[Vehicle Fitment] 28-1/2'' W Core Radiator Fan Compatible with 1973-1991 Chevy & GMC Multiple V8 Models; For 73-87 Chevy TRUCK C20/K10 K20 Suburban GMC V3500 5.7L 7.4L; For 1976-1986 Chevy C10 C20 C30 GMC Jimmy K1500 K2500; For 87-91 Blazer 81-86 C/K C10 C20 C30 K5 Suburban V8; For 87-91 Blazer 81-86 C/K C10 C20 C30 K5 Suburban V8 [Dimensions] Core Size:19" H x 28-1/2" W x 1.73'' T ; Overall Size:20-1/4" H x 33-1/4" W x 5.9'' T ; Upper Inlets:1 1/2" located on the driver side ; Lower Outlets:1 1/2" located on the passenger side ; Transmission Oil Cooler:¢32×215×G1/4(Z) [All Aluminum Radiator] The kuuhlersat cooling radiator is made of Aircraft AA5052 aluminum, constructed with 100% welded seams by TIG [OE/OEM Part Number] 716,CC716,CU716,DPI716,CU1599,EC716,AE716,MC716,438716,433716,1605-370200,0716-2AA,CR1599,CU1599, KKS716, 1599, B1599, B716, SBR716, 1605-370200,CU844, SPTCU716, 2308, 40385, 0AAS0778, 433716 [Excellent Performance] Precision-engineered by in-house team of automotive experts, 3 core (radiator +2pcs fans +shroud) design withstands harsh conditions to deliver enduring quality [Easy To Install] Light weight direct bolt-on OEM fitment or replacement, stronger & higher capacity for coolant than stock one Radiator Specs: 100% Tig welded, no epoxy High Performance Racing Spec. 3-Row of tubes Core Racing Design Core Material: Aluminum Tank Material: Aluminum Transmission Oil Cooler : Included Engine Oil Cooler: No Flow Type: Crossflow Mounting Type: Saddle OEM Style Brass Petcock Draind CNC Machined Billet and High Pressure Radiator Cap 1.3 Bar ONLY For Engines using 28 1/4" WIDTH X 19" HEIGHT CORE. PLEASE CHECK SPECS TO VERIFY FIT 12inch Fan Size: Maximum Fan CFM: 1730 cfm Fan Diameter (in): 12.050 inches Thickness (in): 2.500 inches Number of Blades: 10 blades Maximum Fan RPM: 2,250 rpm Blade Material: Plastic Amp Draw: 12.70 amps Includes the Mounting Tabs for an Easy Zip Tie Installation Thermostat Relay Kit Instructions: RED + connect directly to battery WHITE wire to ignition switch power source BLACK goes to thermos switch BLUE wire goes to the Fans OE/OEM Part Number: 716, CC716, CU716, RAD716, DPI716, SBR716 Manufacturer Part Number: 716, CC716, CU716, DPI716, CU1599, EC716, AE716, MC716 Interchange Part Number: 1599, 8011599, 3687, 2308, REA411599A, SPTCU1599 Superseded Part Number: 438716, 433716, 1605-370200, 0716-2AA, CR1599 This Radiator Compatible with: For 85 86 GMC C2500 C3500 K1500 K2500 For CHEVY C/K SERIES C10/C20/K10 PICKUP 73-80 For 73-87 Chevy Truck,73-91 Blazer (19 x 28-1/4"Core) For 81-90 GM Truck For 85 86 87 Chevy Pickup Truck 19" Core For 1981-1990 Chevy V Series For 1981-1990 Chevy Blazer For 1981-1990 Chevy K Series For 1973-1987 Chevy C/K Series 19" TALL For Chevy Custom Deluxe Truck & Suburban For 1983-1985 GMC C/K Trucks For GMC K2500 79-84 For Chevy Suburban 87-91 For 73 74 75 76 77 78 79 GMC C25 C2500 C35 For 1973-1991 Chevy Blazer / Jimmy For GMC C3500 79-84 For Chevy Silverado Truck, Blazer & Suburban For 73-90 Chevy Truck C30 PLS confirm the vehicle fitment before ordering, if you have any question about the radiator, pls feel free to contact us, thank you This aluminum radiator is big and easy got damaged during shipping, PLS contact us and offer us pics of damage details if the radiator or packing box arrived damaged, we are willing slove all problem