesla 2020-2024 Model Y Rear Tailgate Led Third Brake Light Lamp

( Brand: Tesla ), ( Manufacturer Part Number: 1783718-99-B ), ( Type: Third Brake Light Assembly ), ( Oe/oem Part Number: 178371899b, 1783718 99 B, 1783718-99-b, 1783718-99, 1783718 ), ( Placement On Vehicle: Rear ), ( Lighting Technology: Led )

Review TESLA Model Rear Tailgate Led Third Brake Light Lamp fits 2020–2024

The **Tesla 1783718-99-B (2020 2024 Model Y & Model 3 Rear Tailgate LED Third Brake Light Lamp)** is a precision-engineered, high-performance automotive lighting component designed exclusively for Tesla s latest electric vehicle models, ensuring seamless integration with the sleek, futuristic aesthetic of the 2020 through 2024 Model Y and Model 3. Crafted from durable, high-quality materials, this LED brake light lamp features a robust, corrosion-resistant housing that guarantees long-term reliability even under demanding driving conditions. The lamp incorporates advanced **high-brightness LED technology**, delivering superior visibility and compliance with strict automotive safety standards while minimizing energy consumption a critical consideration for Tesla s efficiency-focused architecture. Its compact yet sturdy design ensures a perfect fit within the rear tailgate assembly, maintaining the vehicle s aerodynamic contours without compromising structural integrity. The lamp s **diffuser lens** is engineered to provide an even, glare-free illumination pattern, enhancing both safety and the vehicle s signature Tesla styling cues. Whether navigating city streets or highway merges, this third brake light operates with consistent performance, offering drivers and passengers added visibility while adhering to Tesla s commitment to innovation and sustainability. Ideal for original equipment replacement or customization projects, this lamp is a testament to Tesla s relentless pursuit of cutting-edge automotive solutions that blend form, function, and cutting-edge technology.

### **Pros and Cons of buying a Tesla Part Number 1783718-99-B (2020-2024 Rear Tailgate LED Third Brake Light Lamp)**

#### **Pros:**

1. **Direct Compatibility** This part is specifically designed for Tesla Model 3 and Model Y (2020-2024) rear tailgates, ensuring a proper fit without modifications.

2. **LED Technology** LED brake lights are more energy-efficient, brighter, and have a longer lifespan compared to traditional incandescent bulbs, reducing replacement frequency.

3. **High-Quality Build** Tesla parts are engineered to meet strict automotive standards, ensuring durability and reliability.

4. **Easy Installation** The design is straightforward, making it a DIY-friendly replacement for those comfortable with basic automotive repairs.

5. **Warranty Coverage** If purchased from an authorized Tesla dealer or approved supplier, the part may come with a warranty, providing peace of mind.

6. **Aesthetic Consistency** Using an OEM (Original Equipment Manufacturer) part ensures the brake light matches Tesla s design, maintaining the vehicle s appearance.

7. **Potential Cost Savings** While not always cheaper than aftermarket alternatives, OEM parts can be more reliable long-term, avoiding frequent replacements.

#### **Cons:**

1. **Higher Cost** OEM Tesla parts are typically more expensive than aftermarket alternatives, which may offer similar or identical performance at a lower price.

2. **Limited Availability** Depending on the region, finding this specific part may require ordering from Tesla s official website or a dealer, which could involve shipping delays.

3. **Potential Overkill for Minor Issues** If the brake light is simply burnt out due to normal wear, a cheaper aftermarket LED bulb (if compatible) might suffice without needing an OEM replacement.

4. **No Bulb Replacement Option** Unlike some aftermarket parts, this is a complete lamp assembly, meaning you cannot replace just the bulb if it fails (though LEDs are less prone to this).

5. **Dealer Markup** Purchasing from an authorized dealer may include additional fees or labor costs if installation is required.

6. **Environmental Concerns** LEDs contain trace amounts of metals (e.g., gallium, arsenic), though disposal should be handled responsibly through recycling programs.

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### **Conclusion**

The **Tesla part number 1783718-99-B** is a high-quality, reliable replacement for the rear tailgate brake light on 2020-2024 Model 3 and Model Y vehicles. It offers long-term durability, energy efficiency, and aesthetic consistency with the vehicle s design. However, its higher cost and limited availability compared to aftermarket options may make it less appealing for budget-conscious buyers or those seeking a quick, low-cost fix.

For most Tesla owners who prioritize **long-term reliability, warranty coverage, and OEM quality**, this part is a strong recommendation. If cost is a major concern and the owner is comfortable with aftermarket alternatives, a **high-quality LED brake light bulb** (ensuring Tesla compatibility) could be a viable and cheaper substitute.

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### **Recommendation:** - **Buy the Tesla OEM part (1783718-99-B)** if:

- You value OEM quality and warranty protection.

- You want to ensure a perfect fit and long-term reliability.

- You are replacing a failed lamp assembly rather than just a bulb.

- You have access to an authorized Tesla dealer or supplier.

- **Consider an aftermarket alternative** if:

- You are on a tight budget and can verify compatibility with a reputable brand (e.g., Philips, Osram, or Tesla-approved aftermarket suppliers).

- The issue is isolated to a burnt-out bulb rather than a failed lamp housing.

- You are comfortable with DIY installation and can research reviews for aftermarket options.

For most cases, **the OEM part is the safest choice**, but always cross-check availability and pricing before purchasing.

Details:

Car Donor:Tesla model Y 2024. Condition: used, tested.

part #: 178371899 prices

  • $99.00-$108.57

specifications lightinglam:

  • for years: 2020-2024
  • brand: Tesla
  • mpn: 1783718-99-b
  • type: Third Brake Light Assembly
  • oe/oem part number: 178371899b, 1783718 99 B, 1783718-99-b, 1783718-99, 1783718
  • placement on vehicle: Rear
  • lighting technology: Led

shipping lightinglam:

  • class: Standard
  • cost: $20.00
  • service: UPS Ground
  • type: Fixed
  • carrier: UPS
  • transit: 4-8 Days

seller lightinglam:

  • city: Alpharetta, Georgia
  • rating: 99.9%
  • # reviews: 3126

returns lightinglam:

  • policy: Returns Accepted
  • time: 60 Days
  • paid by: Seller

general lightinglam:

  • condition: Used
  • Car Truck Parts Accessories > Lighting Lamps > Third Brake Light Assemblies

payments lightinglam:

  • wallet: Google-pay
  • credit card: Diners-club
  • other

offer lightinglam:

  • sold: 0
  • quantity: 1
  • availability: In Stock
  • started: March 30, 2026
  • best offers: True
  • options: Ship-to-home
for years: 2020-2024, type: third brake light assembly, oe/oem part number: 178371899b, 1783718 99 b, 1783718-99-b, 1783718-99, 1783718, placement on vehicle: rear, lighting technology: led,
category: auto parts > car truck parts accessories > lighting lamps > center third brake light assemblies, sku: 15593619560977793,
Tesla 1783718-99 Is Similar To:
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2 offers $99.00–$108.57 USD
  • Used. Offer #1 priced at $108.57 + $0.00 shipping estimate = $108.57* total. Model: TESLA MODEL Y.FREE SHIPPING
  • Used. Offer #2 priced at $99.00 + $20.00 shipping estimate = $119.00* total. Car Donor:Tesla Model Y 2024.+$20.00 shipping

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