SX-3786

Introducing the Dorman SX-3786 tail light circuit board, specifically designed for the electrical needs of the 2007 GMC Sierra 3500 Classic. This tail light circuit board is an essential electronic component that ensures the proper functioning of your vehicle's tail lights and brake lights.

The SX-3786 is a direct OEM replacement part. This means that it is engineered to fit and perform exactly like the original equipment that came with your vehicle from the factory. The board features a durable design, ensuring reliable performance even under heavy usage.

The tail light circuit board includes all necessary connectors to easily plug and play with your vehicle's wiring harness. This eliminates the need for time-consuming and complicated wiring modifications. The board's plug-and-play design also minimizes the risk of error during installation, ensuring a seamless and hassle-free experience.

Each connector on the board is clearly labeled, making it easy to identify the correct connection for each wire. This not only simplifies the installation process but also helps prevent potential errors that could lead to incorrect wiring and malfunctioning lights.

The Dorman SX-3786 tail light circuit board is made from high-quality materials that are resistant to corrosion and other environmental factors. This ensures that the board can withstand the rigors of daily driving and the elements, providing long-lasting performance and reliability.

In summary, the Dorman SX-3786 tail light circuit board is a superior replacement part for the electrical needs of your 2007 GMC Sierra 3500 Classic. Its direct OEM fit, plug-and-play design, and durability make it an excellent choice for maintaining the proper functioning of your vehicle's tail and brake lights.

Buying a Dorman SX-3786 tail light circuit board for a 2007 GMC Sierra 3500 classic can be a viable solution for replacing a faulty tail light circuit. Here are some pros and cons to consider before making a purchase:

1. Cost-effective: The Dorman SX-3786 tail light circuit board is generally more affordable compared to buying a new OEM tail light assembly.

2. Easy installation: Since it's just the circuit board that needs replacement, the installation process is usually simpler and quicker than replacing the entire tail light assembly.

3. Availability: The Dorman SX-3786 tail light circuit board is widely available at auto parts stores and online retailers.

1. Potential compatibility issues: While the Dorman SX-3786 tail light circuit board is designed to fit most 2007 GMC Sierra 3500 classics, there's always a chance that it might not work perfectly for your specific vehicle due to minor differences in wiring or other electrical components.

2. Quality concerns: Some customers have reported that the Dorman SX-3786 tail light circuit board does not function as reliably as an OEM part.

3. Lack of warranty: Unlike OEM parts, aftermarket parts like the Dorman SX-3786 tail light circuit board usually do not come with a warranty.

The Dorman SX-3786 tail light circuit board can be a cost-effective and convenient solution for replacing a faulty tail light circuit in a 2007 GMC Sierra 3500 classic. However, it's essential to consider the potential compatibility issues and quality concerns before making a purchase. Ultimately, if you're comfortable with taking a slight risk for potential savings, then the Dorman SX-3786 tail light circuit board could be a good option for you.

If you're confident that the Dorman SX-3786 tail light circuit board is the right fit for your vehicle and you're comfortable with the potential risks, then you can purchase it from a reputable auto parts retailer. Make sure to double-check the compatibility and follow the installation instructions carefully to minimize any potential issues. If you're not comfortable taking that risk, you might consider purchasing an OEM tail light assembly instead or seeking professional repair services.

Details:

Dorman tail light circuit board for 2007 Gmc Sierra 3500 Classic electrical rm: status: in stock.

specifications interiorswoop:

• for models: 3500, Sierra, Classic
• for makes: Gmc
• for years: 2007
• brand: Dorman Oe Solutions
• mpn: Sx-3786
• manufacturer warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part
• ipn: C728 46-43
• placement on vehicle: Electrical Lighting Body Lighting Exterior
• compatible model: Sierra 3500 Classic
• core charge: Free No Core Charge
• type: Tail Light Circuit Board
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Dorman Tail Light Circuit Board

general interiorswoop:

• category: Auto Parts > Car Truck > Interior Accessories

offer interiorswoop:

• sold #: 13
• options: ship-to-home
• availability: in stock
• in stock #: 5
• prices: $12.02–$119.13
• item condition: New
• started: october 14, 2025

payments interiorswoop:

• other
• credit card: mastercard
• wallet: apple-pay

returns interiorswoop:

• paid by: seller
• time: 30 days
• policy: returns accepted

seller interiorswoop:

• city: indianapolis, indiana
• rating: 99.0%
• # reviews: 580278

shipping interiorswoop:

• class: standard, expedited
• type: fixed
• transit: 2-6 days
• service: standard, expedited

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