You can use the motor shaft seal from this kit to convert existing gear pump to a B100 compatible pump.

Gear Pump Overhaul Kit, Kit Type Overhaul Kit, Product Type Overhaul Kit, For Use With M-1115S, M-150S, M-180S, M-240S.

Fuel Transfer Pump, Max. Outlet Pressure 15 psi, Rated Voltage 12V DC, Pump Connection ID 1 in, Hose Length 12 ft, Cord Length 18 ft, Nozzle Operation Automatic, Thermal Protection Yes, Power Source Electric, Variable Speed No, Includes Discharge Hose Yes, Self-Priming Yes, Discharge Connection Type FNPT, Housing Finish Powder Coated, Includes Nozzle Yes, Pump Connection Type FNPT.

Complete overhaul Kit for your GPI gear pump. Manufacturer: ‎GPI. (M-150, M-180, M-240, and M-1115). Style: ‎Fuel Transfer Pump. Inlet Connection Type: ‎Threaded. Auto Part Position: ‎Inner. Global Trade Identification Number: ‎19.

W104 This is a brand new GPI Electric Fuel Pump Conversion & Overhaul Kit, model number 110504-1. It is designed to fit brand GPI and is suitable for use with Grainger items. The kit includes a gear pump overhaul kit and is manufactured in the US. The dimensions of the package are 5.500 inches in length, 4.000 inches in width, and 4.000 inches in depth, with a weight of 0.21.

This is a GPI Electric Fuel Pump Conversion & Overhaul Kit model 110504-1. It is designed for use in the oil and gas industry, specifically with dispensers and accessories. The kit includes components for converting and overhauling the electric fuel pump. It is manufactured by GPI and comes with free shipping.