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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12.795 Inch Wabco Air Disc Rotor W/ 17 Threaded Bolt Holes - Replaces M44D75180
AUTOMANN USA
$239.9912.795 Inch Wabco Air Disc Rotor W/ 17 Threaded Bolt Holes * High Quality Air Disc Rotor * 12.795 Inch * Threaded Bolt Holes * Disc Brake Shape- U Shape * Disc OD - 12.795 Inch * Overall Depth- 5.848 * Inch Bolt Circle- 7.717 Inch * Hole Diameter- M14 X...$239.99 -
U-Bolt Front Top Plate, 2.16 X 4.32 Inch - Replaces A16-15214-000 For Freightliner
AUTOMANN USA
$64.99U Bolt Front Top Plate For Freightliner Passenger Side * High Quality U Bolt Front Top Plate* 4.0 Inch Sq. U Bolt* Passenger Side* Includes Bumper* 2.160 Inch* 4.00 And 1.770 Inch Wide* 4.320 Inch Center To Center* Sold Individually* Warranty On U Bolt...$64.99 -
30 Inch Step For Volvo VNL Gen II
AUTOMANN USA
$63.2730 Inch Step Fits Volvo VNL Gen II * High Quality Step* 30 Inch Length* 1.25 Inch Height* 4.937 Inch Width* Sold Individually* Warranty On Steps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part...$63.27 -
Aluminum 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ Trailer Air, 7-Way, Hydraulic Hookups
IOWA CUSTOMS
$411.9918 Inch Smooth Aluminum Recessed Air Line Box Sectionalized Deck Plate W/ Trailer Air, 7-Way, Hydraulic HookupsOrganize connectors on the back of your truck with this 18 inch recessed air line box by Iowa Customs with pre-cut openings for trailer air, a...$411.99 -
Stainless Steel 9.75 X 3.00 Inch Air Tank Straps For Peterbilt 379, 378, 386 & 389
PHOENIX DESIGN
$126.99Stainless Steel Air Tank Strap Fits Peterbilt 300 Series * High Quality Air Tank Straps* Stainless Steel* Dimensions - 9.75 Inch Length - 3 Inch Width * Sold As Set* Warranty On Air Tank Straps Against Defects In Workmanship & Material From Date Of...$126.99 -
BESTfit Air Spring Replaces Firestone 9448, Goodyear 1R11-150
BESTFIT TRUCK PARTS
$130.99BESTfit Rolling Lobe Airbag - Replaces Firestone 9448, Goodyear 1R11-150Looking for a replacement air spring? Our aftermarket replacement part, sold individually, ensures reliable performance and durability. It effectively replaces OE numbers...$130.99 -
BESTfit 46K Cast Steel Air Spring Pedestal For Peterbilt Rear Air Leaf & Air Trac Suspension Passenger Side
BESTFIT TRUCK PARTS
$517.99BESTfit Cast Steel Air Spring Pedestal - Replaces 03-06747R, 03-08162R & 03-08163R * High Quality Air Spring Pedestal* Passenger Side* 46K Cast Steel* Includes OEM Shock Stud* Sold Individually* Warranty On Air Spring Pedestal Against Defects...$517.99 -
TPHD Air Ride Suspension Height Control Leveling Valve - Midland Type
TPHD
$111.99Height Control Leveling Valve - Midland TypeUpgrade your vehicle's suspension system with our Suspension Height Control Leveling Valve! Crafted from durable metal, this valve features two 1/4 inch suspension ports and offers immediate response (IR) with...$111.99 -
Jost 10 Inch Riser For Inboard Mount Air Slider For JSK37USL 5th Wheel Plates
JOST
$1,499.99Jost 5th Wheel 10 Inch Riser For Inboard Mount Air Slider * High Quality Risers* 10 Inch Height* For Inboard Mount Air Slider * Air Cylinder 09-051100015 Not Included - Sold Separately* Made In USA* Sold Individually * Warranty On Risers Against Defects...$1,499.99 -
Brunner Stainless Steel Deck Plate 34 X 48 Inch
BRUNNER FABRICATION
$819.9934 X 48 Inch Stainless Steel Deck Plate By Brunner FabricationIf you are looking to cover the back deck of your right, Elite Truck Accessoriesoffers this high quality 48 inch deck plate that will make it easier and safer to get around behind your cab or...$819.99 -
CSM Air Line Box Trough Style With Holes For Dual Electric Plugs
CHROME SHOP MAFIA
$299.99Double Electric Air Line Trough Box For Deck Plate By Chrome Shop Mafia * High Quality Air Line Box* Made Of 304 Stainless Steel* Designed to Fit Flush In Your Deck Plate* Outside Dimensions: - 21.125 Inch - Length - 13.000 Inch - Depth* Cutout Size...$299.99 -
Over-Inflate Kit For PACCAR Rear Air Suspension - Includes 12V Air Solenoid, 25 Ft 1/2 Inch Air Line & Fittings
AFTERMARKET
$133.99Over-Inflate Kit For Peterbilt & Kenworth Rear Air Suspension * High Quality Over-Inflate Kit* Over Inflate Kit* For Paccar Rear Air Suspension* Contains Air Solenoid* 12 Volt* 25 Ft 1/2 Airline And Fittings* Does Not Come With Switch* Sold As Kit***High...$133.99