Hella 3893SB Courtesy Light Bulb - Front or Rear

Hella 3893SB Courtesy Light Bulb

The Hella 3893SB is a 12V incandescent courtesy light bulb built for interior lighting applications that call for a miniature bayonet base and 4W output. It is a direct-fit style bulb for a wide range of classic and modern vehicles, including Mercedes-Benz G-Class, Ferrari 488, and Porsche 911 applications.

Key Features

• 12.00V incandescent courtesy light bulb
• 4.00W wattage for interior courtesy and cabin lighting
• Miniature bayonet bulb base type
• T2.75 bulb type designation
• Hella part number 3893SB for accurate ordering and replacement
• Fits front and rear interior lighting applications on select vehicles

Product Details

Hella 3893SB is an interior courtesy light bulb engineered around the specifications commonly used in OE-style cabin lighting systems. With a 12-volt rating, 4-watt draw, and incandescent technology, it matches the electrical and physical requirements found in many Mercedes-Benz, Ferrari, Audi, Jaguar, Volvo, Volkswagen, Saab, Land Rover, BMW, and Porsche models. The miniature bayonet base helps ensure proper socket engagement in applications that specify BA9s-style fitment, while the T2.75 bulb type supports straightforward replacement in courtesy light locations.

Hella is a long-established automotive lighting and electronics manufacturer with extensive research and development resources and a global parts presence. The brand’s focus on precision workmanship and reliability makes the 3893SB a practical choice for drivers restoring interior lighting performance on vehicles such as the Mercedes-Benz G500, Ferrari 488 GTB, and Porsche 911.

What It Helps Address

• Dim or failed courtesy light output
• Interior lighting that no longer illuminates when doors are opened
• Burned-out cabin or entry lighting bulbs
• Replacement needs for BA9s-style interior bulb sockets
• Restoration of factory-style interior lighting on older and newer vehicles

Installation Notes and Tips

Verify the bulb base, voltage, and wattage before installation. This bulb is specified for 12V, 4W applications and should be matched to the vehicle’s original courtesy light requirements. Confirm the socket type and position listed in the fitment data before ordering, especially on Mercedes-Benz G-Class, Ferrari 488, and Porsche 911 models where front, rear, and N/A positions are listed across different years.

Fits 2019-2020 Ferrari 488 Pista, front; fits 2016-2019 Ferrari 488 GTB, front; fits 2011-2018 Mercedes-Benz G500, front; fits 1981-1998 Porsche 911, front.

Quality Assurance

Hella manufactures automotive lighting components with a long-standing emphasis on security, reliability, and precision workmanship. The 3893SB reflects that engineering approach for interior courtesy light replacement across confirmed OE-style applications.