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 Air Bag Fits PACCAR Flex Air & Kenworth AG380 Suspensions - Replaces W01-358-8813
BESTFIT TRUCK PARTS
$198.99BESTfit Air Bag Fits PACCAR Flex Air & Kenworth AG380 Suspensions * High Quality Air Bag* Type Rolling Lobe* Load (Lbs.) At 80 PSI 5710* Load (Lbs.) At 100 PSI 7160* Natural Freq. (Cpm) 71* Design Height Inch 11.5* Bottom Plate Type Plastic* Top Plate...$198.99 -
BESTfit Torque Rod Replaces 44694, 44694000 & 4694-000L For Kenworth
BESTFIT TRUCK PARTS
$133.99BESTfit Torque Rod - Replaces 1693060C1, 350330088, 35033201, 8079894 * High Quality Torque Rod* Non-Rebushable Ends* Shaft Diameter (A) 1-1/4* Side A Straddle* Side A Bushing Non-Rebushable* Side A Angle 0* Side B Straddle* Side B Bushing...$133.99 -
BESTfit 7.406 Inch OAL Premium Poly Bushing For Rear AG210L & AG400L Air Suspensions
BESTFIT TRUCK PARTS
$62.21BESTfit 5.688 Inch Center To Center Bushing Fits KenworthUpgrade your AG210L and AG400L air suspension systems with our premium Poly Bushing kit, meticulously engineered for superior performance and durability. Featuring a Silent Block design combined...$62.21 -
BESTfit Leveling Valve Neway Replacement With 1 Suspension Port For Kenworth
BESTFIT TRUCK PARTS
$80.37BESTfit Suspension Height Leveling Valve * High Quality Leveling Valve* Controlled Response Cr Hcv* With 1 Suspension Port* 1/8 Npt* Valve Only* Cr Type Without Dump* With 1/4 In Fittings* Sold Individually* Warranty On Leveling Valves Against Defects In...$80.37 -
BESTfit Torque Arm Bushing Replaces 44694000, 4694-000L & 1693060C1 For Kenworth
BESTFIT TRUCK PARTS
$47.62BESTfit Torque Arm Bushing - Replaces 350330088, 35033201 & 8079894 * High Quality Torque Arm Bushing* 4.375 Inch Center To Center Bolt Holes* Sold Individually* Warranty On Torque Arm Bushings Against Defects In Workmanship & Material From Date Of...$47.62 -
BESTfit 1.87 X 4.375 Inch Torque Rod Bushing For Kenworth Rear AG380 Suspension
BESTFIT TRUCK PARTS
$38.65BESTfit Torque Rod Bushing - Replaces 47961, 47691000, 47691000L, A1611944800, E5275 & 321-223 * High Quality Torque Rod Bushing* 1.870 Inch* 4.375 Inch Center To Center* .640 Inch* Sold Individually* Warranty On Torque Rod Bushings Against Defects In...$38.65 -
BESTfit 1.75 X 6.6882 Inch Silent Block Pin Replaces 52375 & B65-6005 For Kenworth Front AG130 Suspension
BESTFIT TRUCK PARTS
$44.05BESTfit 5.4375 Inch Center To Center Silent Block Pin For Kenworth C500, K100, T600 & T800 * High Quality Silent Block* Bushing (Type 1) Silent Block* Bushing (Type 2) Bolt Type* Sleeve Type High Confinement* SRI RB328* Bushing I.D. (A) 1.063 Inch*...$44.05 -
BESTfit 1.75 X 7.5 Inch Silent Block Pin For Kenworth With M1813 Hanger
BESTFIT TRUCK PARTS
$41.81BESTfit 6.312 Inch Center To Center Silent Block Pin * High Quality Silent Block* Bushing (Type 1) Silent Block* Bushing (Type 2) Bolt Type* Sleeve Type High Confinement* SRI RB295* Bushing I.D. (A) 1.063 Inch* Bushing O.D. (B) 1.750 Inch* Overall Length...$41.81 -
BESTfit 3/4 X 4 X 8.875 Inch Square U-Bolt Kit Replaces 680-322-07-25 & K241-309 For Kenworth
BESTFIT TRUCK PARTS
$44.05BESTfit Square U-Bolt Kit Fits Kenworth C500, K100, T600 & T800 * High Quality U Bolt Kit* U Bolt Type Square Bend* Grade 8* U Bolt Diameter 3/4 Inch* Width 4.000 Inch* Length 8.875 Inch* Sold As Kit* Warranty On U Bolt Kits Against Defects In...$44.05 -
BESTfit 6.859 Inch Spring Pin With Double Lock For Kenworth With 4 Inch Wide Springs
BESTFIT TRUCK PARTS
$21.51BESTfit 5.3125 Inch Center To Center 1.25 Inch Diameter Spring Pin With Double Lock * High Quality Spring Pin* Front And Rear Of Front* Steering Axle* 1.250 Inch Width* 5.313 Inch Center To Center* 6.859 Inch Length* Sold Individually* Warranty On Spring...$21.51 -
BESTfit 1 X 3.5 X 15.5 Inch Semi-Round U-Bolt Kit Replaces 03-05110-155 For Peterbilt Low Air Leaf Suspension
BESTFIT TRUCK PARTS
$110.99BESTfit Semi-Round U-Bolt Kit For Peterbilt Low Air Leaf Suspension * High Quality U Bolt Kit* U Bolt Type Flat Semi-Round Bend* Grade 8* U Bolt Diameter 1 Inch* Width 3.500 Inch* Length 15.500 Inch* Sold As Kit* Warranty On U Bolt Kits Against Defects...$110.99 -
BESTfit 3/4 X 3.5 X 5.125 Inch Square U-Bolt Replaces 03-00425, 03-00581 & 03-05105 For Peterbilt Low Air Leaf Suspension
BESTFIT TRUCK PARTS
$24.05BESTfit Square U-Bolt Fits Peterbilt Low Air Leaf Suspension * High Quality U Bolt Kit* U Bolt Type Square Bend* Grade 8* U Bolt Diameter 3/4 Inch* Width 3.500 Inch* Length 5.125 Inch* Sold As Kit* Warranty On U Bolt Kits Against Defects In Workmanship &...$24.05