Overview Reviews Product Description The GPI gear pump overhaul and conversion kit is designed to help keep GPI 12-volt, 24-volt, and 115-volt gear pumps running as long as possible. Complete overhaul kit for your GPI gear pump. Whether you have an M-150, M-180, or M-240 this kit will allow your pump to return to the performance it had on the first day it was used. GPI Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × GPI M-1115®S, M-150®S, M-180®S & M-240®S Fuel Transfer Pump Rebuild Kit 110504-1 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *