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 3/4 X 4 X 10.25 Inch Semi Round U-Bolt Kit Replaces 15983092, 15983095 & 15983097 For Kenworth
BESTFIT TRUCK PARTS
$39.77BESTfit U Bolt Kit - Replaces 453895C1, 465916C1, 465916C91, 201375100 & 02-01375-100 * High Quality U Bolt Kit* U Bolt Type Semi-Round Bend* Grade 8* U Bolt Diameter 3/4 Inch* Width 4.000 Inch* Length 10.250 Inch* Sold As Kit* Warranty On U Bolt Kits...$39.77 -
BESTfit Steel Spring Hanger Replaces 01-46785M001 & 01-49563M001 For Peterbilt Low Air Leaf Suspension
BESTFIT TRUCK PARTS
$614.99BESTfit Steel Spring Hanger Fits Peterbilt Low Air Leaf Suspension * High Quality Spring Hanger* Cast Steel* Low Mount Air Leaf* Front Of Rear* 3.930 Inch Center To Center* 3.143 Inch* 0.645 Inch* 2.623 Inch* 0.500 Inch* 3.790 Inch* Sold Individually*...$614.99 -
BESTfit 3/4 X 4 X 10.25 Inch U-Bolt Kit For Peterbilt
BESTFIT TRUCK PARTS
$39.77BESTfit U Bolt Kit - Replaces 15983092, 15983095, 15983097, 453895C1, 465916C1, 465916C91 & 201375100 * High Quality U Bolt Kit* U Bolt Type Semi-Round Bend* Grade 8* U Bolt Diameter 3/4 Inch* Width 4.000 Inch* Length 10.250 Inch* Sold As Kit* Warranty...$39.77 -
BESTfit Aluminum Rear Suspension Hanger Replaces C11-6089 For Kenworth AG400L
BESTFIT TRUCK PARTS
$352.99BESTfit Aluminum Front Of Rear Suspension Hanger Fits Kenworth AG400L * High Quality Hanger* Aluminum* Front Of Rear* Sold Individually* Warranty On Hanger Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket...$352.99 -
BESTfit 6.32 Inch OAL X 1.9 Inch Steel Side Bar With 1 Inch Pin Hole Replaces B20-1007 For Kenworth
BESTFIT TRUCK PARTS
$50.48BESTfit 4 Inch C-C X 1.262 Inch Thick Steel Side Bar Fits Kenworth K100, T300, T450, T600, T800 & W900 * High Quality Side Bar* Steel* 6.32 Inch Overall Length* 4 Inch Center To Center* 1.9 Inch Wide* 1 Inch Pin Hole* 1.262 Inch Thick* Sold Individually*...$50.48 -
BESTfit 3/4 X 4 X 6.75 Inch Square U-Bolt Kit For Peterbilt Rear Air Leaf Suspension
BESTFIT TRUCK PARTS
$34.87BESTfit Square U-Bolt Kit Fits Peterbilt Rear Air Leaf - Includes 4 Washers & 4 Deep Nuts * High Quality U Bolt Kit* Square U-Bolt* 3/4 X 4 X 6.75 Inch* Kit Includes:- 2 U-Bolts- 4 - 3/4 Inch Washers- 4 - 3/4 Inch Deep Nuts* Sold As Kit* Warranty On U...$34.87 -
BESTfit 6.32 Inch OAL X 1.9 Inch Wide Steel Side Bar Replaces B2-1007 For Peterbilt COE & Conventional
BESTFIT TRUCK PARTS
$49.36BESTfit 4 Inch Center To Center Side Bar With 1 Inch Pin Hole Fits Peterbilt COE & Conventional 1982-Current * High Quality Side Bar* 6.32 Inch Overall Length* 1.9 Inch Width* 1 Inch Pin Hole* 4 Inch Center To Center* 1.262 Inch Thick* Sold Individually*...$49.36 -
BESTfit Trunnion Hanger Mount Kit Does 1 MK16913 Hanger For Kenworth AG100 Airglide 8 Bag Suspension
BESTFIT TRUCK PARTS
$227.99BESTfit Trunnion Hanger Mount Kit Fits Kenworth AG100 Airglide 8 Bag Suspension * High Quality Hanger Mount Kit* Kit Contains- 4- 16 MM 2 X 120 MM Bolts- 3- 16 MM 2 X 180 MM Bolts- 2- 20 MM 2.5 X 260 MM Bolts- 2 - 16 MM 2 X 160MM Bolts- 18 - 3/4 Inch...$227.99 -
BESTfit Aluminum Stabilizer Bracket For Center Trunnion For Kenworth AG100 Airglide 8 Bag Suspension
BESTFIT TRUCK PARTS
$357.99BESTfit Stabilizer Bracket For Center Trunnion Fits Kenworth AG100 Airglide - Replaces K197-2943 & K197-5168 * High Quality Stabilizer Bracket* 9.500 Inch Height* 3.875 Inch Bottom * 3.875 Inch Top* 2.500 Inch Top Center To Center* 3.000 Inch Bottom...$357.99 -
BESTfit Height Control Valve For International, Kenworth, Peterbilt, Mack, Volvo
BESTFIT TRUCK PARTS
$58.44BESTfit Height Control Valve - Replaces 171.H00600POEIntroducing the Hadley HCV Valve, our quality height control valve designed for superior performance. Featuring integral pressure NC dump, high flow capacity, and a short delay, this valve ensures...$58.44 -
BESTfit 22.125 Inch Sealed Torque Rod For Mack & Volvo
BESTFIT TRUCK PARTS
$157.99BESTfit Sealed Torque Rod Fits Mack And VolvoLooking for a reliable replacement for your torque rod? Our Sealed Torque Rod is perfect for Mack Maxlite 40 and 40EZ Air Suspensions, as well as Volvo Air Suspensions. With a length of 22.125 inches C to C...$157.99 -
BESTfit 12.750 Inch x 1.750 Inch Strap Suspension Travel
BESTFIT TRUCK PARTS
$29.15BESTfit Strap Suspension TravelEnhance the stability of your Watson & Chalin Lift Axles with our durable Strap, designed to exact specifications to ensure a perfect fit. Measuring 12.750 inches by 1.750 inches, this quality strap is crafted for...$29.15