1966 Ford 4000 Tractor Maintenance Part 8 Replacing The Radiator D3nn8005sb tractor radiator for ford 55 445c 535 545 4500 5000 5200 5600 6600c this aluminum radiator is designed to provide maximum cooling efficiency to prevent premature engine failure. The seller is justperformance and is located in Chino, California. All shop order, bulk order, wholesale is welcome.