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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BESTfit 24 Inch Torque Rod For Kenworth W900 With AG100 Airglide Suspension
BESTFIT TRUCK PARTS
$182.99BESTfit Torque Rod - Replaces 3581270C1, 358013441, K195-376, Introducing the Torque Rod designed for Airglide Suspension systems, an essential component for maintaining stability and control. With a length of 24 inches from center to center and...$182.99 -
Cast Spring Hanger With Bushing Rear Of Steer Axle For Freightliner
AUTOMANN USA
$58.13Steer Axle Rear Spring Hanger With Spring Pin Bushing Fits FLC, FLD, Classic And FLT Freightliner 1980-2010 * High Quality Cast Spring Hanger* For Rear Of Steer Axle* For 4 Inch Wide Spring* 1.250 Inch Pin Diameter* Includes 1 TNK Spring Pin Bushing...$58.13 -
CSM 7 X 30.5 Inch Aluminum Lower Step With Angles & Early Style Tread For Peterbilt 378, 379 & 389
CHROME SHOP MAFIA
$93.99Aluminum Replacement Lower Step With Brackets For Peterbilt 378, 379 & 389 By Chrome Shop Mafia * High Quality Lower Step* Made Of Aluminum* Dimension - 30.50 Inch Length - 7 Inch Width - 2 Inch Height* Mounting Angles Extend 17 Inches From Step*...$93.99 -
Poly Lower Rear Fairing Bushing For Kenworth T660
AUTOMANN USA
$54.05Kenworth Poly Lower Rear Mount Bushing * High Quality Mount Bushing* Lower Rear Fairing * View 1 Dimensions - 2.218 Inch OD - 4.218 Inch Length * View 2 Dimensions - 2.046 Inch ID - 3.453 Inch OD* Sold Individually * Warranty On Mount Bushing...$54.05 -
Steer Leaf Spring Bushing Kit For Kenworth - Converts Silent Block To Greaseable Threaded Pin
AUTOMANN USA
$246.99Bushing Kit Includes 6 Threaded Pins (MTB178) & 6 Bushings (M5449) * High Quality Bushing Kit* For Steer Leaf Spring* Kenworth Models* This Kit Converts From Silent Blocks To A Greasable Threaded Pin And Bushing* Includes - 6 Threaded Pins - 6...$246.99 -
BESTfit 1.25 ID, 1.375 Inch Diameter X 4 Inch OAL Spring Pin Bushing Replaces 681-322-02-50 For Freightliner FLC112
BESTFIT TRUCK PARTS
$6.89BESTfit 4 Inch Spring Pin For Freightliner FLC112 * High Quality Spring Pin* 4 Inch Oal * 1.375 Inch Dia * 1.125 Inch Id* Sold Individually* Warranty On Spring Pins Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$6.89 -
CSM SS Air Line Box W/ Emergency & Service Airline Cutouts
CHROME SHOP MAFIA
$330.99Chrome Shop Mafia Air Line Box With Cutouts for 2 Electric Plug and 2 Air Line Connections By Chrome Shop MafiaProtect your air line connections with this highly durable stainless steel air line box. Measuring 32 inches long, it is pre-cut for emergency...$330.99 -
Poly Upper Front Fairing Bushing For Kenworth T660 2008 -2017
AUTOMANN USA
$24.47Kenworth Poly Upper Front Mount Bushing * High Quality Fairing Bushing* Dimensions - 1- 2.671 Inch Length - 2.406 Inch O.D.* View - 2- 2.00 Inch I.D. - 2.968 Inch O.D.* Sold Individually* Warranty On Fairing Bushings Against Defects In Workmanship...$24.47 -
6.156 Inch Bottom Wedge W/ 4 Degree Angle For Sterling Leaf Spring
AUTOMANN USA
$21.776.156 Inch Bottom Wedge W/ 4 Degree Angle * High Quality Bottom Wedge* 6.156 Inch Length* 4 Degree Angle* Used With Leaf Spring * Made In USA* Sold Individually * Warranty On Bottom Wedges Against Defects In Workmanship & Material From Date Of...$21.77 -
4 X 6 Inch 4 Degree Shim Wedge For Kenworth Steer Axle Spring
AUTOMANN USA
$25.804 Degree Shim Wedge For Kenworth Steer Axle Spring * High Quality Shim Wedge* Type 1* Material Aluminum* Width 4.000 Inch* Degree 4* Length 6.000 Inch* Sold Individually* Warranty On Shim Wedges Against Defects In Workmanship & Material From Date Of...$25.80 -
Air Bag Replaces 2501300C1 For International 9900I Cab
AUTOMANN USA
$32.63Air Bag Fits International 9900I Cab * High Quality Cab Air Bag* For Cab On International* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM)****** Replaces OEM Number(s) 2501300C1$32.63 -
BESTfit Bump Stop Replaces 01-52865 For Peterbilt New Low Air Leaf Suspensions
BESTFIT TRUCK PARTS
$68.64BESTfit Frame-Mount Bump Stop Fits Peterbilt New Low Air Leaf Suspensions * High Quality Bumper Stop* Mounts To Frame* Stops Suspension Spring Travel* Sold Individually* Warranty On Bumper Stop Against Defects In Workmanship & Material From...$68.64