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 12 Degree Axle Saddle For Front Drive Axle Replaces 3548299C1 For International IROS Corporate Air Ride
BESTFIT TRUCK PARTS
$53.03BESTfit Front Of Rear Air Beam Axle Seat Fits International * High Quality Air Beam Axle Seat* 4.750 Inch* 1.825 Inch* 1.532 Inch* 3.000 Inch* 12 Degree Pinion* Sold Individually* Warranty On Air Beam Axle Seat Against Defects In Workmanship & Material...$53.03 -
BESTfit Axle Spacer Replaces 3500952C1 For International 9200, 9400, 9900, LoneStar, PayStar, ProStar
BESTFIT TRUCK PARTS
$178.99BESTfit Axle Spacer Uses 3/4 Inch Shock Bolt Fits International * High Quality Axle Sacer* 2.500 Inch* 10.425 Inch * 5.437 Inch* 1.640 Inch * 0.775 Inch* 3/4 Inch Shock Bolt* 12K-14K* 2.5 Degree* Sold Individually* Warranty On Axle Sacer Against Defects...$178.99 -
BESTfit Shock Support Bracket Replaces 3541648C2, 3541648C1 For International WorkStar, LoneStar, ProStar
BESTFIT TRUCK PARTS
$43.85BESTfit 2.25 Inch Standout Shock Support Bracket Fits International LoneStar, ProStar, 7300, 7400, 7500, 7600 & 7700 WorkStar * High Quality Shock Support Bracket* 2.250 Inch* 6.250 Inch Height* 0.625 Inch* 2.000 Inch Center To Center * M16-2.0 Thread*...$43.85 -
BESTfit Air Bag AS91050 T6-071 Under Plastic Base - Replaces Firestone 9105, Goodyear 1R12132
BESTFIT TRUCK PARTS
$301.99BESTfit Air Spring Rolling LobeEnhance your vehicle's performance and stability with our top-of-the-line Air Spring Rolling Lobe. Designed for durability and reliability, our rolling lobe boasts a load capacity of up to 7200 lbs at 100 PSI, ensuring...$301.99 -
BESTfit Triple Convoluted Air Bag - Replaces SP3B22R, 578-93-3-100, FT-330-29, 64285, 8018, 8039, 3B12303, 93AR
BESTFIT TRUCK PARTS
$381.99BESTfit Triple Convoluted Air BagPresenting our Air Spring Triple Convoluted, engineered with precision for superior performance. Crafted to perfection, this triple convoluted air spring boasts a load capacity of 5400 lbs at 80 PSI and 6800 lbs at 100...$381.99 -
BESTfit 2 Leaf Parabolic Spring For Volvo VNL Gen II 2004-2018
BESTFIT TRUCK PARTS
$567.99BESTfit 2 Leaf Parabolic Spring Fits Volvo VNL Gen II * High Quality Parabolic Spring* White MFG* Works On Front * 2 Spring Eye* RB341 Bushing A End* RB341 Bushing B End* 2 Nos. Leaves* 124 Arch* Sold Individually* Warranty On Parabolic Springs Against...$567.99 -
BESTfit Reyco Torque Arm Bolt Assembly Kit For Peterbilt With Air Trac Spring Hangers
BESTFIT TRUCK PARTS
$48.95BESTfit Torque Arm Bolt Kit Fits Peterbilt Air Trac Suspension * High Quality Torque Arm Bolt Assembly Kit* For Peterbilt Air Track Spring Hangers* 4.375 Inch Center To Center Bolt Holes* Includes: 1 Torque Arm Bolt, 2 Compression Washers, 2 Torque Rod...$48.95 -
BESTfit Air Bag Replaces GYR1S-5040 For Freightliner Century 120, FLD120 SBA And SFA
BESTFIT TRUCK PARTS
$34.41BESTfit Freightliner Cab Air Bag - Replaces Goodyear 1S5-040 * High Quality Cab Air Bag* Height: 8.75 Inch* Width 3 Inch* Sold Individually* Replaces Gyris-5040*** High Quality Aftermarket Replacement Part (Not OEM)$34.41 -
BESTfit Air Spring W013589781 Rolling Lobe With Aluminum Piston For Freightliner Airliner II Suspension
BESTFIT TRUCK PARTS
$99.99BESTfit Aluminum Base Rolling Lobe Air SpringEnhance your vehicle's suspension system with our aftermarket replacement part: the air spring rolling lobe. Measuring 11.8 inches by 11.8 inches by 17.9 inches, this durable component is sold individually and...$99.99 -
BESTfit Spring Poly Bushing Kit For Peterbilt 379 1987-2007
BESTFIT TRUCK PARTS
$114.99BESTfit Spring Bushing Kit For Airleaf ModelsLooking for a spring bushing kit to maintain your vehicle's suspension system? Our aftermarket replacement part is precisely what you need. This kit, measuring 9.5 inches in length, 4 inches in width, and 4...$114.99 -
BESTfit 19.25 Inch Forged Torque Rod For Peterbilt With 4 Spring Tandem Older Style Glide Ride
BESTFIT TRUCK PARTS
$126.99BESTfit Fixed Rod Rebushable Torque Rod With 1.25 Inch Shaft - Replaces 03-01764, 03-01781, 03-04839, 1AAA53Looking to replace your torque rod with a reliable aftermarket solution? Our aftermarket replacement part is precisely what you need. This fixed...$126.99 -
BESTfit Air Bag W013589375 Rolling Lobe Style Air Spring With Plastic Base For Hendrickson
BESTFIT TRUCK PARTS
$303.99BESTfit Rolling Lobe Style Air Spring With Plastic BaseLooking for an aftermarket replacement air bag? Our rolling lobe style air bag offers exceptional load capacities, supporting up to 5900 lbs at 80 PSI and 7500 lbs at 100 PSI. With a natural...$303.99