Cooling Systems, , CUMMINS ISB, Fan Blade, (GOOD USED) CUMMINS ISB 6.7 FAN BLADE, 9 BLADES, 26 DIAMETER, PART# KYS4735 43783 40, 783-40 A 26, M/2197 C/ 2084 7507, STOCK# 1894 PARTS ARE TESTED & INSPECTED! SHIPS OUT SAME DAY! OVERNIGHT SHIPPING AVAILABLE! CALL (305)688-1101