Engine Parts

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...

BESTfit Radiator Without FrameProtect your engine and improve cooling efficiency with the BESTfit Plastic Aluminum Radiator with Oil Cooler for GMC TopKick and Chevrolet Kodiak. Featuring a 27.5 25.5 1.375-inch core and a 2.00-inch inlet/2.25-inch outlet...

BESTfit Radiator Fits Diesel GMC & Chevrolet C1500-C2500This high quality 34 X 19.4375 inch radiator that fits GMC models has an aluminum 2 row core and a thickness of 2.125 inches. The radiator has a 1.8125 inch inlet and outlet and comes with a 2 year...

BESTfit Charge Air Cooler Kit Fits Chevrolet & GMC* High Quality Charge Air Cooler* Inches Core Size  - 43.110 Height  - 18.390 Width  - 1.570 Core Thickness  - 2.990 Inlet   - 2.990 Outlet * Sold Individually* Warranty On Charge...

BESTfit Aluminum Charge Air Cooler Fits GMC TopKick 1990-1999* High Quality Charge Air Cooler* Made Of Aluminum* Core Size:  - 34.88 Inch Height  - 26.41 Inch Width  - 1.63 Inch Depth  - 3.38 Inch Inlet At 6.5 Inches From Top  -...