
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 15 Inch Fiberglass 1 Piece Modified Bumper W/ Tow & Vent Holes For International ProStar
BESTFIT TRUCK PARTS
$1,028.99BESTfit Fiberglass 15 Inch Modified Bumper W/ Tow & Vent Holes For International ProStar * Made Of High Quality Fiberglass* Rugged Fiberglass Construction* 15 Inches Tall * Stylish 1 Piece Modified Design * Replaces 2 And 3 Piece Original Bumper Covers*...$1,028.99 -
BESTfit 8 To 5 X 96 Inch Curve Turn Stack
BESTFIT TRUCK PARTS
$775.99BESTfit 8-5 X 96 Inch Turnout StackUpgrade your vehicle's exhaust system with our chrome-plated steel Exhaust Stack! Featuring a classic turnout style, this aftermarket replacement part boasts an 8 to 5-inch inner diameter for optimal performance. With a...$775.99 -
BESTfit AC Condenser 20 X 23.5 Inch For International 4100-4400, 5000-8000, TranStar & ProStar
BESTFIT TRUCK PARTS
$109.99BESTfit AC Condenser 20.00 Inch x 23.50 Inch For International 4100-4300-4400/5000-7000-8000/ProStar * High Quality AC Condenser* Core Size- 20 Inch Height- 23.5 Inch Width- 0.625 Inch Core Thickness* Sold Individually* Warranty On AC Condensers Against...$109.99 -
BESTfit Chrome Plastic Grille With Curved Bars Replaces 3612816C93 For International ProStar
BESTFIT TRUCK PARTS
$415.99BESTfit Chrome Plastic Grille Modified Design With Curved Bars For International ProStarAre you searching for the best chrome plated grille for your International ProStar? Elite Truck Accessorieshas what you need with this BESTfit grille that will add...$415.99 -
BESTfit 4 X 21 Inch Turbo Flex Connector Pipe W/ Flare, 5 & 4.65 Inch O.D. Replaces 3820024C3 For International ProStar
BESTFIT TRUCK PARTS
$784.99BESTfit 21 Inch Long DPF 4 Inch Flex Connector Turbo Pipe W/ 5 Inch O.D. FlareOur flex connectors are designed for durability and reliability, proudly made in the USA to ensure quality. Sold individually as aftermarket replacement parts, they offer a...$784.99 -
BESTfit 4 X 37 Inch 2 Bend Flare Flex Connector Turbo Pipe W/ 5 Inch O.D. Replaces 3811755C4 For International
BESTFIT TRUCK PARTS
$960.99BESTfit Stainless Steel 4 Flex Turbo Connector With Bend 5 Inch O.D.Our flex connectors are engineered for reliability and durability, ensuring optimal performance for your vehicle. Designed and manufactured in the USA, these connectors meet quality...$960.99 -
BESTfit Chrome 72 Inch West Coast Turnout Stack 5 Inch O.D.
BESTFIT TRUCK PARTS
$217.99BESTfit Chrome West Coast Turn Out Top Stack 72 Inch x 5 Inch O.D. * High Quality Stack* West Coast Turn Out* Made Of Chrome-Plated Steel* 5 Inch O.D. Straight End* 72 Inch Length* Mirror-Like Finish* Quality Triplex Nickel For Improved Adhesion And...$217.99 -
BESTfit DPF Flex Connector Replaces 3628113C5 For International Prostar With ISX Cummins Engine
BESTFIT TRUCK PARTS
$1,144.99BESTfit Flex Connector Fits InternationalOur aftermarket replacement Connector is tailored for use with ISX Cummins Engines, offering a reliable solution for your vehicle. Featuring dimensions of 4 inches Flange x 5 inches O.D. x 37 inches Overall...$1,144.99 -
BESTfit DPF Flex Connector For International Prostar With 13L Max Force Engine
BESTFIT TRUCK PARTS
$824.99BESTfit Flex Connector Fits InternationalOur aftermarket replacement Connector is designed to replace OEM part number 3826294C2, specifically for use with 13 Liter Max Force Engines. With dimensions of 4 inches Flange x 5 inches OD x 19 inches OAL, this...$824.99 -
BESTfit 8 - 5 O.D. X 60 Inch Chrome Miter Cut Top Exhaust Stack
BESTFIT TRUCK PARTS
$492.99BESTfit Miter Cut 60 Inch Exhaust Muffler TipEnhance your vehicle's exhaust system with our top-of-the-line Muffler, featuring a stylish miter cut top design. Constructed from durable chrome-plated material and proudly made in the USA, this muffler...$492.99 -
BESTfit Miter Exhaust Top Stack, 7 X 48 Inch Reduced To 5 Inch I.D.
BESTFIT TRUCK PARTS
$359.99BESTfit 7 X 48 Inch Reduced To 5 Inch I.D. Miter Top StackExplore our Miter Top Top Stack, designed to enhance your vehicle's exhaust system with style and performance. Crafted with precision, this stack measures 7 inches in diameter and 48 inches in...$359.99 -
BESTfit Air Bag W013586897 Double Convoluted Air Spring For Watson/Chalin, Ridewell Suspensions
BESTFIT TRUCK PARTS
$110.99BESTfit Double Convoluted Air Spring For Ridewell, Watson & Chalin SuspensionsIntroducing our Double Convoluted Air Spring, designed to meet your suspension needs with precision and reliability. Crafted with quality materials, this air bag boasts...$110.99