GPI Fuel Filter Kit for Fuel Transfer Pumps — 20 GPM GPI® Filter Kit for fuel transfer pumps includes a 10 micron filter, 3/4in. x 4in. pipe nipple and cast iron adapter with 3/4in. inlet and outlet ports. Designed to remove dirt, dust, rust and other common contaminants from diesel fuel, gasoline and kerosene.Brand: GPIAvailability: In stockPrice: 42 fuel transfer pump filter kit | eBay www›Search›fuel transfer pump filter kitSave fuel transfer pump filter kit to get e-mail alerts and updates on your eBay Feed. + Items in search results. GPI Filter Kit for Fuel Transfer Pumps - 20 GPM. Brand New. $37. Trending at $39 Trending price is based on prices over last 90 days. Buy It Now +$7 shipping. 192 Sold 192 Sold.