Belt Tensioner, Belt Tensioner Engine Parts, Belt Tensioner Cummins China Part No. Part Name Part No. Part Name C3921524 4BT Belt Tensioner C2874023 ISZ Belt Tensioner C3924026 4BT Belt Tensioner C4975245 ISZ Belt Tensioner C3934816 4BT Belt Tensioner C4960155 ISZ Belt Tensioner C3936197 4BT Belt Tensioner C4999810 ISZ Belt Tensioner C3934814 4BT Belt Tensioner C4316726 QSZ Belt Tensioner C4994573 4BT …