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 Spring Roller Kit For Peterbilt 379 With Air Trac Suspension Hanger
BESTFIT TRUCK PARTS
$32.63BESTfit Spring Roller Kit With Locking Bolt, Roller Bushing, U-Bolt Washer, Lock Nut & Roller SpacerThe Spring Roller Kit designed for Peterbilt Air Trac Suspension systems is available as an aftermarket replacement part, not OEM. This kit includes...$32.63 -
Cab Leveling Linkage Kit, 4 1/8 Inch For Freightliner M2 106/112/Business Class
AUTOMANN USA
$18.99Cab Leveling Linkage Kit * High Quality Linkage Kit* 4.125 Inch C To C* Cab Leveling* Sold Individually* Warranty On Linkage Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)****...$18.99 -
Castellated Nut, 3/8 Inch
AUTOMANN USA
$2.033/8 Inch -24 Thread Castle Nut * High Quality Castellated Nut* 0.375 Inch Size* 13/32 Inch Thickness* TPI- 24* Sold Individually* Warranty On Castellated Nuts Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$2.03 -
Rebound Spring Pin 0.75 OD X 5.875 Inch For International, Blue Bird
AUTOMANN USA
$4.64Rebound Spring Pin Replaces 1362045 , 404956 , 206258R1 * High Quality Spring Pin * Dimensions:- 0.75 Inch Diameter- 5.875 Inch Length* Single Axle* Rebound Pin* Sold Individually * Warranty On Spring Pin S Against Defects In Workmanship & Material From...$4.64 -
On Sale
Leaf Spring Bushing Shim Washer 1 1/4 Inch I.D.
OPP - ORIGINAL PARTS PROGRAM
Now: $7.20Was: $10.29Leaf Spring Bushing Shim Washer W/ 1 1/4 Inch I.D. * High Quality Shim Washer* 1-.25 Inch ID* Made In USA* Sold Individually* Warranty On Shim Washers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...Now: $7.20Was: $10.29 -
Bump Stop For Steer Axle Spring Replaces 02-00184 For Peterbilt 359
ENERGY SUSPENSION
$15.80Spring Bump Stop for Steer Axle Fits PeterbiltPrevent metal to metal contact on your steer axle with this quality bump stop by Energy Suspension. It is constructed of a high-grade black Polyurethane with a patented Hyper-Flex Technology that increases...$15.80 -
BESTfit Hanger Wear Pad For International Rear Z 3.5 Inch Air Spring & Rear Corporate Suspensions
BESTFIT TRUCK PARTS
$13.86BESTfit Hanger Wear Pad Fits International * High Quality Hanger Wear Pad* Wear Pad* Hanger 3.5 Inch Wide* Rear Z 3.5 Inch * Air Spring * Rear Corporate 3.5 Inch Spring Suspension* Sold Individually* Warranty On Hanger Wear Pads Against Defects In...$13.86 -
BESTfit Premium Poly Bushing Replaces 90008265 For Kenworth Rear AG200, AG230, AG400 & AG460 Suspensions
BESTFIT TRUCK PARTS
$88.02BESTfit Bushing Fits Kenworth Rear AG200, AG230, AG400 & AG460 Suspensions * High Quality Poly Bushing* Rotational With High Articulation Notched Pin* Premium Poly* Airglide 200, 46K, Adz Series* Do Not Use With Aluminum Type T-Rods* Bushing (Type 1)...$88.02 -
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 featuring...$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* With Late...$93.99 -
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 Bushings*...$246.99