JMP Alternator / Generator Stator. JMP, Johannes Matthies Products is a brand of the Matthies wholesale company. Established in Hamburg, Germany over 80 years ago and developed from modest beginnings into a highly regarded company. All stages of production are strictly monitored (from carefully selected raw material to a finished product). Direct replacement – Identical to OEM part in form, fit and function. Highest quality standards where applicable, e. OEM specifications are met and/or exceeded. All products undergo rigorous quality control before being released to the aftermarket. If we have any problems with your order, we will let you know as soon as possible. Independent UK Business passionate about motorcycles and providing outstanding customer service. We post directly from our UK address. Fast and helpful customer service. High quality spares & parts at affordable prices.