Semi-Truck Frame Chassis Parts
Need semi-truck frame chassis parts? Choose from high-strength frame rails, crossmembers, and reliable fifth wheel replacement parts to keep your rig solid. Enjoy a smooth ride with quality springs and shock absorbers. Ensure stable control with our durable control arms and steering linkages. Looking for axles or frame steps? We've got those too. Shop at 4 State Trucks!
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Brake Automatic Slack Adjuster 1.5-28 Spline 5.5 Inch Straight
BESTFIT TRUCK PARTS
$71.49Auto Slack Adjuster Merritor Style 5.5 Inch Straight Arm * High quality automatic adjuster* Type: Unhanded* Chamber size: 24, 30* Sold Individually* Warranty on slack adjuster against defects in workmanship & material from date of purchase*** High...$71.49 -
Trailer Axle Slack Adjuster 1.5-28 Spline 5.5 Inch Straight
BESTFIT TRUCK PARTS
$65.07Slack Adjuster * High quality Automatic Adjuster* 5.5 inch * Type: Trailer axle* Bracket type: plate and flat stud* 16.5 inch brake* Sold Individually* Warranty on slack adjuster against defects in workmanship & material from date of purchase*** High...$65.07 -
Shock Absorber 1.63 Inch Bore Replaces 66627, 5045
GABRIEL
$49.99Shock AbsorberThe Gabriel Fleetline Trailer Shock Absorber is designed to fit various trailer suspension systems, including Hendrickson, Neway Holland, Reyco, and Ridewell. It is compatible with a range of models, providing reliable performance with a...$49.99 -
Shock Absorber 1.63 Inch Bore Replaces 85919, 65503
GABRIEL
$79.55Shock Absorber * High Quality Absorber * 1.63 Inch Bore* Collapsed Length 14.23 Inches* Extended Length 22.48 Inches* Sleeve Mounting* Sold Individually* Warranty On Shock Absorber Against Defects In Workmanship & Material From Date Of Purchase*** High...$79.55 -
Gas SLX Adjustable Shock Absorber For Peterbilt And Volvo
AUTOMANN USA
$85.67Gas SLX Adjustable Shock Absorber Fits Peterbilt And Volvo * High Quality Shock Absorber* Fits 12 Gauge Front Axle Air Ride Kit* Replaces OEM ACHF113, TDA89408, V8056892* Sold Individually* Warranty On Shock Absorber Against Defects In Workmanship &...$85.67 -
Air Tank Replaces 3513137C1 For International
BESTFIT TRUCK PARTS
$855.99Air Tank Fits InternationalThis high quality air tank fits International models is 40 inches from seam to seam and 43 inches overall length. The tank comes with a 1 year warranty. * High Quality Steel Air Tank* 43.000 Inches Long (Overall)* 40.000 Inches...$855.99 -
Steel Air Tank Primary, 6.437 Gallon Replaces A12-11924-002 For Freightliner
BESTFIT TRUCK PARTS
$791.99Primary Steel Air Tank For Freightliner Applications * Steel Primary Air Tank * Made Of Steel* Dimensions:- 29.500 Inches Length- 09.250 Inches Diameter- 1740 Cubic Inches- 6.437 Gallons* Ports:- 0.500 NPT x 2 Per End- 0.250 NPT Drain Port x 1 End * Sold...$791.99 -
Primary Air Tank, Replaces 12-15475-000 For Freightliner
BESTFIT TRUCK PARTS
$677.99Primary Air Tank * High Quality Air Tank* Sold Individually* Warranty On Air Tanks Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)**** Replaces OE Number 12-15475-000* Replaces OE...$677.99 -
Air Bag For Steer Axle Kit
AUTOMANN USA
$143.99Air Bag * High Quality Air Bag* For Steer Axle Kits* Sold Individually* Warranty On Air Bag Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***$143.99 -
Type 30 Brake Diaphragm - 8 Inch Diameter
TPHD
$12.31Replacement 8 Inch Brake Diaphragm - Type 30 * High Quality Brake Diaphragm* Type 30* 7.875 Inch Outside Diameter* 1.505 Inch Height* Sold Individually* Warranty On Brake Diaphragms Against Defects In Workmanship & Material From Date Of Purchase*** High...$12.31 -
Air Bag Replaces W01-358-9422 For Kenworth Airglide 100
AFTERMARKET
$112.99Air Bag Fits Kenworth * High Quality Air Bag* Sold Individually* Warranty On Air Bag Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)**** Replaces OEM # K303-6, K303-14, K303-15$112.99 -
BESTfit Air Spring For Hendrickson Trailer With Reyco Suspension
BESTFIT TRUCK PARTS
$161.99Trailer Suspension Air Bag W01-358-6927 Replacement * High Quality Air Spring * Double Convoluted Air Spring For Reyco Air Ride* Air Bag Specifications:- Load at 80 PSI 2440 LBS- Load at 100 PSI 3050 LBS- Design Height 10 Inches- Top Plate Hole, Stud Qty...$161.99