By focussing on the image you can see in detail whether the part is the same as what you are looking for. Given the popularity of this product, it can be said that there is a lot of enthusiasm for it. We are displaying the spare 37GBM1SEI under the name "OM SFX50. It is quite possible that you will come across this elsewhere under a different name. It is recommendable that you only look at the part number. At the time of writing this product was available. Check with the button what the status is of this part.