TEGIWA Slim Fan. Keeping engine temperatures down is clearly essential and with our 12" radiator fan you can have confidence that your power plant is operating optimally, and more importantly, safely. Universal fitment means it can be used in conjunction with any TEGIWA Alloy radiator or any other aftermarket alloy radiator, while its slimline design allows for more space in your engine bay. All mounting brackets and ancillaries are included in the kit.