Western Star 4900 Constellation Trucks
Discover Western Star 4900 Constellation Truck parts at 4 State Trucks for a fuel-efficient and safe ride. Upgrade with custom bumpers, exhaust systems, and premium seating. Make your truck stand out with our selection of practical and stylish gear. Hit the open road in style and comfort
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Aluminized Steel Flared Exhaust Adapter 5.72 OD X 6.25 Inch - 41689 For Cummins 855CI W/T50 Turbo
AUTOMANN USA
$23.55Flared Exhaust Adapter Replaces 41689 * High Quality Exhaust Adapter* Aluminized Steel* Dimensions:- 5.00 Inch OD- 5.72 Inch Flange OD- 6.25 Inch Length* Sold Individually* Warranty On Exhaust Adapters Against Defects In Workmanship & Material From Date...$23.55 -
Galvanized Steel Exhaust Resonator 5 Inch Inlet With 9 Inch Body
AUTOMANN USA
$131.999 Inch Diameter Exhaust Resonator With 5 Inch ID Inlet and OutletInstall the resonator to the exhaust system of your truck before the muffler to help reduce the noise of the engine. * High Quality Exhaust Resonator* Made Of Galvanized Steel* 5 Inch ID...$131.99 -
5 Inch OD Exhaust Y-Pipe Steel For Western Star 4900 EX, 4964 Constellation
BESTFIT TRUCK PARTS
$432.99Steel Exhaust Y-Pipe W/ 5 Inch OD * High Quality Pipes* Made Of Steel* 5 Inch * Fits Over The Frame Exhaust And Air Ride Cab* Sold Individually* Made In USA***High Quality Aftermarket Replacement Part (Not OEM)**** Replaces Oe Number 23529-3542$432.99 -
Air Drier - Replaces Bendix AD-IS 801266BXW
AUTOMANN USA
$229.99Replacement Air Drier * High Quality Air Dryer* Includes - (1) D2A Type Governor- (1) ST4 Type Safety Valve - (1) ADIS/ADIP Type Purge Valve - (1) ADSP ADIS Wabco Type Catridge Kit- (1) Heater/Thermostat Kit * AD-IS Type* Primary Port 1/4in NPT, Opening...$229.99 -
Mechanical Fuel Pressure Gauge 5-100 PSI
ISSPRO
$65.27100 PSI Mechanical Fuel Pressure GaugeFind aftermarket Isspro mechanical fuel pressure gauges with a range of 5-100 PSI for your big rig at 4 State Trucks. This gauge has a black face with white numbers, fits in a 2-1/16 inch hole, and comes with a...$65.27 -
Add On Door Side Arm Rest W/ Black Vinyl Padding
GRAND GENERAL
$12.51Black Vinyl Padded Armrest With Aluminum Plate For MountingImprove your driving comfort with this specially designed add-on door armrest! Enjoy around 2 inches of thick, heavy-duty padding for extra support on those long-haul journeys. * High Quality...$12.51 -
Fuel Tank Safety Vent With Pressure & Thermal Relief Features, 1/4 In. - 18 PTF
VELVAC
$37.99Fuel Tank Safety Vent * High Quality Tank Safety Vent* With Pressure And Thermal Relief Features* 1/4 Inch x 18 Inch* Barb Size (I.D. Hose) : N/A Inch* Thread Size : 1/4 Inch-18 PTF* Features Patented Anti-Spill Protection* Vents Meet All Applicable DOT...$37.99 -
Steering Stabilizer Kit
TWELVE GAUGE
$301.9912 Gauge Steering Stabilizer Kit * High Quality Steering Stabilizer Kit* 26.6 Inch Extended Length * 16 Inch Compressed Length* Travel 10.6 Inch* Sold Individually* Warranty On Steering Stabilizer Kits Against Defects In Workmanship & Material From Date...$301.99 -
Stainless Steel Fender Guard W/ Curved End & Headlight Accent For Western Star 4964 - Pair
UNITED PACIFIC
$410.99SS Fender Guard W/ Curved End & Headlight Trim * High Quality Fender Guard* Made Of Stainless Steel* With Curved End And Headlight Accent * Mounts On The Fender Below The Headlight* Die Stamped To Match The Curve Of The Fender Section* Design With...$410.99 -
Stainless Steel 5 X 7 Inch Retaining Ring
UNITED PACIFIC
$8.25SS 5 X 7 Inch Retaining Ring W/ 4 Screw Tabs * High Quality Retaining Ring* Made Of 304 Stainless Steel* 5 Inch X 7 Inch* With 4 Screw Tabs* Sold Individually* Warranty On Retaining Rings Against Defects In Workmanship & Material From Date Of Purchase***...$8.25 -
BESTfit Aluminum Frame Step Mill Finish
BESTFIT TRUCK PARTS
$109.99BESTfit Mill Finish Aluminum Frame StepUpgrade your vehicle with our Aluminum Frame Step, designed for durability and style. With a sleek mill finish, this frame step adds a touch of elegance to your ride. Measuring 13.75 inches in width and 27.25 inches...$109.99 -
Heavy Duty Toggle Switch, 30A At 12V, 4 Screw Terminals For 1/2 Inch Hole
AFTERMARKET
$13.25Heavy Duty Toggle Switch, Rated For 30A At 12V, Fits 1/2 Inch Hole * High Quality Toggle Switch* Heavy-Duty* Rated 30 AMP At 12V DPST* 4 Screw Terminals* Fits 1/2 Inch Hole* On/Off* Sold Individually* Warranty On Toggle Switches Against Defects In...$13.25