1. Lighting Auto Parts For Sale
  2. sku: 10875945146381711
  3. PETERBILT 2640595

PETERBILT 2640595 Tail Light 579

fits model: Fl. make: Peterbilt. year: 2021.

2640595 Replaces 2021 Peterbilt 579 Tail Light Fl

( Manufacturer Part Number: 2640595 ), ( Part Type: Light ), ( Color: Red, White ), ( Side: Right )

Review PETERBILT Replaces 579 Tail Light fits FL 2021

The **2021 Peterbilt Model 579 Tail Light Assembly (Part Number: 2640595)** is a precision-engineered component designed exclusively for the iconic Peterbilt 579 semi-truck series, a model renowned for its durability, aerodynamic efficiency, and cutting-edge trucking technology. This tail light assembly represents the pinnacle of automotive lighting innovation, combining robust construction with advanced optical performance to ensure optimal visibility and compliance with stringent transportation regulations. Crafted from high-grade, impact-resistant polycarbonate lenses and reinforced aluminum housing, this assembly is built to withstand the harshest conditions, including extreme temperatures, heavy vibrations, and prolonged exposure to moisture, dust, and road debris. The design incorporates a sleek, aerodynamic contour that not only enhances the truck s streamlined appearance but also minimizes air resistance, contributing to improved fuel efficiency a critical factor for long-haul operators seeking to maximize operational costs.

At its core, the **2640595 tail light assembly** features a sophisticated LED-based lighting system, offering superior brightness, longevity, and energy efficiency compared to traditional incandescent bulbs. The assembly includes a **dual-function stop/turn signal** system, ensuring that drivers can communicate their intentions clearly to other road users, while the integrated **clear lens** provides a crisp, unobstructed view of the truck s rear for enhanced safety. The assembly also adheres to the latest **FMVSS (Federal Motor Vehicle Safety Standard) and DOT compliance requirements**, guaranteeing that it meets or exceeds all necessary safety and regulatory standards for commercial vehicles. Whether navigating bustling highways, tight urban environments, or remote interstates, this tail light assembly delivers reliable performance, reducing the risk of accidents and ensuring that the Peterbilt 579 maintains its reputation as a leader in the trucking industry.

For fleet managers and truck owners prioritizing both performance and longevity, the **2640595** is a standout choice due to its **OEM-level quality and compatibility**. Designed to seamlessly integrate with the 2021 Peterbilt 579 s electrical system, this assembly eliminates the need for costly modifications or aftermarket adjustments, ensuring a hassle-free installation process. Its modular design also facilitates quick and easy replacement, minimizing downtime and keeping trucks on the road where they belong. Whether used in a single-truck operation or as part of a large fleet, this tail light assembly exemplifies Peterbilt s commitment to innovation, safety, and operational excellence, making it an indispensable component for any professional driver or fleet operator.

### **Pros and Cons of Buying a 2021 Peterbilt 579 (VIN: 2640595) with Tail Light Failure**

#### **Pros**

1. **Recent Model Year (2021)** This truck is relatively new, meaning it has fewer miles and less wear compared to older models. The 2021 model year includes updated features, improved fuel efficiency, and modern safety and emissions compliance.

2. **Peterbilt s Reputation for Durability** Peterbilt is a well-regarded brand in the heavy-duty trucking industry, known for strong build quality, reliable engines, and long-lasting components. The Model 579 is a popular regional haul model with a proven track record.

3. **Potential for Lower Maintenance Costs** Since it s a newer truck, major components like the engine, transmission, and drivetrain are likely still under warranty or in good condition, reducing immediate repair expenses.

4. **Good Resale Value** Peterbilt trucks hold their value well, so even if you plan to sell it later, you may recover a significant portion of your investment.

5. **Tail Light Issue as a Negotiation Lever** The tail light failure is a minor issue that could be easily fixed (likely a bulb, wiring, or sensor replacement). This gives you leverage to negotiate a lower purchase price, especially if the seller is motivated to sell quickly.

6. **Potential for Customization** If you re purchasing this truck for personal or business use, the 2021 model may offer features that align with your needs, such as updated cab comfort, telematics, or fuel-saving technologies.

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#### **Cons**

1. **Tail Light Failure as a Potential Red Flag** While the tail light issue may seem minor, it could indicate:

- A wiring problem (e.g., damaged harness, loose connections).

- A faulty tail light switch or sensor.

- A more serious electrical issue if the problem persists after repair.

- If the seller has not addressed it, it may suggest neglect in maintenance.

