P21W，功率是21W，灯泡直径是26.5mm，总长是52.5mm，也可称为BA15S或1156。做成的灯泡可称为球形灯泡。常见使用车型如雨燕、标致206等。可用作前转向灯或后转向灯，但多用于后转向灯。 PY21W

The BA15S and BAU15S are both Bayonet base with a diameter of 15mm (0.56in) with a single contact on the bottom of the base. BA15S (1156) vs BAU15S (7507 PY21W) base. While both bases have two lugs on the side of the base the difference between them is that BA15s have the lugs at 180 degree and BAU15s has the lugs at 150 degree apart. SHOP FOR ...

2023年9月1日 · 1156 Straight: Officially known as BA15S Different wattages may have alternative names; for example, a 21W turn signal bulb is also called P21W. 1156 Angled: Officially known as BAU15S

BA15S (1156) and BAU15S (7507 PY21W) base. Both bases come with two lugs on each sides of the base, the different between the two bases are in the way that BA15s are equipped with lugs located at 180 degrees and BAU15s has the lugs set at 150 degrees apart.

2024年12月21日 · P21W和PY21W是两种常见的汽车灯泡型号，它们具有相同的功率21W，灯泡直径26.5mm，总长52.5mm。P21W也被称为BA15S或1156，其形状为球形灯泡。常见的使用车型包括雨燕、标致206等，主要用于后转向灯，但也可用作前转向灯。

正確名稱為： ba15s. 功率不同會有不同的別稱 像是方向燈的21w，也會稱為 p21w

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 fi

PY21W (BAU15S): The offset pins ensure that the amber-colored PY21W bulb is installed correctly in turn signal or indicator light sockets, preventing improper installation. This ensures the light is properly aligned for optimal performance, especially in …

2013款Polo后面刹车尾灯型号是P21W，单尾平脚，功率是21W，也可称为BA15S或1156。 这种灯泡多用于后刹车灯，也有少量其他车型用于前转向灯。 灯泡小灯型号

2017年9月12日 · py21w也就是S25BAU15S，叫做单丝歪脚，其两侧凸起呈150度左右而不是180度对称型，这是一款非常用的汽车灯泡，跟单丝平脚的不通用。 P21/5W是S25BA15D，这是一款普通的双丝汽车灯泡，与双丝高低脚等类型不通用。