Hella 7528TB Brake Light Bulb

Hella 7528TB Brake Light Bulb Overview

The Hella 7528TB brake light bulb is a 12V incandescent bulb built for exterior lighting applications that require a 21/5W dual-filament setup. It uses a BAY15d-style socket application and is listed across a wide range of vehicles, including Hyundai Veloster, Ford Transit Custom, and Mercedes-Benz Sprinter models.

For drivers replacing a failed stop/tail bulb, this Hella bulb offers the correct electrical rating and bulb format for many halogen-equipped vehicles. The 7528TB part number is a direct reference point for shoppers searching for an OE-style brake light bulb replacement.

Key Features

• 12V incandescent brake light bulb for exterior lighting systems
• 21/5W dual-filament output for stop and tail lamp functions
• BAY15d socket-type application noted in fitment data
• Hella lighting component backed by more than 100 years of automotive manufacturing experience
• Fits a broad range of vehicles from Hyundai, Kia, Ford, Jeep, Mercedes-Benz, Volkswagen, Audi, BMW, and more
• Part number 7528TB for accurate catalog matching

Product Details

Hella develops and manufactures automotive lighting and electronic components with a strong focus on precision, reliability, and consistent workmanship. The 7528TB brake light bulb is specified as a 12.00-volt incandescent bulb with 21.00-watt primary output and 5.00-watt secondary output, making it suitable for vehicles that use a dual-intensity rear lamp circuit. If you are searching for a brake light bulb for a 2019 Hyundai Veloster, 2018-2020 Kia Optima, or 2014-2020 Ford Transit Custom, this part number is one to verify against your original bulb specification.

This part cross-references common OE-style applications for the same bulb format, including BAY15d-based stop/tail lamp setups.

What It Helps Fix

• Inoperative brake light or stop lamp
• Dim or uneven rear lighting output
• Tail lamp bulb failure in dual-filament systems
• Bulb mismatch during routine lighting service
• Warning lights caused by a failed exterior bulb on some vehicles

Installation Notes

Confirm the original bulb base, voltage, and wattage before installation. This bulb is listed for halogen-equipped applications that use a BAY15d socket type and 12V 5/21W specification. Always compare the old bulb to the replacement and verify the vehicle position shown in the fitment data, especially on models with rear, outer, front, or inner lamp variations. The 7528TB part number should match the original bulb specification before installation.

Quality Assurance

Hella is a global automotive supplier known for lighting and electronic systems, with extensive research and development resources and a long history in precision automotive manufacturing. The brand’s focus on security, reliability, and workmanship supports consistent product quality across its lighting range.