Peterbilt 359Heater Box You Asked, WE Answered! call or Email us for your quote or to place an order! Email Call Heater Boxes 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 Pad Mount 2015+ (Part# 600003) CA$2,075.00 Purchase Added! Stainless Steel Kenworth Heater AC Box Pad Mount T300/T370 2015+: (Part #: 600007) 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 1987 - 2014. (Part # 600001) CA$1,875.00 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! Blower Upgrade Kit, Stainless or Aluminum 1987-2014 (Part#'s 601007,601008) from CA$335.00 Material: Select Material Stainless Steel Aluminum Purchase Added! Stainless Steel Blower Upgrade Kit T300/T370 (601018) CA$375.00 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 Upgrade Finisher Kit (Part# 601016) CA$710.00 Purchase Added! Aluminum Upgrade Finisher Kit (Part# 601017) CA$595.00 Purchase Added! Customer review & Install Video