Semi-Truck Trailer Parts
Get top-notch semi-truck trailer parts at 4 State Trucks. From automatic slack adjusters to air bags and torque arms, we've got what your rig needs. Our parts are known for quality and reliability, making maintenance hassle-free. Looking for fuel tank straps or air tanks? We've got those too. Shop now and keep your truck in peak condition.
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BESTfit Air Spring Rolling Lobe 80 PSI- 9000 - 11 10.5E-16 A 214 69701, 90557410 For SAF Holland / Neway
BESTFIT TRUCK PARTS
$325.99Replacement Air Spring Rolling Lobe - Air Spring Rolling Lobe - Aluminum Base - Dimensions: - Design Height- 7.50 Inch - Top Plate Diameter- 11.31 Inch - Top Plate C To C Diameter- 5.50 Inch - Bottom Plate...$325.99 -
BESTfit Meritor Type Automatic Slack Adjuster 1.5 -10 Spline X 6 Inch, Unhanded E11399, E11399A, A43275J1154S
BESTFIT TRUCK PARTS
$89.75Automatic-Meritor Type Slack Adjuster 6 Inch - Automatic Slack Adjuster - Dimensions: - 1 1/2 Inch- 10 - 6 Inch Arm - 5/8 Inch- 18 Clevis - Clevis Kit (Included) - Unhanded - Meritor Type - Made In...$89.75 -
BESTfit Shock Bolt Assembly 3/4 Inch -10 Thread - S20031, S20031/2 For Hendrickson Trailer
BESTFIT TRUCK PARTS
$5.54BESTfit Shock Bolt Assembly replaces S20031, S20031/2 - Shock Bolt Assembly - Consists Of - (1) Cap Screw - (1) Lock Nut - Sold Individually - Warranty On Shock Bolt Assemblies Against Defects In Workmanship & Material...$5.54 -
BESTfit Black Air Tank 1488 Cubic in Vol 9.50 Inch Replaces 2001LH01, HT9531
BESTFIT TRUCK PARTS
$206.99Air Tank With Type 4 End Brackets - Trailer Air Tank - Steel - 9.50 Inch Diameter - Painted Black - With Type 4 End Brackets - 1488 Cubic Inch Volume - 22.50 Inch To The End Caps - 27.50 Inch To End Of Mounting...$206.99 -
BESTfit Equalizer Bolt Kit - Replaces E10250, R3010250, CS71700B, 085000, 000110
BESTFIT TRUCK PARTS
$153.99Reyco Equalizer Repair Bolt Kit - Equalizer Bolt Kit - Includes: - (1) Equalizer Transpro - (1) Equalizer Bolt Kit - (2) Roller Assembly - 3 Inch Spring Width - Made In USA - Sold Individually -...$153.99 -
BESTfit Equalizer and Bolt Kit E2889, 1913701 2436701 For Hutch
BESTFIT TRUCK PARTS
$113.99Replacement Equalizer and Bolt Kit - Equalizer - Consists Of: - (1) Equalizer - (1) Equalizer Bolt Assembly - Dimensions: - Hole Size- 3.25 Inch - Spring Width- 3.00 Inch - Bushing I.D.- 1.125 Inch -...$113.99 -
BESTfit Meritor Type Automatic Slack Adjuster 1.5 -10 Spline X 5.5 Inch, Unhanded
BESTFIT TRUCK PARTS
$89.75Automatic Slack Adjuster 5.5 Inch - Automatic Slack Adjuster - Dimensions: - 1 1/2 Inch- 10 - 5 1/2 Inch Arm - 5/8 Inch- 18 Clevis - Clevis Kit (Included) - Unhanded - Meritor Type - Made In USA -...$89.75 -
BESTfit Pivot Connection Kit - SRK65 For Watson & Chalin
BESTFIT TRUCK PARTS
$319.99BESTfit Pivot Connection Kit For One Axle Replaces SRK65 - Pivot Connection Kit - Consists Of - (2) Bolt 1-1/8-7 Inch X 10-1/2 Inch - (2) Pivot Bushing - (2) 1-1/8 Inch Lock Nut - (4) 1-1/8 Inch U-Bolt Washer - (1)...$319.99 -
BESTfit Axle Seat Torque Rod Bracket 1630801 For Hutch
BESTFIT TRUCK PARTS
$201.99Hutch Axle Seat Torque Rod Bracket - Torque Rod Bracket - Fabricated - For Optional 3/4 Inch U Bolts - Made In USA - Sold Individually - Warranty On Torque Rod Brackets Against Defects In Workmanship & Material From Date...$201.99 -
BESTfit Equalizer Bolt Kit - Replaces 085000
BESTFIT TRUCK PARTS
$147.99Transpro Equalizer Repair Bolt Kit - Equalizer Bolt Kit - Steel - Dimensions: - 16.5 Inch Length - 3 Inch Spring Width - 1 Inch Bushing ID - 11.5 Inch Length C To C - Made In USA - Sold...$147.99 -
BESTfit Axle Connection Kit - 48100320, SRK457 For Neway / Holland
BESTFIT TRUCK PARTS
$268.99BESTfit Axle Connection Kit Replaces 48100320, SRK457 - Axle Connection Kit - Consists Of - (8) Wear Washer - (4) Axle Connect Bushing - (4) 1-1/8 Inch Lock Nut - (4) Cap Screw 1-1/8 Inch-7 x 8-1/2 Inch - Made In...$268.99 -
BESTfit Axle Connection Kit - 48100110, SRK66 For SAF Holland / Neway
BESTFIT TRUCK PARTS
$373.99BESTfit Axle Connection Kit W/ Wrap Pad, Bottom Pad and U Bolt Kit Replaces 48100110, SRK66 - Axle Connection Kit - Consists Of - (2) Axle Wrap Pad - (2) Axle Bottom Pad - (2) U Bolt Kit F/Round 1 X 6-3/8 X 10-1/2 In -...$373.99