Kenworth and PeterBilt HVAC & Heater Boxes › Replacement Blower Fan (601013) Image 1 of 1 Replacement Blower Fan (601013) CA$240.00 High Quality Bergstrom Blower Fan For Kenworth HVAC Systems. Quantity: Purchase Added! High Quality Bergstrom Blower Fan For Kenworth HVAC Systems. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Rubber Recirculation Flap For Kenworth Heater Box CA$25.00 OEM Kenworth HVAC Clip (Part# 601069) CA$4.50 OEM Style Stainless Steel Duct Flap Assembly CA$125.00 Replacement Kenworth Heater Core CA$395.00 Single Port Block Type Expansion Valve 87-98 (601003) CA$80.00