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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Peterbilt BESTfit 7 X 29.5 Inch Aluminum Lower Step Without Brackets Early Style Tread
BESTFIT TRUCK PARTS
$69.99BESTfit Aluminum Replacement Lower Step Without Angles For Peterbilt 2007-OlderEnhance your vehicle's accessibility with our premium aftermarket Lower Step. Crafted from durable aluminum, this step boasts a 29.50-inch length, 7-inch width, and 2-inch...$69.99 -
JOST 5th Wheel Release Handle - Driver Side Pull
AUTOMANN USA
$40.895th Wheel Release Handle * High Quality 5th Wheel Release Handle* Driver Side Pull Fits Jost 5th Wheels* Sold Individually* Warranty On 5th Wheel Release Handle Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$40.89 -
Black Steel Twin Chamber Air Tanks, 9.625 Dia X 35.50 Inches, 9 Port For Kenworth
AUTOMANN USA
$486.992 Single Chamber Kenworth 9 Port Tanks * High Quality Air Tank* 2 Single Chamber Tanks* Mounting Brackets Top Of Tank* Black Steel* 9 Port 9.625 Inch Diameter X 34.50 Inch Length* No Side Ports * End Ports A ( 7 ) 1/2 Inch NPT And ( 1 ) 1/4 Inch NPT -...$486.99 -
Bulldog HD Rear Shock Absorber 12.05 Comp. Length, 6.77 Inch Stroke Replaces 1091379, 3199949, 3199980, 3919949 For PACCAR
BULLDOG HD SHOCKS
$39.99Shock Absorber Fits Peterbilt 367, 386, 587, Kenworth K100, T300-T450, T2000, T600, T800 & W900Bulldog HD shocks are fleet tested and approved. This is a premium rear replacement shock reengineered to be better than the factory part that came with your...$39.99 -
15/16 Or 7/8 Inch Chrome Nut Cover Top Hat Style
LIFETIME NUT COVERS
$2.49Chrome Top Hat Nut Cover With Flange Lifetime nut covers are made with drivers in mind. This short top hat nut cover with a flange is for 15/16 inch and ? inch bolt heads. Made of ABS plastic injected with triple chrome plating, the cover is rust...$2.49 -
Height Control Valve Linkage Bushing, 0.375 Inch Thick For Kenworth IO in ID Looped Linkage
AUTOMANN USA
$6.50Kenworth HCV Linkage Bushing * High Quality Linkage Bushing* 0.375 Inch Thickness* Height Control Valve* Sold Individually* Warranty On Linkage Bushings Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$6.50 -
Thrust Washer, 2.75 OD For Freightliner Motor Mount
AUTOMANN USA
$9.17Washer Replaces 01-10149-000, 01-11705-000. 0111773000, 01-12118-000 * High Quality Suspension Washer* Dimensions - 2.75 Inch O.D. - 0.655 Inch I.D. - 0.122 Inch Thickness* Sold Individually* Warranty On Washers Against Defects In Workmanship &...$9.17 -
Wear Washer - 2 Inch ID For Peterbilt Rear Air Leaf
AUTOMANN USA
$13.19Peterbilt Rear Air Leaf 0.10 Inch Thick Wear Washer * High Quality Wear Washer* 0.10 Inch Thickness* 2.00 Inch I.D.* Sold Individually* Warranty On Wear Washers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$13.19 -
Black Steel Single Chamber Air Tank, 9.5 Dia X 46 Inches, 10 Port For Kenworth
BESTFIT TRUCK PARTS
$308.99Kenworth Black Steel 10 Port Single Chamber Tank * High Quality Air Tank* Single Chamber Tank* Black Steel* 10 Port 9.50 Inch Diameter X 46.00 Inch Length* Side Ports ( 6 ) 1/2 Inch NPT * End Ports A ( 1 ) 1/2 Inch NPT And ( 1 ) 1/4 Inch NPT* End...$308.99 -
Stainless Steel Air Tank U-Bolt Replaces K241-576 & G34-6006 For Paccar 10 Inch Diameter Tank
BESTFIT TRUCK PARTS
$20.29Air Tank U-Bolt * High Quality Air Tank U-Bolt * Stainless Steel* For 10 Inch Diameter Air Tank* Includes 2 Washer And Lock Nuts* 11.250 Inches Overall Height* 10.000 Inches Between Sides* 5/16 Inch Material Diameter* 5/16-24 Thread Size* 3.000 Inches...$20.29 -
Peterbilt BESTfit Aluminum Lower Step With Early Style Tread & Brackets
BESTFIT TRUCK PARTS
$98.99BESTfit Aluminum Replacement Lower Step With Angles For PeterbiltUpgrade your vehicle's accessibility with our premium aftermarket Lower Step. Crafted from durable aluminum, this step boasts a 30.50-inch length, 7-inch width, and 2-inch height, providing...$98.99 -
Frame Clamp For Mounting Under Body Glow Light Brackets
IOWA CUSTOMS
$45.34Frame Clamp For Mounting Under Body Glow Light Brackets * Made Of High Quality Billet Aluminum* Recommended 2 Brackets Per 12 Or 24 Inch Sections* No Drilling Required - Installs With Basic Hand Tools* Sold As Pairs* Warranty On Mounting Clamps...$45.34