2. **Hidden Mechanical or Electrical Issues** A truck with a known electrical problem (like the tail lights) might have other undetected issues, such as:

- Faulty sensors (e.g., ABS, traction control, or emissions-related sensors).

- Wiring harness damage from age or environmental exposure.

- Software glitches in the onboard computer (ECM/TCM).

3. **Pre-Purchase Inspection (PPI) Cost** To ensure the truck is in good condition, you ll need a thorough inspection by a qualified mechanic, which could cost **$200 $500**. If the inspection reveals major issues, it could offset any savings from the tail light problem.

4. **Warranty Limitations** If the truck was previously under warranty, the tail light issue may have been fixed, but other components (e.g., engine, transmission) may now be out of warranty, increasing long-term repair risks.

5. **Fuel and Operational Costs** While the 2021 model is efficient, regional haul trucks like the 579 consume significant fuel. If you re using it for long-distance hauling, factor in diesel prices, maintenance, and potential downtime for repairs.

6. **Market Availability of Parts** Even though it s a newer model, some aftermarket or OEM parts may have lead times, especially if the truck is no longer in production in this exact configuration.

---

### **Conclusion**

Buying a **2021 Peterbilt 579 with a tail light failure** can be a good deal if:

- You negotiate aggressively to account for the repair.

- You have it thoroughly inspected to rule out other issues.

- You plan to address the tail light problem immediately.

- You re comfortable with the risk of minor electrical or maintenance concerns.

However, if the tail light issue is part of a broader pattern of neglect (e.g., no service records, other warning signs), the truck may not be worth the risk. The **tail light problem alone is not a dealbreaker**, but it should prompt deeper scrutiny before purchasing.

### **Recommendation**

1. **Get a Pre-Purchase Inspection (PPI)** Hire a certified truck mechanic to inspect the engine, transmission, brakes, suspension, and electrical system. This will cost money upfront but could save you thousands in the long run.

2. **Test Drive and Electrical Check** Ensure all lights (not just the tail lights), sensors, and electronic systems (e.g., ABS, traction control) function properly. If the tail light issue is isolated, it may be a simple fix.

3. **Negotiate the Price** Use the tail light failure as leverage to reduce the asking price by **$1,000 $3,000**, depending on the seller s urgency and the inspection results.

4. **Check Service Records** If the seller has maintained the truck properly, it s a better sign than if it s been neglected. Ask for proof of oil changes, filter replacements, and any previous repairs.

5. **Consider Financing Options** If you re buying for business use, explore leasing or financing terms that account for potential repair costs.

6. **Proceed with Caution** If the PPI reveals no major issues beyond the tail lights, the truck could be a solid purchase. However, if hidden problems are found, you may want to walk away or renegotiate further.

**Final Verdict:**

This truck has **strong potential** if the tail light issue is isolated and the rest of the vehicle is in good condition. However, **never buy a used truck without a professional inspection**. If the inspection clears the truck, it could be a **good regional haul or personal-use truck** with years of reliable service ahead. If the inspection uncovers significant problems, reconsider your purchase or demand a lower price.

Details:

If not, let us know how to earn your 5-star rating. Replaces 2021 PETERBILT 579 TAIL LIGHT, FL.

specifications tusilap:

  • for models: Fl
  • for makes: Peterbilt
  • for years: 2021
  • mpn: 2640595
  • part type: Light
  • color: Red, White
  • side: Right

seller tusilap:

  • # reviews: 10388
  • city: Tampa, FL
  • rating: 99.0%

general tusilap:

  • Commercial Truck Parts > Lighting > Backup Tail Lights
  • condition: Used

offer tusilap:

  • availability: In Stock
  • started: May 7, 2026
  • sold: 0
  • options: Ship-to-home
  • quantity: 1

returns tusilap:

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

shipping tusilap:

  • service: UPS Ground
  • transit: 2-6 Days
  • cost: $0.00
  • carrier: UPS
  • class: Standard
  • type: Fixed

payments tusilap:

  • wallet: Apple-pay
  • other
  • credit card: Diners-club
for models: fl, for makes: peterbilt, for years: 2021, part type: light, side: right,
manufacturer: peterbilt, category: auto parts > commercial truck parts > lighting > backup tail lights, color: red white, sku: 10875945146381711,
Peterbilt 2640595 Is Similar To:
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1 offer $119.53 USD
  • Used. Offer #1 priced at $119.53 + $0.00 shipping estimate = $119.53* total. ''.FREE SHIPPING

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