Peterbilt 357/378 Engine Parts & Cooling
Enhance the operation of your vehicle with our top-grade Peterbilt 357/378 engine parts and cooling components. We offer everything needed to maintain your vehicle at peak performance, including radiators, AC Compressors, Poly Hoses, and EGR coolers
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Radiator Mount For Peterbilt
BESTFIT TRUCK PARTS
$2.46Radiator Mount Fits Peterbilt * Made Of Polyurethane* Replaces OEM # 07-02552, R307508, 656215* Sold Individually***High Quality Aftermarket Replacement Part (Not OEM)***$2.46 -
BESTfit Stainless Steel Constant Torque Hose Clamp 2.56 - 3.50 Inch - 2582-0048
BESTFIT TRUCK PARTS
$11.55Constant Torque ClampThis BESTfit Truck Parts clamp responds to constant temperature fluctuations by using larger, heavy-gauge, precision-formed springs to provide higher rates of band tension and adjustment for a more dependable seal. * High Quality...$11.55 -
Lined Hose Clamp 0.812 - 1.75 Inch Stainless Steel
BESTFIT TRUCK PARTS
$3.19SS Lined Hose Clamp * High Quality Lined Clamp* Made Of Stainless Steel * .812 - 1.75 Inch Range* Sold Individually* Warranty On Hose Clamps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...$3.19 -
Lined Hose Clamp 0.562 - 1.06 Inch Stainless Steel
BESTFIT TRUCK PARTS
$4.58SS Lined Hose Clamp * High Quality Lined Clamp* Made Of Stainless Steel * .562 - 1.06 Inch Range* Sold Individually* Warranty On Hose Clamps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...$4.58 -
Lined Hose Clamp 2.81 - 3.75 Inch Stainless Steel
BESTFIT TRUCK PARTS
$3.99SS Lined Hose Clamp * High Quality Lined Clamp* Made Of Stainless Steel * 2.81 - 3.75 Inch Range* Sold Individually* Warranty On Hose Clamps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...$3.99 -
Lined Hose Clamp 1.18 - 2.75 Inch Stainless Steel
BESTFIT TRUCK PARTS
$4.29SS Lined Hose Clamp * High Quality Lined Clamp* Made Of Stainless Steel * 1.18 - 2.75 Inch Range* Sold Individually* Warranty On Hose Clamps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...$4.29 -
On Sale
1 Inch EPDM Silicone Coolant Hose
BESTFIT TRUCK PARTS
Now: $6.71Was: $9.59Hose EPDM Silicone Coolant This high quality 1 inch silicone coolant EPDM hose is sold by the foot.* High Quality Coolant Hose* Made Of Silicone* 1 Inch ID* Sold By Foot* Warranty On Coolant Hose Against Defects In Workmanship & Material From Date Of...Now: $6.71Was: $9.59 -
3/4 Inch EPDM Rubber Coolant Hose
BESTFIT TRUCK PARTS
$8.79EPDM Rubber Heater Hose Sold By The Foot * High Quality Coolant Hose* Made Of Rubber* 3/4 ID * Sold By Foot* Warranty On Coolant Hose Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***$8.79 -
3.75 - 4.0625 Inch Heavy Duty T-Bolt Clamp With Spring
BESTFIT TRUCK PARTS
$8.63Clamp Heavy Duty T-Bolt 3.750-4.000 Inch Range * High Quality Clamp* Made Of Stainless Steel * For Charge Air Cooler Boot* 3.750 Thru 4.0625 Inches* Sold Individually* Warranty On Clamp Against Defects In Workmanship & Material From Date Of Purchase***...$8.63 -
6 Inch Rubber Hump Hose Replaces 1AAA27 For Peterbilt 378
AUTOMANN USA
$31.276 Inch Rubber Hump Hose Fits Peterbilt 378 * High Quality Rubber Hump Hose* 6 Inch ID* 6 Inch Length* Sold Individually* Warranty On Rubber Hump Hoses Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...$31.27 -
BESTfit Sanden Style Ear Mount AC Compressor W/ 8 Groove 119MM Pulley
BESTFIT TRUCK PARTS
$182.99BESTfit AC Compressor Sanden Style Ear Mount W/ 8 Groove 119MM PulleyThis high-quality A/C compressor features an ear mount and a Sanden-style design. It comes equipped with an 8-groove 119mm pulley for efficient operation. * High Quality A/C Compressor...$182.99 -
BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/Outlet
BESTFIT TRUCK PARTS
$622.99BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/OutletConstructed from robust Aluminized Steel, this aftermarket muffler ensures durability and longevity for your vehicle's exhaust system. It comes with mounting hardware...$622.99