I found a bunch of red 38 mm also on Amazon. The 42s fit, they just push the end tabs out a ways. Possibly a little brighter if they've got more LEDs on them?Are they really 42mm? The tape measure indicates 1.5" = 38mm
These might work for the white ones:https:
//www.amazon.com/NJYTouch-White-Festoon-Interior-Canbus/dp/B01GE5KFRW/ref=pd_day0_263_3?_encoding=UTF8&pd_rd_i=B01GE5KFRW&pd_rd_r=V211B4S0QQD83917YDF9&pd_rd_w=e9vSd&pd_rd_wg=VqhNM&psc=1&refRID=V211B4S0QQD83917YDF9