Part Number: 3690. People that look up auto parts for a living get paid to do it because it is not as easy as people might think. Auto Parts USA has over 40 years of auto parts experience.
True CFM rating. Unlike many cheap knock-off fan with FAKE CFM rating.
High CFM air flow for little power consumption. I didn't want dual speed fan so I installed these 2 for V8 with 2 different thermostat set at different temperature.