VOLVO 2581641 Vnl Light Control Module 20514900-02

( Manufacturer Part Number: 2581641 ), ( Part Type: Control Light Module ), ( Oem Part Number: 20514900-02 )

Review VOLVO Vnl Light Control Module fits 2004

The **Volvo 2581641 20514900-02 Light Control Module** from the **2004 Volvo VNL** is a critical electronic component designed to regulate and optimize the vehicle s lighting system with precision and reliability. This module serves as the central hub for managing all lighting functions, including headlights, tail lights, turn signals, brake lights, and auxiliary lighting circuits, ensuring seamless operation and compliance with safety regulations. Engineered to integrate seamlessly with Volvo s advanced vehicle architecture, this module employs sophisticated circuitry to interpret signals from the driver s controls, ambient sensors, and other onboard systems, enabling adaptive lighting responses that enhance visibility and driver confidence in varying conditions. Built with robust, high-quality materials, it is engineered to withstand the demanding environments of commercial and heavy-duty applications, offering long-term durability and resistance to electrical interference, temperature fluctuations, and mechanical stress. The module s design incorporates fail-safe mechanisms to prevent malfunctions from compromising critical lighting functions, ensuring that essential signals remain operational even in the event of partial system failures. Whether installed in a regional hauler, a long-haul truck, or a specialized work vehicle, this light control module delivers consistent performance, reducing the risk of lighting-related incidents and contributing to overall fleet safety and efficiency. For fleet operators and technicians, this component represents a vital investment in maintaining compliance, reducing downtime, and extending the operational lifespan of their Volvo VNL fleet.

### **Analysis of buying a Volvo VNL Light Control Module (Part Numbers: 2581641, 20514900-02, 2004 Model Year)**

#### **Pros of purchasing a Module**

1. **Compatibility and Fitment** This part is specifically designed for the 2004 Volvo VNL, ensuring a direct fit without modification. It eliminates the risk of mismatched wiring or mechanical interference.

2. **OEM Quality** As an original equipment manufacturer (OEM) or high-quality aftermarket replacement, it maintains the same performance standards as the factory-installed component. This reduces the likelihood of premature failure or poor functionality.

3. **Reliability** Volvo s lighting systems are known for durability, especially in commercial vehicles. A genuine or well-reputed aftermarket module will provide consistent operation, reducing the risk of intermittent lighting issues.

4. **Warranty Coverage** Purchasing from a reputable supplier (e.g., Volvo-approved dealers, authorized distributors, or trusted aftermarket brands) often includes a warranty, offering protection against defects.

5. **Improved Safety** Properly functioning light control modules ensure that all vehicle lights (headlights, taillights, turn signals, etc.) operate correctly, enhancing visibility and compliance with road safety regulations.

6. **Simplified Installation** Since this is a direct replacement, installation typically requires minimal additional tools or adjustments, making it accessible for mechanics with basic electrical knowledge.

7. **Long-Term Cost Savings** Avoiding repeated failures or damage to other components (e.g., relays, fuses) from a faulty module can save money in the long run compared to cheaper, low-quality alternatives.

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#### **Cons of purchasing a Module**

1. **Cost** OEM or high-quality aftermarket parts can be expensive, especially when compared to generic or no-name replacements. The price may be a significant upfront investment for budget-conscious buyers.

2. **Potential Counterfeit Parts** Purchasing from untrusted sources (e.g., unlicensed online marketplaces, gray-market sellers) risks receiving counterfeit or substandard modules. These may fail prematurely or cause electrical issues.

3. **Installation Complexity** While the module itself is straightforward, related issues (e.g., damaged wiring, faulty relays, or sensor malfunctions) may require additional diagnostics or repairs, adding to labor costs.

4. **Compatibility Risks with Modifications** If the vehicle has aftermarket lighting upgrades (e.g., LED conversions, fog light modifications), the stock light control module may not fully support them, requiring an upgraded module or additional wiring.

