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AftermarketRef.
HALOGEN H21 BULB 12V 21W BAY9S (1 Light) for Beacon/Auxiliary Cod. 36656
HALOGEN H21 BULB 12V 21W BAY9S (1 Light) for Beacon/Auxiliary Cod. 36656
Read more ↓- *21W Output
- *12V Standard
- *H21W Type
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Description
Single-filament halogen bulb of the **H21W type**, with a miniature **BAY9S** bayonet base. Designed for **12V** electrical systems with a wattage of **21W**. It is typically used in **Rotating Beacons** (flashing lights) and as an auxiliary light, Daytime Running Light (DRL), or rear fog/reverse light in certain modern vehicles, given its high brightness for a single bulb.
Key features
*21W Output** High brightness for signaling or auxiliary use.
*12V Standard** Compatible with the electrical system of cars and light/medium vehicles.
*H21W Type** Halogen lamp for superior performance compared to R5W/P21W incandescent lamps.
*BAY9S Base** Bayonet with pins at 90° and offset (asymmetric) for precise fitting.
From the same category: Replacement Bulbs
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Shipping and returns
📦 ShippingShips within 2 working days, GLS delivery in 1–3 days. Free shipping over €30 (VAT excl.).
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Price€2.50






