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 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 -
BESTfit Crewson Type Automatic Slack Adjuster 5.5 Inch Replaces CB25300, CB52336, E6990
BESTFIT TRUCK PARTS
$89.75Crewson Type Automatic Slack Adjuster 1.25 -24 X 5.5 Inch Arm With Offset Clevis - Slack Adjuster - Includes - (2) Installation Gauges - Bushings - Clevis Kit - 1 1/4 Inch- 24 X 5 1/2 Inch Arm - Automatic -...$89.75 -
BESTfit MGM ADB Spring Brake TRB2424DT051, K043270
BESTFIT TRUCK PARTS
$520.99Air Brake Chamber - Combination, Air Disc Model - MGM ADB Spring Brake - Nylon Diaphragms - 360 Aluminum Center Case - 2.5 Inch Stroke - Epoxy Coated Head - Non-Pressure Chamber - Lower Push Rod - Molded Nitrile...$520.99 -
BESTfit Long Stroke Air Brake Chamber 12 Inch - No Core Charge TR3030LP3 INTRAAX Replaces 3230551, 3230551X
BESTFIT TRUCK PARTS
$228.99Air Spring Brake TR3030LP3 Intraax - Non-clevis - Spring Brake - 3.0 Inch Long Stroke - 12 Inch Push Rod - HD Nylon Reinforced Diaphragms - Epoxy Coated Head - Non-Pressure Chamber - Lower Push Rod - Return...$228.99 -
BESTfit Service Chamber C20 Replaces 1420001
BESTFIT TRUCK PARTS
$144.992.25 Inch Type 20 Standard Stroke Service Brake Chamber - Service Chamber - Nylon - Dimensions: - 2.25 Inch Stroke Length - 5.125 Inch Pilot Diameter - Epoxy Coated Formed Steel Pressure And Non-Pressure Caps -...$144.99 -
BESTfit Air Disc Brake Caliper Rationalized ADB22X Driver Side Replaces K081259, K097845, K097849
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 Center Bolt 1/2 - 20 X 9 Inch W/ 3/4 Inch Head for Front Spring
BESTFIT TRUCK PARTS
$6.24BESTfit Center Bolt with 3/4 Head for Front Spring - Center Bolt - 1/2 X 9 Inch - With 3/4 Head For Front Spring - Sold Individually - Warranty On Center Bolts Against Defects In Workmanship & Material From Date Of...$6.24 -
BESTfit Camshaft 1.50 Inch-10 Passenger Side E2794, R607031, 17-568, M16Wk10310
BESTFIT TRUCK PARTS
$70.68Brake Camshaft - Camshaft - Length L- 17.375 Inch - Length A- 2.219 Inch - Splines- 1.50 Inch-10 - Journal Diameter- 1.50 Inch - Passenger Side - Sold Individually - Warranty On Camshafts Against Defects In...$70.68 -
BESTfit Camshaft Repair Half Kit Replaces E20902, 4370391
BESTFIT TRUCK PARTS
$11.21Camshaft Repair Half Kit - Camshaft Repair Half Kit - Kit Consists: - (3) Camshaft Bushing - (4) Washer - (2) Camshaft Lock - Sold Individually - Warranty On Camshaft Repair Half Kits Against Defects In Workmanship...$11.21 -
BESTfit Rear Spring Bolt Kit For Isuzu NPR
BESTFIT TRUCK PARTS
$31.61BESTfit Isuzu Rear Spring Bolt Kit W/ Shackle Pin, Bronze Bushing, Lock Washer, Grease Fitting & Hex Nut - Bolt Kit - Consists Of - (1) Shackle Pin - (1) Bronze Bushing Metric - (1) 7/8 Inch Lock Washer - (1) Grease...$31.61