P21W, PY21W, P21/5W |How do I choose the right LED Bulb size for my car? - Per-Accurate Inc.
![](https://www.per-accurate.com/wp-content/uploads/2023/10/P21W-PY21W-P21-5W.jpg)
P21W, PY21W, P21/5W, are all commonly used car light bulb base, do you often confuse these? This article will help you to solve the confusion, so that you won't buy the wrong specification, only to find that you can't use it at home!
![](https://www.boslla.com/wp-content/uploads/2019/01/H11-LED-FOG-LIGHT-BULB-3-COLORS-BOSLLA-02.webp)
H11 LED Headlight Bulb White & Yellow - Boslla
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Py21w Bulb Automotive
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Alfa 159 TI Full LED Conversion – Exterior Guide - Jabawok Industries
Please help 2000 e320 brake light problem, Page 2
![](https://cdn2.svetila.com/1229-home_default/12v-car-bulb-p21-4w-7225-baz15d.jpg)
Osram: Pioneering Illumination for a Brighter Future
【500%+ Brightness】: Pack of 2 BAY15D(1157) led bulbs come with 2A current, 6000K Pure White, Voltage: DC 12V-24V, Power: 25W/PC, 5000LM 5 times
![](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61AIB2V2cEL.jpg)
Eluseastar S25 P21/5W BAY15D LED Bulbs White 6000K Built in Resistor with 6000LM Extremely Bright for Car Side Marker Brake Reverse Backup Daytime
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Car Bulbs P21 vs 6 SMD LED Light BA15S
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HELLA New Zealand Catalogue V15 by HELLA NZ - Issuu
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