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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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 -
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 -
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 -
17.47 Inch Drag Link - 1661867C91, 346385, E11463, FDL1215, R250113 For International 4600-4900, 7100
AUTOMANN USA
$91.28Drag Link Fits International - Replaces DS1215, L18VU8000A11, L18VU8000A12, L20VU5094A11 & R250113 * High Quality Drag Link* 17.47 Inch Center To Center* 5/8 Inch - 18* Type N-S* Sold Individually* Warranty On Drag Links Against Defects In Workmanship &...$91.28 -
1.25 ID, 1.5 OD X 4 Inch Spring Bushing For Steer Axle Replaces 16-12399-001, 30057007 & 10651H For Kenworth
AUTOMANN USA
$7.64Spring Bushing For Kenworth Steer Axle - Replaces CS66658B, R301876 & 61310207 * High Quality Bi-Metal Spring Bushing* 1-1/2 Inch X 1-1/4 Inch X 4 Inch* Suspension Bushing* Sold Individually* Warranty On Bi-Metal Spring Bushings Against Defects In...$7.64 -
304 Stainless Steel On-Top Air Line Box Sectionalized Deck Plate W/ Trailer Air, 7-Way, Hydraulic Hookups
IOWA CUSTOMS
$499.99On-Top Air Line Box Sectionalized Deck Plate W/ Trailer Air, 7-Way & Hydraulic Hookups * High Quality Deck Plate Accessories* Made Of Polished Stainless Steel* On-Top Airline Box * With Trailer Air Hydraulic And One 7 Way Hook Up* Made In USA* Sold...$499.99 -
Stainless Steel 8.25 X 3.00 Inch Air Tank Straps For Peterbilt 379, 378, 386 & 389 - Straight Design
PHOENIX DESIGN
$105.993 X 8.25 Inch Stainless Steel Air Tank Straps * High Quality Air Tank Strap* Made Of Stainless Steel* 8.25 Inches Diameter X 3.0 Inches Wide* Sold As Pair * Made In USA* Warranty On Air Tank Strap Against Defects In Workmanship & Material From Date Of...$105.99 -
Stainless Steel Rear Frame Cover With Notch Cutout For Steel Crossmembers For Peterbilt
TURNPIKE TRUCK TRIM
$83.99Rear Frame Cover With Notch Cutout * High Quality Rear Frame Covers* With Cut Out* Fits Steel Cross Members* Sold Individually* Warranty On Cross Members Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$83.99 -
On Sale
Remote Lube Mount Bracket. For Peterbilt 379, 386, 389
IOWA CUSTOMS
Now: $79.79Was: $113.99Remote Lube Mount Bracket. Fits Peterbilt 379, 386, 389 * High Quality Mount Bracket* Made In USA* Sold Individually* Warranty On Mount Brackets Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part...Now: $79.79Was: $113.99 -
Sliding 5th Wheel Coiled Air Line With Cold Temp Resistance
UNITED PACIFIC
$13.44Sliding Fifth Wheel Coiled Air Line With 1/4 Inch Male Pipe Connector * Coiled Air Hose* Cold Temperature Resistance Nylon* 12 Hose* Recoiled Into Smaller Dimensions For Easy Storage* Perfect As A Fifth Wheel Air Slide Coil* With 1/4 Inch Pipe Male...$13.44