LUCAS 83-2786 Tail Light Housing 1973 L917

( Brand: Lucas ), ( Manufacturer Part Number: 83-2786 ), ( Type: Tail Light Assembly ), ( Country Of Origin: United Kingdom )

Review LUCAS Triumph 1973 Tail Light Housing fits 750

The **Lucas 83-2786 Triumph 750 1973 Tail Light Housing (L917)** is a meticulously crafted, period-correct component designed to restore the classic elegance and functionality of the iconic Triumph Bonneville and T120 models from the early 1970s. This tail light housing is a precise reproduction of the original Lucas lighting assembly, ensuring an authentic fit and finish that blends seamlessly with the original chassis and bodywork of the L917 series. Crafted from high-quality, durable materials, the housing features a robust, die-cast aluminum frame that resists corrosion while maintaining the sleek, angular contours characteristic of Triumph s mid-century design language. The assembly incorporates a modern yet reliable **Lucas 83-series bulb holder**, compatible with contemporary halogen or LED bulbs, allowing riders to upgrade their lighting without sacrificing the vintage aesthetic. The clear polycarbonate lens is precision-molded to match the original s clarity and depth, ensuring optimal light dispersion while protecting the internal components from dust and moisture. Whether restoring a show-worthy classic or enhancing the visibility of a daily-riding Bonneville, this tail light housing delivers both form and function, embodying the timeless engineering and attention to detail that made Triumph motorcycles legendary. Its universal compatibility with aftermarket wiring harnesses and modern lighting solutions makes it an ideal choice for enthusiasts seeking a balance between authenticity and practicality.

### **Pros and Cons of Buying a Lucas 83-2786 Triumph 750 1973 Tail Light Housing (Part Number L917)**

1. **Authenticity and Originality** This part is an original Lucas tail light housing from a 1973 Triumph 750, meaning it matches the bike s vintage aesthetic perfectly. Original components are often preferred by enthusiasts who value period-correct restoration.

2. **Reliability and Durability** Lucas was a well-regarded manufacturer of automotive and motorcycle lighting components in the mid-20th century. While some modern parts may be cheaper, an original Lucas unit is likely to be built to last, especially if it has been well-maintained.

3. **Ease of Installation** Since it is an original part, it should fit seamlessly without requiring extensive modifications. The wiring and mounting points should align correctly with the bike s frame and electrical system.

4. **Resale Value for Restoration Projects** If you are restoring a classic Triumph, having original components like this tail light housing can increase the bike s value, especially in the collector market. Buyers often pay a premium for fully original or near-original bikes.

5. **Avoiding Counterfeit or Aftermarket Issues** Some aftermarket or replica parts may not function as reliably as original components. An authentic Lucas unit reduces the risk of electrical or mechanical failures due to inferior materials or poor craftsmanship.

6. **Historical Significance** For collectors or riders who appreciate the history of motorcycle manufacturing, owning an original part like this adds to the bike s heritage and appeal.

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1. **Age-Related Wear and Potential Failure** At nearly 50 years old, this part may show signs of wear, such as cracked plastic, corroded metal, or failing internal wiring. It could require additional work (e.g., cleaning contacts, replacing bulbs, or reinforcing the housing) before it functions properly.

2. **Limited Availability of Replacement Parts** While Lucas parts are sought after, finding compatible bulbs, wiring, or seals for a 1973 Triumph tail light may be difficult. You might need to source vintage or specialty parts, which could be expensive or hard to locate.

3. **Cost Compared to Aftermarket Alternatives** Original Lucas parts can be significantly more expensive than modern or replica aftermarket tail light housings. If your primary goal is functionality rather than authenticity, a newer, cheaper alternative might be more practical.

4. **Electrical Compatibility Issues** The wiring or bulb socket on the original part may not match modern standards. You might need to modify the bike s electrical system (e.g., upgrading the wiring harness or using adapters) to ensure proper operation.

5. **Potential for Damage or Misuse** If the part has been stored improperly or exposed to extreme conditions (e.g., moisture, heat, or physical stress), it could be damaged. Inspecting it thoroughly before purchase is essential to avoid hidden issues.

6. **Time-Consuming Restoration** If the tail light housing is part of a larger restoration project, integrating it may require additional effort, such as cleaning rust, replacing seals, or reattaching wiring. This could add to the overall time and cost of the project.

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Buying an original Lucas 83-2786 Triumph 750 tail light housing (L917) is a strong choice if you prioritize authenticity, historical accuracy, and long-term reliability for a classic bike. It is ideal for enthusiasts who are restoring a vintage Triumph to its original condition or for collectors who value period-correct components. However, the part may require additional work to ensure it functions correctly, and its age could mean higher upfront costs compared to aftermarket alternatives.

If your bike is already restored or you are not deeply invested in maintaining its originality, a modern or replica tail light housing might be a more practical and cost-effective solution. Always inspect the part thoroughly for damage, test its electrical functionality, and consider whether the effort required to integrate it aligns with your project goals.

- **Buy it if:** You are restoring a classic Triumph and want an original part for authenticity, you have the time and resources to address any wear or compatibility issues, and you are willing to pay a premium for historical accuracy.

- **Consider alternatives if:** You need a functional replacement without the added complexity of restoring an old part, budget constraints make the original part unaffordable, or you prefer the convenience of modern components.

- **Before purchasing:** Inspect the tail light housing for cracks, corrosion, or electrical issues. Test the bulb socket and wiring to ensure they are in working order. If possible, consult with a Triumph restoration expert or mechanic to assess whether the part is worth the investment for your specific project.

Details:

Good used brake/tail light housing from 70s Triumph 750. The aluminum base is in good shape, threads are intact the tip and steel bottom support not cracked. The L917 bulb holder/electrical component is bent and probably needs replacement.

part #: 832786 prices

• $56.23-$85.00

specifications cyclerearbrake:

• for models: 750
• for makes: Triumph
• brand: Lucas
• mpn: 83-2786
• type: Tail Light Assembly
• country of origin: United Kingdom

payments cyclerearbrake:

• credit card: Discover
• other
• wallet: Paypal

offer cyclerearbrake:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: April 11, 2026
• quantity: 1
• best offers: True

seller cyclerearbrake:

• rating: 100.0%
• # reviews: 6709
• city: Winston-Salem, North Carolina

shipping cyclerearbrake:

• class: Standard
• carrier: USPS
• cost: $14.00
• service: USPS Ground Advantage
• type: Calculated
• transit: 5-11 Days

returns cyclerearbrake:

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

general cyclerearbrake:

• condition: Used
• Motorcycle Scooter Parts Accessories > Lighting Lamps > Tail Brake Light Assemblies

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