For Fiat Ducato, Peugeot Boxer and Citroen Relay (aka Citroen Jumper) from 1994 to June 2006 with original van body. This van was made in 2 roof heights and 3 lengths.
SWB will only have a very small gap between the front of the sliding door and the cab door. There will also only be the same size small gap from the back of the sliding door to the front of the rear wheel arch.
Measurement from centre of rear wheel to centre of front wheel is 2,850mm (285cm)
MWB will still on have the same small gap between the front of the sliding door and back of the cab door. However, there will be a larger gap between the back of the sliding door and the wheel arch.
Measurement from centre of rear wheel to centre of front wheel is 3,200mm (320cm)
LWB will have a noticable gap between the back of the cab door and the front of the sliding door. Sometimes there will be a window in this panel but not always.
Measurement from centre of rear wheel to centre of front wheel is 3,700mm (370cm)
Low roof will have the top of the sliding door level with the top of the cab door. Total height of the van is approx 2,150mm (215cm)
High roof will have the top of the sliding door above the top of the cab door. Total height of the van is approx 2,460mm (246cm)