Possible Source,,, No experience with their quality ~

https://belmetric.com/full-tab-constant-tension-clamp-9mm-50mm/?sku=CTC32BAND12

https://belmetric.com/wide-band-full-tab-constant-tension-clamp-9mm-50mm/

        Size Info

https://www.thesamba.com/vw/forum/viewtopic.php?p=7070719

“ After doing some research and finding very little information,

I spent some time looking up all the spring clamp information

using the dealer catalog.This is for the spring style hose clamp

(constant tension) used on the later vanagons.These are all the

sizes used on 1.9/2.1 liter. The sizing appears to me to be the

diameter the clamp will hold at mid range according to my

caliper,which I assume is ideal tension."

PART NUMBER- HOSE/CLAMP SIZE(MM)- CLAMP COLOR 
N0164011 19 (H2O PUMP ELBOW?) BLACK 
N0164021 23 (HEATER HOSE) BLUE 
N0164031 27 (COOLANT TOWER) GREEN 
N0164041 32 (COOLANT TANK HOSE) BROWN 
N0164101 40 (RAD.HOSE SMALL) LIGHT GREY 
N0164091 47 (RAD.HOSE LARGE) GREEN 

> On 23 Feb , 2023, at 8:54 AM, Eric Caron <ericcaron96@COMCAST.NET> wrote:
> 
> Thanks Karl, 
> 
> Good to hear you liked the Nissens quality and thanks for another source of parts.
> 
> I’m leaning toward the Nissens but planning to get from FCPEuro because of the warrantee and over all price including shipping.
> 
> I’m still taking in peoples tips and this has been a big help as I’ve learned alot and though not sure what is best I feel I’m getting closer to a good option. 
> 
>        I sure wish I could just purchase a solid one with confidence.  Sad I’m planning to get one because I can get free replacements!
> 
> This list is so helpful.  There are many more radiator choices and different prices out there then I realized.
> 
> Eric Caron 
> 
> 
> On Feb 23, 2023, at 2:26 AM, Karl Mullendore <tdiguru@WESTYVENTURES.COM> wrote:
>> 
>> spareto.com <http://spareto.com/> has NRF and Nissens, both excellent quality from what I've seen in
>> what I got for my VW LT31 and Sprinter radiators from them.
>> NRF currently $185 and Nissens $180 delivered, in one week via DHL. I highly
>> recommend this company as they have supplied a ton of parts I couldn't find
>> elsewhere, wide selection of the best brands and everything at super prices