Grand General – 3157 Automotive Light Bulb

3157 Automotive Light Bulb – Amber or Clear (12V D.F. Wedge Base) | Grand General

The Grand General 3157 Light Bulb is a versatile and reliable replacement option for a wide range of automotive and marine applications. Commonly used in trucks, tractors, RVs, trailers, passenger vehicles, and boats, this 12-volt bulb delivers dependable illumination with a dual-function (D.F.) wedge base for easy installation. Available in Amber or Clear, it provides bright, consistent light output for signals, markers, brake lamps, tail lamps, and multifunction lighting systems.

• Manufacturer: Grand General
• Item Numbers: Amber (83977), Clear (83979)
• Voltage: 12V
• Max Amps: 2.10A
• Base Type: Dual Function (D.F.) Wedge Base
• Available Colors: Amber or Clear
• Function: Ideal for signal lights, marker lights, brake/tail lights, and general illumination
• Fitment: Standard 3157 socket applications in automotive and marine environments
• Sold By: Each (choose color)

Performance & Fit

The 3157 dual-function wedge bulb provides dependable brightness and long-lasting performance. Its consistent output and standard 3157 fitment make it a trusted replacement for factory-installed bulbs across a wide variety of vehicles and equipment. Choose Amber for turn signals or marker lights, or Clear for brake, tail, reverse, and general-purpose lighting.

Installation

1. Confirm your socket uses a 3157 D.F. wedge-base bulb.
2. Remove the old bulb from the socket.
3. Insert the new 3157 bulb firmly into the wedge base.
4. Test the light before re-installing the lens or housing.

Why You’ll Love It

• Reliable 12V performance with 2.10A max draw
• Available in Amber or Clear for versatile use
• Compatible with a wide range of automotive and marine lighting
• Standard 3157 dual-function wedge base
• Easy plug-in installation

Common Questions

• Is this bulb LED? No — this is a traditional 3157-style filament bulb.
• Will this fit my truck or RV? If your socket uses a 3157 wedge base, this bulb will fit.
• What’s the difference between Amber and Clear? Amber is commonly used for turn signals and markers; Clear is often used for brake, tail, or reverse lights.
• Is it 12-volt? Yes — this bulb operates on 12V systems.

⚠️ California Proposition 65 Warning:
This product can expose you to chemicals including lead and other substances known to the State of California to cause cancer and reproductive harm.
For more information, visit www.P65Warnings.ca.gov.

Note: Select Amber (83977) or Clear (83979). Fits standard 3157 dual-function wedge base sockets. Sold individually.