
International ProStar
Here at 4 State Trucks, we carry the best International Prostar parts in the industry to deliver a top-quality selection of aftermarket and custom semi truck parts. When you drive an International, you'll enjoy the combination of power and strength. With help from 4 State Trucks, you can customize the interior and exterior of your truck to make it your own. Choose from the best bumpers, lighting, toolboxes, truck horns, grilles, exhaust pipes, and much more designed to fit your truck.
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BESTfit Oil Temperature Sender For Differential, Engine & Transmission For Peterbilt
BESTFIT TRUCK PARTS
$62.21BESTfit Oil Temperature Sender For Differential, Engine & Transmission Fits Peterbilt * High Quality Oil Temperature Sender* .50 Pipe Thread* Single Terminal Connector* Brass Construction* Resistance Curve Specific To Peterbilt* For Differential, Engine...$62.21 -
BESTfit 12 Foot Pyrometer Wire Harness
BESTFIT TRUCK PARTS
$42.12BESTfit 12 Foot Pyrometer Wire HarnessIntroducing the Pyrometer Harness, a quality aftermarket replacement part designed to connect your gauge to the stringer with ease and reliability. This harness features a generous length of 12 feet, allowing for...$42.12 -
BESTfit 2.5 To 2 Inch X 6 Inch Silicone Coolant Hose
BESTFIT TRUCK PARTS
$31.61BESTfit 2.5 To 2 Inch X 6 Inch Silicone Coolant HoseIntroducing our Silicone Coolant Hose, designed for versatile use with a diameter ranging from 2.5 inches to 2 inches and a length of 6 inches. This durable hose can be employed for various...$31.61 -
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 -
7 Inch Full Circle Clamp For American Eagle Stacks
AMERICAN EAGLE EXHAUST
$92.30American Eagle 7 Inch Full Circle Exhaust ClampEnhance your vehicle's performance with our Full Circle Clamp, measuring 7 inches in diameter. Sold individually, this aftermarket replacement part ensures a secure hold for various components. Please note...$92.30 -
BESTfit 7 Inch Chrome-Plated Steel Clamp - Replaces 50BJ-700SCP
BESTFIT TRUCK PARTS
$99.99BESTfit Stainless Steel Wide Clamp - Replaces 50BJ-700SCPUpgrade your exhaust system effortlessly with our Chrome-Plated Steel Exhaust Clamp. Crafted from durable materials, this clamp features a wide 2-bolt mount universal design that eliminates the...$99.99 -
BESTfit 6 Inch Chrome-Plated Steel Clamp - Replaces 50BJ-600SCP
BESTFIT TRUCK PARTS
$96.99BESTfit Chrome- Plated Steel Wide Clamp - Replaces 50BJ-600SCPUpgrade your exhaust system effortlessly with our Chrome-Plated Steel Exhaust Clamp. Designed with convenience in mind, this wide 2-bolt mount universal clamp requires no bracket for...$96.99 -
BESTfit Convex Mirror Replacement For International ProStar Driver Or Passenger Side
BESTFIT TRUCK PARTS
$44.16BESTfit Driver & Passenger Chrome Convex Replacement Mirror Fits International ProStarUpgrade your vehicle's visibility with our convex mirror, suitable for both driver and passenger sides. Designed as a replacement hood mirror, this aftermarket part...$44.16 -
BESTfit 8 X 30 Inch OAL Exhaust Muffler With 5 Inch I.D. Inlet & Outlet
BESTFIT TRUCK PARTS
$145.99BESTfit Muffler 8 Inch Diameter * High Quality Muffler* Aluminized* Dimensions- 8 Inch Diameter- 5 Inch I.D. Inlet/Outlet- 24 Inch Length Body- 30 Inch Length Overall* Sold Individually* Warranty On Mufflers Against Defects In Workmanship & Material From...$145.99 -
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 Suspension Air Bag - Replaces W01-358-9644
BESTFIT TRUCK PARTS
$157.99BESTfit Suspension Air BagIntroducing our suspension air bag, boasting impressive load capacities at both 80 and 100 PSI, along with a compact design for your truck's needs. With a CPM of 71 and a design height of 13 inches, this air bag provides...$157.99 -
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