5. **Limited Availability of Aftermarket Alternatives** Unlike common consumer vehicles, heavy-duty truck parts like this may have fewer aftermarket options, limiting price competition and forcing buyers to rely on OEM or premium brands.

6. **Time to Source** Depending on the supplier, lead times for OEM parts can be longer than for mass-market vehicles, delaying repairs if the module is urgently needed.

7. **Potential for Overkill** If the issue is not actually the light control module (e.g., a faulty relay, wiring short, or sensor problem), replacing it may not resolve the underlying problem, leading to wasted expenditure.

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#### **Conclusion**

The **Volvo VNL light control module (2581641, 20514900-02)** is a critical component for ensuring reliable vehicle lighting. **Buying it is justified if:**

- The module is confirmed faulty (e.g., through diagnostic testing).

- You are sourcing it from a **trusted supplier** (Volvo dealer, authorized distributor, or reputable aftermarket brand).

- The cost is balanced against the risk of prolonged downtime or safety hazards from faulty lighting.

- You are prepared for potential additional diagnostics or repairs if related issues exist.

- The problem is not isolated to the module (e.g., wiring, relays, or sensors are at fault).

- You are buying from an untrusted source with no warranty or return policy.

- The vehicle has extensive aftermarket modifications that may conflict with the stock module.

- A cheaper alternative (e.g., a tested used module or a verified aftermarket equivalent) is available at a significantly lower cost.

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#### **Recommendation**

1. **Diagnose First** Use a **Volvo diagnostic tool** (e.g., Volvo VIDA, Snap-on, or equivalent) to confirm the light control module is the root cause of the issue. Rule out wiring, relays, or sensor failures before purchasing.

- **Volvo Trucks official dealers** (ensures OEM quality and warranty).

- **Reputable aftermarket brands** (e.g., Bosch, Dorman, or parts suppliers with Volvo-specific programs).

- **Trusted online marketplaces** (e.g., RockAuto, PartsGeek, or eBay with seller ratings) that offer return policies.

3. **Compare Prices** Request quotes from multiple suppliers to ensure you are not overpaying. Check for bundled deals (e.g., module wiring kit).

4. **Consider Remanufactured Options** If budget is a concern, a **remanufactured OEM module** (from suppliers like **Remanufactured Parts Direct** or **Volvo-approved remanufacturers**) can offer cost savings while maintaining reliability.

5. **Document the Purchase** Keep receipts, warranties, and proof of purchase in case of defects or installation issues.

6. **Professional Installation** If unsure about wiring or electrical work, have a **certified Volvo technician** install the module to avoid voiding warranties or causing further damage.

**Final Verdict:** For most cases where the module is confirmed faulty, **purchasing the Volvo VNL light control module is a sound investment** if obtained from a reliable source. However, **prior diagnostics and supplier verification are essential** to avoid unnecessary costs or poor performance. If the issue is not isolated to the module, address the root cause first to prevent repeated failures.

Details:

20514900-02 2004 VOLVO VNL LIGHT CONTROL MODULE 3872394: 'TOP RT DASH UNDER PLASTIC TRIANGLE. If not, let us know how to earn your 5-star rating.

part #: 2581641 prices

• $138.60-$150.00

specifications tusilap:

• for makes: Volvo
• for years: 2004
• mpn: 2581641
• part type: Control Light Module
• oem part number: 20514900-02

seller tusilap:

• # reviews: 9308
• rating: 98.6%
• city: Toledo, OH

shipping tusilap:

• transit: 4-7 Days
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• carrier: UPS
• class: Standard, Expedited, One-day
• cost: $0.00
• type: Fixed

general tusilap:

• condition: Used
• Commercial Truck Parts > Lighting > Other Lighting

returns tusilap:

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

offer tusilap:

• availability: In Stock
• quantity: 1
• started: February 13, 2026
• sold: 0
• options: Ship-to-home

payments tusilap:

• wallet: Paypal
• other
• credit card: Discover

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