LED Bulb P21/5W (BAY15D) – brake & parking light

LED Bulb P21/5W (BAY15D) – brake & parking light

Switch to LED for your brake and tail lights with our P21/5W bulbs. BAY15D base with dual filament (21W brake + 5W tail). Our LEDs offer instant lighting, a clear contrast between the two intensities and a 10x longer lifespan. Canbus models available. France stock, 24/48h delivery.

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LED P21/5W BAY15D – Dual intensity for brake and position

The P21/5W dual-filament bulb

The P21/5W bulb integrates two filaments in a single BAY15D base: a 21-watt filament for the brake light and a 5-watt filament for the tail/position light. The BAY15D base has two pins at different heights to ensure a correct connection. In the LED version, the two brightness levels are managed by separate circuits, offering an even more pronounced contrast between position and braking.

Installation and compatibility

Check that your rear light does indeed use a BAY15D base (15 mm, two pins offset in height) and not a BA15D (symmetrical pins). During installation, respect the installation direction: the pins must engage naturally. If the vehicle reports an error, choose a Canbus version with integrated resistor. Also check the dimensions of the LED bulb (often slightly longer than the halogen) to make sure it fits in the light housing.

Why buy from AGM Vision

AGM Vision offers P21/5W LED bulbs tested for reliable dual-intensity operation. Our technical data sheets indicate the luminous flux on each circuit, Canbus compatibility, and the exact dimensions. Stock in France, shipping within 24/48h, responsive customer service and 3x/4x payment at no extra cost from 45 €.

P21/5W (BAY15D) – Stop & position - Frequently Asked Questions