PONTIAC 5963135-2 Trans Am Lh Rear Marker Lights Gm

( Manufacturer Part Number: 5963135-2 ), ( Mounting Style: Screws ), ( Vintage Part: Yes ), ( Placement On Vehicle: Left, Rear ), ( California Prop 65 Warning: No ), ( Type: Side Marker Light Assembly ), ( Housing Color: White ), ( Features: Sae-certified ), ( Lens Color: Red ), ( Finish: Smooth ), ( Country Of Origin: United States ), ( Lighting Technology: Incandescent )

Review PONTIAC Trans Am Lh Rear Side Marker Lights Gm fits FIREBIRD FORMULA 1970–1981

The **Pontiac 5963135-2 Rear Marker Light Assembly** for the **1970 1981 Firebird and Trans Am (Formula LH)** is a meticulously crafted, high-quality replacement component designed to restore both the functional and aesthetic integrity of your classic muscle car. This aftermarket part is engineered to match the original General Motors (GM) specifications, ensuring a seamless fit with the iconic **LH (Long Hood) body style** found on these legendary models. The assembly features a robust, durable construction with clear, amber-tinted lenses that provide optimal visibility while maintaining the authentic vintage look that enthusiasts cherish. Each lens is securely housed in a sturdy metal or high-impact plastic housing, designed to withstand the elements and resist cracking or yellowing over time, preserving the car s classic appearance for years to come. Beyond its visual appeal, this rear marker light assembly is built to meet modern safety standards, offering reliable illumination for better nighttime visibility and compliance with current traffic regulations. Whether you re restoring a pristine 1970 Trans Am or reviving a well-loved Firebird from the late '70s, this part is an essential upgrade for those seeking both performance and period-correct authenticity. Its easy installation often requiring only basic tools makes it a practical choice for DIY mechanics and professional restorers alike, ensuring your muscle car not only turns heads on the road but also drives with confidence and precision.

### **Pros and Cons of Buying a 1970 1981 Pontiac Firebird/Trans Am Formula LH Rear Marker Lights (Part Number 5963135-2)**

#### **Pros**

1. **Authentic Restoration Piece** These rear marker lights are a rare and sought-after part for classic Pontiac Firebirds and Trans Ams, especially for those built between 1970 and 1981. They are often used in restorations to maintain originality and historical accuracy.

2. **Functionality and Visibility** The lights provide essential rear visibility, which is crucial for safety, especially in older vehicles that may not have modern lighting systems. They are designed to meet original specifications, ensuring proper illumination.

3. **Aesthetic Appeal** For enthusiasts, these lights contribute to the classic look of the vehicle. They are often preferred over aftermarket replacements because they match the original design, enhancing the car s vintage charm.

4. **Compatibility with Restorations** If you re restoring a Firebird or Trans Am from this era, these lights are likely the correct fit for the model year, ensuring a seamless integration with other original components.

5. **Potential for Resale Value** If the vehicle is well-maintained or restored, these original or period-correct parts can increase its value among collectors and classic car buyers.

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#### **Cons**

1. **Age and Wear** Parts from this era may show signs of aging, such as cracked lenses, faded paint, or failing electrical connections. They may require additional restoration work to function properly.

2. **Electrical Reliability** Older lighting components can be finicky, especially if the wiring harness or bulbs are degraded. You may need to replace bulbs or rewire connections to ensure they work correctly.

3. **Limited Availability** While these lights are available, they may not be as commonly found as newer parts. Sourcing them could require searching through specialty suppliers, junkyards, or online marketplaces, which may take time and effort.

4. **Cost Considerations** Depending on the condition and rarity, these lights could be more expensive than generic aftermarket replacements. If the vehicle is not a high-value restoration project, the cost may not be justified.

5. **Potential for Counterfeit or Mismatched Parts** There is a risk of purchasing replica or incorrectly labeled parts that do not fit properly. Always verify the part number and compatibility before buying.

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### **Conclusion**

Buying these rear marker lights for a 1970 1981 Pontiac Firebird/Trans Am is a worthwhile investment if you are committed to authenticity and restoration. They are ideal for enthusiasts who prioritize historical accuracy and are willing to invest time and effort into ensuring their functionality. However, if the vehicle is not a high-priority restoration project or if you are on a tight budget, aftermarket alternatives may be more practical.

For collectors and restorers, the pros such as authenticity, aesthetic value, and compatibility outweigh the cons, making these lights a valuable addition. For casual drivers or those restoring a vehicle for everyday use, the cons such as potential wear, reliability issues, and cost may make them less appealing.

### **Recommendation**

If you are restoring a Firebird or Trans Am from this era and want to maintain originality, **purchase these lights** if they are available at a reasonable price and in good condition. Ensure you test them thoroughly and address any electrical or mechanical issues before finalizing the installation.

If you are not restoring the vehicle or if budget is a concern, consider **aftermarket replacements** that are functionally equivalent but more widely available and potentially less expensive. Always verify the part number and compatibility to avoid mismatches.

For best results, source the lights from reputable suppliers (such as classic car part specialists, eBay sellers with verified feedback, or junkyards with known inventory). If buying used, inspect them closely for damage or functionality before purchasing.

Details:

170- 1981 Firebird trans am,Left rear passenger side marker lamp assembly, red in fair condition with spot on back shown photos but still usable.

part #: 59631352 prices

• $9.99-$30.00

specifications sidemarkeligh:

• for models: Firebird, Formula
• for makes: Pontiac
• for years: 1970-1981
• mpn: 5963135-2
• mounting style: Screws
• vintage part: Yes
• placement on vehicle: Left, Rear
• california prop 65 warning: No
• type: Side Marker Light Assembly
• housing color: White
• features: Sae-certified
• lens color: Red
• finish: Smooth
• country of origin: United States
• lighting technology: Incandescent

shipping sidemarkeligh:

• carrier: USPS
• cost: $5.89
• type: Calculated
• class: Standard
• service: USPS Ground Advantage
• transit: 4-9 Days

seller sidemarkeligh:

• city: Festus, Missouri
• rating: 100.0%
• # reviews: 439

returns sidemarkeligh:

• policy: No Returns

payments sidemarkeligh:

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

offer sidemarkeligh:

• quantity: 1
• sold: 0
• started: April 9, 2026
• availability: In Stock
• options: Ship-to-home
• best offers: True

general sidemarkeligh:

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

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