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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Smooth Aluminum Recessed Air Line Box W/ Flange, Trailer Air, 7-Way Hookups
IOWA CUSTOMS
$530.99Smooth Aluminum Recessed Air Line Box W/ Flange, Trailer Air & 7-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight smooth aluminum with a flange. The air line box has pre-cut openings for trailer air...$530.99 -
304 SS 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air & 7-Way Cutout
IOWA CUSTOMS
$550.9918 Inch 304 Stainless Steel Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air & 7-Way CutoutOrganize connectors on the back of your truck with this 18 inch recessed air line box by Iowa Customs with openings for 2 air lines and a seven way hookup...$550.99 -
304 Stainless Steel 12 Inch On-Top Air Line Box
IOWA CUSTOMS
$584.9912 Inch 304 Stainless Steel On-Top Air Line BoxHide unsightly connectors on the back of your truck with this 12 inch on-top air line box by Iowa Customs. It is made of corrosion-resistant stainless steel and designed to fit most trucks. This air line box...$584.99 -
Stainless Steel Recessed Air Line Box
IOWA CUSTOMS
$528.99Air Line Box * High Quality Recessed Air Line Box* Made Of Stainless Steel * With Openings for 1 Electric And 2 Air Hook Up* Sold Individually* Warranty On Recessed Air Line Box Against Defects In Workmanship & Material From Date Of Purchase*** High...$528.99 -
Aluminum 20 Inch Sectional Recessed Tool Box For 31 Inch Frame
IOWA CUSTOMS
$799.98On Frame Sectional Deck Plate * High Quality Deck Plate* Made Of Smooth Aluminum* 20 Inch Length * Fits Any 34 Inch Frame* Installs On Top Of The Frame* Made In USA* Sold Individually* Warranty On Deck Plates Recessed Tool Boxes Against Defects In...$799.98 -
20 x 18 x 36 Inch Aluminum Underbody Truck Box W/ Drawer
AFTERMARKET
$951.99Diamond Tread Underbody Truck Box W/ Drawer * High Quality Truck Box* Diamond Tread Aluminum* Dimensions- 20 Inch Height - 18 Inch Depth- 36 Inch Width * Can Be Mounted On Either A Flat Surface Or Under-Bed* Requires Mounting Brackets Sold Separately*...$951.99 -
Smooth Aluminum 18 Inch Wide Big Mount Step Box
ICONIC
$599.9918 X 24 X 39.13 Inch Aluminum Big Mount Step Box * High Quality Big Mouth Step Box* Aluminum* 18.00 Inch Wide* 24.00 Inch Height* 29.13 Inch Depth* With Smooth Aluminum Lid * 50 Percent Larger Opening Than Traditional Step Boxes Allows You To Store More...$599.99 -
22 Inch Smooth Aluminum Big Mouth Step Box W/ Lid
ICONIC
$639.88Big Mouth 22 X 24 Inch Smooth Aluminum Step Box * High Quality Step Box* Made Of Smooth Aluminum With Smooth Aluminum Lid* 22 Inch Wide* 24 Inch Height* 29.13 Inch Depth* Recommended 09-0210100007 Mounting Bracket - Not Included* 50 Percent Larger...$639.88 -
Bright Diamond Plate Aluminum 72 Inch Topside Truck Tool Box W/ Double Doors
AFTERMARKET
$962.9572 Inch Bright Diamond Plate Aluminum Topside Truck Tool Box W/ Double Doors * High Quality Tool Box* Made Of Diamond Plated Aluminum* Features- 72 Inch Length Top- 72 Inch Length Bottom- 17 Inch Height- 13.685 Inch Width Top- 13.685 Inch Width Bottom*...$962.95 -
Gloss Black Diamond Plate Aluminum 48 Inch Topside Truck Tool Box W/ Single Door
AFTERMARKET
$714.9548 Inch Gloss Black Diamond Plate Aluminum Topside Truck Tool Box W/ Single Door * High Quality Tool Box* Made Of Diamond Plated Aluminum* Gloss Black Powder Coat Finish* Features- 48 Inch Length Top- 48 Inch Length Bottom- 17 Inch Height- 13.685 Inch...$714.95 -
Bright Diamond Plate Aluminum 48 Inch Topside Truck Tool Box W/ Single Door
AFTERMARKET
$606.9548 Inch Bright Diamond Plate Aluminum Topside Truck Tool Box W/ Single Door * High Quality Tool Box* Made Of Diamond Plated Aluminum* Features- 48 Inch Length Top- 48 Inch Length Bottom- 17 Inch Height- 13.685 Inch Width Top- 13.685 Inch Width Bottom*...$606.95 -
Bright Diamond Plate Aluminum 48 Inch Utility Chest Box For Pickup Trucks
AFTERMARKET
$613.9548 Inch Bright Diamond Plate Aluminum Utility Chest Box Fits Pickup Trucks * High Quality Utility Chest* Made Of Diamond Plated Aluminum* Features- 42.875 Inch Length Top- 47 Inch Length Bottom- 21.25 Inch Height- 24.75 Inch Width Top- 24 Inch Width...$613.95