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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BESTfit 4 X 6 Inch Heavy Duty Gray Silicone Hump Hose For Charge Air Coolers
BESTFIT TRUCK PARTS
$72.99BESTfit 4 X 6 Inch Heavy Duty Gray Silicone Hump HoseIntroducing our Silicone Hump Hose, perfect for connecting the hot side to the charge air cooler. Made of durable silicone, this hose measures 4 inches by 4 inches by 6 inches and is capable of...$72.99 -
On Sale
BESTfit 4.5 X 6 Inch Heavy Duty Gray Silicone Hump Hose For Charge Air Coolers
BESTFIT TRUCK PARTS
Now: $56.69Was: $80.99BESTfit 4.5 X 6 Inch Heavy Duty Gray Silicone Hump HoseIntroducing our Silicone Hump Hose, specially designed for hot side hookup to the charge air cooler. Constructed from durable silicone, this hose measures 4.5 inches by 4.5 inches by 6 inches and can...Now: $56.69Was: $80.99 -
BESTfit AC Condenser 12 X 20 Inch
BESTFIT TRUCK PARTS
$184.99BESTfit 12 X 20 Inch AC Condenser * High Quality AC Condenser* 12.00 Height X 20.00 Wide* Sold Individually* Made In USA* Warranty On AC Condensers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...$184.99 -
BESTfit AC Compressor 12 Volt Ear Mount With 2 Groove Clutch For Peterbilt & Freightliner
BESTFIT TRUCK PARTS
$189.99BESTfit 12 Volt AC Compressor 5.20 Inch Diameter Ear Mount Type With 2 Grooves Fits Peterbilt/Freightliner * High Quality AC Compressor* 2 Wire Male Spade Connector* 2 Grooves* R134A Refrigerant* 12 Volt* Ear Mount Type* 1.56 Inch Gauge Line* 5.20 Inch...$189.99 -
BESTfit AC Compressor Clutch 12 Volt York Style With 1 Wire
BESTFIT TRUCK PARTS
$165.99BESTfit AC Clutch York Style 6 Inch Diameter * High Quality AC Clutch* York Style* 6 Inch Diameter* A1 Groove* 1 Wire* 12 Volt* Key Shaft* 3 Inch MD* Sold Individually* Warranty On AC Clutches Against Defects In Workmanship & Material From Date Of...$165.99 -
BESTfit Remote Mount Radiator Surge Tank 8.25 X 14.50 Inch For Peterbilt 378 & 379
BESTFIT TRUCK PARTS
$478.99BESTfit 8.25 X 14.50 Inch Remote Mount Radiator Surge Tank Fits Peterbilt 378 & 379 * Made Of High Quality Steel* Corrosion Resistant Brass Fill Neck* Mounts On Passenger Side Of Firewall* Includes* Dimensions- 8.25 Inch Height- 14.50 Inch Length* Sold...$478.99 -
BESTfit AC Compressor With 2 Groove Clutch Direct Mount For Freightliner, Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$204.99BESTfit Direct Mount AC Compressor With Clutch Fits Freightliner/Kenworth/Peterbilt * High Quality AC Compressor With Clutch* 2 Grooves* 2 Wire Male Spade Connectors* 12 Volt* Direct Replacement* JD Head* Port Size 0.75 And 0.875* Sold Individually*...$204.99 -
BESTfit AC Compressor FS6 Assembly Replaces E6HZ-19703A
BESTFIT TRUCK PARTS
$264.99BESTfit AC Compressor Assembly Replaces E6HZ-19703A * High Quality Compressor Assembly* Factory Installed A/C* Sold Individually* Warranty On AC Compressors Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$264.99 -
BESTfit Removable Replacement Radiator Surge Tank For Peterbilt 357, 375, 377, 378, 379, 385
BESTFIT TRUCK PARTS
$311.99BESTfit Peterbilt Removable Replacement Radiator Surge Tank * High Quality Surge Tank Replacement* For Radiator (01-070225)* Made In USA* Sold Individually * Warranty On Surge Tank Replacements Against Defects In Workmanship & Material From Date Of...$311.99 -
BESTfit Radiator Tank Upper W/ Metal Top For Peterbilt 378, 379, 386, 387
BESTFIT TRUCK PARTS
$179.99BESTfit Peterbilt Radiator Tank Upper W/ Metal Top, 37 X 6.5 Inch * High Quality Radiator Tank* Made Of Metal* 37.5 Inches Length * 6.5 Inches Width* Bolt Holes * 3 Inch Od Hose Connection On Driver Side* 0.250 Inch NPT Flange On Passenger Side At 3.00...$179.99 -
BESTfit Coolant Flex Hose Heavy Duty Silicone 2.5 ID X 36 Inch
BESTFIT TRUCK PARTS
$443.99BESTfit 2.50 ID X 36 Inch Heavy Duty Silicone Coolant Flex HoseLooking for a good coolant hose? Our silicone coolant hose is strong and flexible. It's 2.50 inches wide inside and 2.92 inches wide outside, and it's 36 inches long. It can bend up to 6...$443.99 -
On Sale
BESTfit 4 Inch Heavy Duty T-Bolt Charge Air Cooler Clamp Without Spring
BESTFIT TRUCK PARTS
Now: $21.41Was: $30.59BESTfit Heavy Duty T-Bolt For Charge Air CoolerIntroducing our Stainless Steel Clamp designed specifically for Charge Air Cooler applications. This durable clamp is 4 inches in size and ensures a secure fit for your cooling system components. Sold...Now: $21.41Was: $30.59