Cooling Fan Relay Kit (902-310) by Dorman®. Terminal Quantity: 4. Connector Gender: Male. Connector Quantity: 1. Terminal Gender: Male. Terminal Type: Pin. Material: Plastic. Designed to restore the radiator fan to proper operation by reliably controlling fan speeds, Dorman’s Engine Cooling Fan Motor Relay provides long lasting protection against overheating. It is especially important during the hot summer months. Replacement safeguards the engine against possible costly damage.