[Transmission] Gearbox identification

[Kieron G]

The gearbox on our 1.8i petrol has been rattling in neutral for a while so as part of a front end refurb shockers, springs, brakes etc.. I thought I would remove and see if i can sort it. 
Took the tin cover off the back and immediately I've seen some marked teeth.
Now looking for a good replacement but 1.8 petrol Berlingos are thin on the ground in breakers.
The best identification I can find on the box is 'ds16' and hoping that the same box might have been fitted in other more common models as the engine Xu7jb was fitted in Xsara and Xantia up to 2001.
The search goes on but if any forum users have a lead for a good gearbox it would be much appreciated. 
There is a box out of 1.8i Berlingo on eBay but no history etc..

[Kieron G]

Just to update as I remember there are a few 1.8 petrol M49 owners have been on this forum.
The gearbox type is 20te26. Is only fitted to 1.8i Berlingo.
I put a search out on a few of the breaker sites and had two different offers couple of hours drive or £60 postage.
Would really like to see what I'd be buying so probably take a drive out some time