The product listed is a used original GM 7 blade fan with the clutch assembly designed specifically for 69-78 GM vehicles, measuring 19 inches in diameter. This fan is identified by the GM brand and is known by the part number 3991431 with a dated design of F76. It is a crucial component for engine cooling systems, ensuring optimal performance and temperature regulation for classic GM vehicles. Nice original condition…see pics Please do your own research and verify this will fit your vehicle. Please ask questions or if more pictures needed before purchase. Sold As Is. Final Sale. No returns, refunds or credits. Thanks for looking
