Durite 0-834-10 - Universal In-Line Diode - 10A - 50V DC [ALM Part Reference - 0-834-10] - £2.54 : ALM Solutions, Auto Electrical Parts and Accessories for Cars, Boats, Caravans and Campers
Relay 12V 10A with protective Diode
KBPC1010-5010 10A - 50A Silicone Bridge Rectifier Diode,AC to DC 12V 24V Charger | eBay