Our Diaphragms are a direct fit for your Montabert/Tramac MT17639.
Big Hammer Co is an aftermarket manufacturer for all the brands we sell. Big Hammer Co is not endorsed or sponsored by, or in any way associated with Montabert/ Tramac. This product is an aftermarket part.
Any use of or reference to the Montabert/ Tramac trademark is for the sole purpose of indicating compatibility or product fit, and is not meant to imply any affiliation or relationship between Big Hammer Co and Montabert/ Tramac and/or the Montabert/ Tramac Trademark.