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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BESTfit MGM ADB Spring Brake TRB2424DT
BESTFIT TRUCK PARTS
$259.99Replacement Air Disc Brake Chamber - Spring Brake - Nylon Diaphragms - Aluminum Center - 2.25 Inch Push Rod - 2.5 Inch Stroke - Epoxy Coated Head - Non-Pressure Chamber - Push Rod - Return Spring -...$259.99 -
BESTfit Spring Brake Combination Chamber Type 24/30 Sealed, 10.625 Inch Pushrod
BESTFIT TRUCK PARTS
$116.99Spring Brake Type 24/30 Sealed With Standard Stroke - Spring Brake - 10.625 Inch Pushrod - Type 24/30 Sealed - With Standard Stroke - No Welded Clevis - Combination Chamber - Made In USA - Sold Individually -...$116.99 -
BESTfit Air Spring Brake TR3030LP3HD WC Replaces 3232951, 3232951X
BESTFIT TRUCK PARTS
$334.99Spring Brake Welded Clevis 2.25 Inch - Spring Brake - Welded Clevis - 2.25 Inch Push Rod - 3.0 Inch Long Stroke - HD Nylon Reinforced Diaphragms - HD Power Spring - With 145 Pound Additional Force - Epoxy Coated...$334.99 -
BESTfit Air Disc Brake Caliper Rationalized ADB22X Passenger Side Replaces K081258, K097844, K097848
BESTFIT TRUCK PARTS
$854.99Air Disc Caliper Rationalized ADB22X - Air Disc Caliper - 12 Degree Chamber Mounting - Steer And Drive Axle - Does Not Include Carrier - Sold Individually - Warranty On Air Disc Calipers Against Defects In Workmanship &...$854.99 -
BESTfit Camshaft 1.5 Inch-10 Spline, Driver Side E2795, R607032, 17-569, M16Wk10210
BESTFIT TRUCK PARTS
$70.68Driver Side Air Brake Camshaft - Camshaft - Length L- 17.375 Inch - Length A- 2.219 Inch - Splines- 1.50 Inch-10 - Journal Diameter- 1.50 Inch - Driver Side - Sold Individually - Warranty On Camshafts Against...$70.68 -
BESTfit Parabolic Extra Leaf - 1,800 Lbs. Capacity
BESTFIT TRUCK PARTS
$211.99BESTfit Leaf Spring Full Tapered Parabolic Extra Leaf - Parabolic Extra Leaf - 26 Inch S.E. - 30 Inch L.E. - 6 Inch Arch - Capacity- 1800 Lbs - Made In USA - Sold Individually - Warranty On Parabolic Extra Leafs...$211.99 -
BESTfit Wrapper Leaf For 10 Leaf Spring For Hendrickson
BESTFIT TRUCK PARTS
$172.99BESTfit Hendrickson Wrapper Leaf - Wrapper Leaf - For 10 Leaf Spring - Made In USA - Sold Individually - Warranty On Wrapper Leafs Against Defects In Workmanship & Material From Date Of Purchase - Aftermarket Replacement...$172.99 -
BESTfit Parabolic Extra Leaf - 2,700 Lbs. Capacity
BESTFIT TRUCK PARTS
$231.99Parabolic Extra Leaf - Parabolic Extra Leaf - Dimensions: - 26-1/8 Inch S.E. - 30-7/8 Inch I.E. - 4-3/4 Inch Arch - Capacity- 2700 Lbs. - Made In USA - Sold Individually - Warranty On Parabolic Extra Leafs...$231.99 -
BESTfit 5 Inch U-Bolt Saddle Clamp
BESTFIT TRUCK PARTS
$32.165 Inch Chrome Flat Bolt HD Welded Saddle Clamp - Saddle - Chrome-Plated - 5 Inch - Flat Bolt - Welded - Made In USA - Sold Individually - Warranty On Saddles Against Defects In Workmanship & Material From Date...$32.16 -
BESTfit Leaf Spring Repair Plate 2 1/2 X 0.323- 72 Inch OAL W/ 7 1/4 Arch
BESTFIT TRUCK PARTS
$67.75BESTfit Spring Steel Repair Plate With No Center Hole - 2.5 X 0.323 X 72 Inch - Repair Plate - Dimensions: - 2-1/2 Inch Plate Width - 0.323 Inch Plate Thickness - 72 Inch Overall Length - Arch- 7.5 Inch - Repair...$67.75 -
BESTfit MGM Spring Brake With Welded Clevis, Push Rod TR3030T
BESTFIT TRUCK PARTS
$259.99Standard Stroke Combo Spring Brake Chamber with 4.2" Push Rod - Spring Brake - Nylon Reinforced Diaphragms - Aluminum Center - 2 1/2 Inch Stroke Length - 4.2 Inch Push Rod - Epoxy Coated Head - Non-Pressure...$259.99 -
BESTfit 5.5 Automatic Slack Adjuster Replaces 40920046, 40020240, ZZ40020240, 539640020240, M808005
BESTFIT TRUCK PARTS
$143.995.5 Haldex Self- Setting Type Automatic Slack Adjuster - Slack Adjuster - Automatic-Haldex Slack Type (Self Setting) - Bracket And Hardware Included - 5.5 Inch Center To Center Arm Length - 1.5 Inch Diameter - 28 Count...$143.99