will 76 vw camper headlight unit fit 72 vw camper?

[mjmik1]

one is probably halogen and not the other one will be brighter. the h4 is probably the halogen

 

[OAK]

As 76 has a h4 bulb and 72 has a p45 bulb .
76 headlight is half the cost of a 72 headlight