Engine Parts

BESTfit AC Condenser For Peterbilt 18-03722The BESTfit AC Condenser 31.25 x 15 inch is a high-quality replacement designed for Peterbilt 330 and 335 models from 1995 to 2004. Featuring a durable core size of 31.25 inches in height, 15 inches in width,...

BESTfit 8.97 Inch Length AC Driver Accumulator Fits PeterbiltThe BESTfit 8.97 x 3.46 inch AC Drier Accumulator is a high-quality replacement designed for Peterbilt trucks, engineered to keep your air conditioning system clean and efficient. Made of...

BESTfit AC Condenser For Peterbilt Replaces 18-03554Replace your worn AC condenser with the BESTfit AC Condenser designed for Peterbilt models 357, 359, 362, 375, 377, 378, and 379. This high-quality condenser features durable aluminum construction and a...

BESTfit 4.25 X 10.5 Inch Plastic AC Drain Pan Fits Peterbilt 359Keep your truck's air conditioning system dry and functioning properly with the BESTfit 4.25 x 10.5 inch Plastic AC Drain Pan. Designed for durability and corrosion resistance, this...

BESTfit Peterbilt 359 Heater Core For Cab OnlyAre you getting little to no air flow when you turn the heat on in your truck? 4 State Trucks carries this replacement heater core for a 1977 - 1987 Peterbilt cabs. It replaces OE numbers 280244 and MC1020...

BESTfit Plastic Aluminum RadiatorMaintain optimal engine temperatures in your Chevrolet Kodiak, GMC C4500 TopKick, or Isuzu HTR with the BESTfit Plastic Aluminum Radiator. Built from durable aluminum and plastic, it includes a 10-inch engine cooler,...

BESTfit Radiator Fits GMC TopKick 2003-2008* High Quality Plastic Aluminum Radiator* Inches Core Size- 37.187 Inch Height- 19.187 Width- 2.00 Core Thickness- 1.810 Inlet Upper Left- 1.810 Outlet Lower Right* Sold Individually* Warranty On Charge Air...

BESTfit Plastic Aluminum Radiator 31.437 In X 23.312 In* High Quality Radiator* Plastic Aluminum* 31.437 Height X 23.312 Width X 1.375 Thick* Sold Individually* Warranty On Radiator Against Defects In Workmanship & Material From Date Of Purchase*** High...

BESTfit Metal Radiator W/ 2 1/2 Inch Inlet And Outlet* High Quality Radiator* Made Of Plastic/Aluminum* Includes:  - 11.50 Inch Engine Oil Cooler  - 11.50 Inch Transmission Oil Cooler  - Top Flange  - Bottom Pins* Core Size:  -...

BESTfit Radiator Fits GMC TopKick 2003-2007* High Quality Plastic Aluminum Radiator* Inches Core Size- 42.875 Inch Height- 23.25 Width- 2.00 Core Thickness- 1.75 Inlet Upper Left- 1.75 Outlet Lower Right* Sold Individually* Warranty On Charge Air Cooler...

BESTfit Plastic Aluminum Radiator Kit Fits GMC TopKick 2003-2007* High Quality Plastic Aluminum Radiator* Kit Contains- One Radiator- One 36 X 1.75 Inch Hose- One 6 X .375 Inch Hose- One Set CAC Bushings- Four 1.75 Inch Stainless Constant Torque Clamps*...

BESTfit Radiator Fits GMC TopKick 2003-2007* High Quality Plastic Aluminum Radiator* Inches Core Size- 37.187 Inch Height- 23.125 Width- 2.00 Core Thickness- 1.75 Inlet Upper Left- 1.75 Outlet Lower Right* Sold Individually* Warranty On Charge Air Cooler...