Peterbilt 359Heater Box You Asked, WE Answered! call or Email us for your quote or to place an order! Email Call Kenworth and PeterBilt HVAC & Heater Boxes Bunk Heaters | Heater Boxes | HVAC Parts | Fresh Air Filter Kits | Bunk Heaters Heater Boxes HVAC Parts Fresh Air Filter Kits Premium Kenworth Heater Box HVAC Package 1987-2024 (W900, T800, T600 Models) from CA$2,305.00 View Options Aluminum Kenworth Heater AC Box 1987 - 2014. (Part# 600002) CA$1,650.00 Purchase Added! Stainless Steel Kenworth Heater AC Box 1987 - 2014. (Part # 600001) CA$1,875.00 Purchase Added! Stainless Steel Kenworth Heater AC Box Pad Mount 2015+ (Part# 600003) CA$2,075.00 Purchase Added! Stainless Steel Heater AC Box T300/370 1995-2014 (Part# 600004) from CA$1,875.00 View Options Stainless Steel Kenworth Heater AC Box Pad Mount T300/T370 2015+: (Part #: 600007) CA$2,075.00 Purchase Added! Stainless Steel Kenworth Heater AC Box and Blower Only 2015+ (Part# 600021) CA$1,075.00 Purchase Added! Stainless Steel Kenworth Heater AC Box and Blower Only 2015+ T300/T370 (Part# 600009) CA$1,075.00 Purchase Added! Stainless Steel Kenworth Heater AC Box and Blower Only 1995-2014 T300/T370 (Part# 600008) CA$1,075.00 Purchase Added! Kenworth Heater AC Box and Blower Only 1987-2014 (Part#'s 600005,600006) from CA$925.00 Material: Select Material Stainless Steel Aluminum Purchase Added! Stainless Steel Blower Upgrade Kit T300/T370 (601018) CA$375.00 Purchase Added! Blower Upgrade Kit, Stainless or Aluminum 1987-2014 (Part#'s 601007,601008) from CA$335.00 Material: Select Material Stainless Steel Aluminum Purchase Added! Aluminum Upgrade Finisher Kit (Part# 601017) CA$595.00 Purchase Added! Stainless Steel Upgrade Finisher Kit (Part# 601016) CA$710.00 Purchase Added! Stainless Steel Kenworth Bunk Heater CA$2,685.00 Add To Cart Added! Standard Pad Mount Expansion Valve 99-07 (601004) CA$80.00 Purchase Added! Single Port Block Type Expansion Valve 87-98 (601003) CA$80.00 Purchase Added! Dual Port Block Type Expansion Valve 2008- Mid 2014 (601009) CA$80.00 Purchase Added! OEM Kenworth Fresh air Duct (Part #'s 601023,601063) CA$475.00 Model Year: Select Model Year 2001 or Newer W900 - T800- T600 1987-2000 W900 - T800 - T600 Purchase Added! Premium Kenworth Thermostat Freeze Switch (601015) CA$125.00 Purchase Added! OEM Style Stainless Steel Duct Flap Assembly CA$125.00 Model Year: Select Model Year 2001 and Newer 1987-2000 Purchase Added! Dual Port Pad Mount Expansion Valve Mid 2014+ (601005) CA$80.00 Purchase Added! Rubber Recirculation Flap For Kenworth Heater Box CA$25.00 Purchase Added! Replacement Kenworth AC Evaporator 1987-2014 CA$425.00 Purchase Added! Replacement Kenworth Heater Core CA$395.00 Purchase Added! Replacement Blower Fan (601013) CA$240.00 Purchase Added! OEM Kenworth HVAC Clip (Part# 601069) CA$4.50 Purchase Added! Kenworth Cab Fresh Air Filter System CA$180.00 Purchase Added! Closed Face Kenworth Fresh Air Filter Kit CA$180.00 Purchase Added! Replacement Filters (601014) CA$35.00 Purchase Added! Customer review & Install Video