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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On Sale
Poly Motor Mount Bushing For Peterbilt 359, 378, 379
AUTOMANN USA
Now: $15.69Was: $22.42Polyurethane Motor Mount * High Quality Motor Mount Bushing* Polyurethane * 2.42 Inch O.D.* 1.30 Inch Thickness* Sold Individually* Warranty On Motor Mount Bushings Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...Now: $15.69Was: $22.42Qty in Cart: 0Quantity:Price:Now: $15.69Was: $22.42Subtotal: -
Washer - 0.75 ID X 3.5 OD Inch For Freightliner 112, 120 Cab Mount
AUTOMANN USA
$13.25Freightliner Washer For Cab Mount Replaces 681-317-02-76, 681-317-04-76 * High Quality Washer* Dimensions:- 0.75 Inch I.D.- 0.25 Inch Thickness- 3.50 Inch O.D.* Sold Individually * Warranty On Washers Against Defects In Workmanship & Material From Date...$13.25Qty in Cart: 0Quantity:Price:$13.25Subtotal: -
Wireless Echo Mobile Trailer Brake Controller
CURT MANUFACTURING
$289.95Bluetooth Echo Mobile Trailer Brake ControllerThe Echo brake controller wirelessly syncs with your Apple or Android phone, transforming it into a brake controller interface through the Smart Control app. It features a non-invasive installation and easy...$289.95Qty in Cart: 0Quantity:Price:$289.95Subtotal: -
Diamond Tread Aluminum Underbody Truck Tool Box, 18 X 18 X 24 Inch
AFTERMARKET
$429.9918 X 18 X 24 Inch Diamond Tread Aluminum Underbody Truck BoxThis durable box is made of corrosion-resistant, .100 in. thick diamond tread aluminum. It features a recessed drop door with a hidden hinge for secure storage. The locking, die cast compression...$429.99Qty in Cart: 0Quantity:Price:$429.99Subtotal: -
CSM Mounting Kit For CSM 24 x 24 x 60 Inch Toolbox
CHROME SHOP MAFIA
$295.9924 x 24 x 60 Inch Tool Box Mounting Kit W/ Bottom & Triangle Side Supports By Chrome Shop Mafia * High Quality Mounting Kit* Made Of Black Powder Coated Steel* 24 Inch X 24 Inch X 60 Inch * 1 Piece Bottom And Triangle Side Supports* Made In USA* Sold...$295.99Qty in Cart: 0Quantity:Price:$295.99Subtotal: -
On Sale
CSM Mounting Kit For CSM 18 x 18 x 48 Inch Toolboxes
CHROME SHOP MAFIA
Now: $178.49Was: $254.9918 x 18 x 48 Inch Tool Box Mounting Kit W/ Bottom & Triangle Side Supports By Chrome Shop Mafia * High Quality Mounting Kit* Made Of Black Powder Coated Steel* 18 Inch X 18 Inch X 48 Inch * 1 Piece Bottom And Triangle Side Supports* Made In USA* Sold...Now: $178.49Was: $254.99Qty in Cart: 0Quantity:Price:Now: $178.49Was: $254.99Subtotal: -
On Sale
CSM Mounting Kit For CSM 18 x 18 x 36 Inch Toolboxes
CHROME SHOP MAFIA
Now: $160.06Was: $234.9918 x 18 x 36 Inch Tool Box Mounting Kit W/ Bottom & Triangle Side Supports By Chrome Shop Mafia * High Quality Mounting Kit* Made Of Black Powder Coated Steel* 18 Inch X 18 Inch X 36 Inch * 1 Piece Bottom And Triangle Side Supports* Made In USA* Sold...Now: $160.06Was: $234.99Qty in Cart: 0Quantity:Price:Now: $160.06Was: $234.99Subtotal: -
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*...$951.99Qty in Cart: 0Quantity:Price:$951.99Subtotal: -
Smooth Aluminum 18 Inch Wide Big Mount Step Box
ICONIC
$622.9918 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...$622.99Qty in Cart: 0Quantity:Price:$622.99Subtotal: -
22 Inch Smooth Aluminum Big Mouth Step Box W/ Lid
ICONIC
$645.99Big 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...$645.99Qty in Cart: 0Quantity:Price:$645.99Subtotal: -
Brunner 36 Inch Black Integrated Step Box Brackets
BRUNNER FABRICATION
$183.99Black Integrated Step Box Brackets By Brunner?s Fabrication By Brunner Fabrication * High Quality Integrated Step Box Brackets* Black* 36 Inch* Sold As Pair * Warranty On Integrated Step Box Against Defects In Workmanship & Material From Date Of...$183.99Qty in Cart: 0Quantity:Price:$183.99Subtotal: -
Brunner 36 X 22 X 26 Inch Black Passenger Side Integrated Step Box W/ Stainless Steel Door
BRUNNER FABRICATION
$1,737.99Passenger Side 36 X 22 X 26 Inch Black Integrated Step Box W/ Stainless Steel Door By Brunner?s Fabrication By Brunner Fabrication * High Quality Integrated Step Box * Painted Black * With 3 Stainless Steel Door* Passenger Side* 36 X 22 X 26 Inches* Sold...$1,737.99Qty in Cart: 0Quantity:Price:$1,737.99Subtotal: