Blower Wheel Ford Sterling OEM# RD3-2557-0
        Ford Sterling Truck, 1991 1987, L Series, All w/Red Dot R8720 Unit, OEM# RD3-2557-0   International (Navistar), All Models, OEM# 1691731-C1   Kenworth, 1985 1980, K100, All w/Bergstrom A/C unit, OEM# HC1300   Kenworth, All Models w/Red Dot OEM# 1-6307Q, HC1020, HC1300, RD3-2557-0   Peterbilt, 2003 1988, 320, w/Red Dot A/C   5-3/16 |