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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Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way Hookup
IOWA CUSTOMS
$498.99Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air & 7-Way HookupThis quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel with a flange and a 45 degree front. The air line box has...$498.99 -
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 -
Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way, Hydraulic Hookups
IOWA CUSTOMS
$411.99Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way & Hydraulic HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight aluminum with a radius bottom and a flange. The air line box...$411.99 -
Stainless Steel Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way, Hydraulic Hookups
IOWA CUSTOMS
$513.99Stainless Steel Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way & Hydraulic HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel with a radius bottom and a flange. The air line...$513.99 -
Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups
IOWA CUSTOMS
$411.99Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way & 4/6-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight aluminum with a radius bottom and a flange. The air line box...$411.99 -
Stainless Steel Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups
IOWA CUSTOMS
$498.99Stainless Steel Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way & 4/6-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel with a radius bottom and a flange. The air line...$498.99 -
Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 2 7-Way Hookups
IOWA CUSTOMS
$411.99Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air & 2 7-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight aluminum with a radius bottom and a flange. The air line box has...$411.99 -
Stainless Steel Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 2 7-Way Hookups
IOWA CUSTOMS
$498.99Stainless Steel Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air & 2 7-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel with a radius bottom and a flange. The air line box has...$498.99 -
Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way Hookup
IOWA CUSTOMS
$382.99Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air & 7-Way HookupThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight aluminum with a radius bottom and a flange. The air line box has pre-cut...$382.99 -
Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, Hydraulic Hookups
IOWA CUSTOMS
$411.99Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way & Hydraulic HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight aluminum with a 45-degree front and a flange. The air line...$411.99 -
Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, Hydraulic Hookups
IOWA CUSTOMS
$499.99Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way & Hydraulic HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel with a 45-degree front and a flange. The air...$499.99 -
Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups
IOWA CUSTOMS
$411.99Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way & 4/6-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight aluminum with a 45-degree front and a flange. The air line...$411.99