VDO Lamp Holder Bayonet Model H - BA9S - 1-Polig Metal
Variously Type of Ba9s and T10 Wedge Base Lamp Holders, Assortment of Lamp Socket for #555 and #44/47 Bulbs, Widely Range of Bulbs Socket of Ba9s T4w Lamps - China LED 555
Lamp socket mounting measurements ø16.2mm socket Ba9s connection male faston 6.3mm, part no. 359832 | gastroparts.com