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 Equalizer Repair Kit - Replaces E3527 For Trailmobile
BESTFIT TRUCK PARTS
$27.49BESTfit Equalizer Repair Kit With Bolt, Lock Washer, 3/4 Inch Spacer Tubes, 5/8 Inch Lock Nuts, and 5/8 Inch-18 X 5 Inch Cap Screws * High Quality Repair Kit* Consists Of - (2) Equalizer Bolt TrailMobile- (1) Lock Washer- (2) 3/4 Inch Spacer Tubes - (4)...$27.49 -
BESTfit Hutch Trunnion Bushing, 3.5 ID X 5.75 Inch For Neway / Holland Trailers
BESTFIT TRUCK PARTS
$28.03BESTfit 3.5 ID X 5.75 Inch Hutch Trunnion Bushing * High Quality Trunnion Bushing * Dimensions:- 5.75 Inch Length - 3.5 ID* Hutch Application * Sold Individually * Warranty On Trunnion Bushing Hutches Against Defects In Workmanship & Material From Date...$28.03 -
BESTfit Heavy Duty Equalizer Bolt Assembly - TK18998 For Reyco Granning
BESTFIT TRUCK PARTS
$87.70BESTfit Bolt Assembly with Lock Washer, Equalizer Shaft, Washer, & 7/8 Inch Nut Lock * High Quality Equalizer Bolt Assembly* Consists Of - (1) 1 Inch Lock Washer - (1) Equalizer Shaft - (1) Washer - (2) Equalizer Bushings - (1) 7/8 Inch Lock Nut* Made In...$87.70 -
BESTfit Poly Pivot Bushing Kit W/ 3/4 Inch Bushings - SRK11901
BESTFIT TRUCK PARTS
$293.99BESTfit Poly 3/4 Inch Pivot Bushing Kit W/ 8 Bushings * High Quality Pivot Bushing Kit* Includes:- (8) Pivot Bushing Inner Sleeve- (8) Shackle Pin- (8) 3/4 Inch Lock Nuts- (16) Pivot Poly Bushings - (16) 3/4 Inch U Bolt Washers - (8) 3/4 Inch Washers*...$293.99 -
On Sale
3 X 16.5 Inch Fabricated Equalizer Hutch - Replaces 1615801
AUTOMANN USA
Now: $40.59Was: $57.9911.75 Inch C-C Fabricated Equalizer Hutch With 3.25 Inch Hole * High Quality Equalizer Hutch* 16.50 Inch Overall Length* 11.750 Inch Center To Center* Equalizer Hole: 1.125 Inch* For Poly Use* Equalizer Type: Fab* Bushing Included* Hole Size ( C ): 3.250...Now: $40.59Was: $57.99 -
6 Inch Gunite Type Slack Adjuster For Welded Clevis Chamber
AUTOMANN USA
$93.126 Inch Gunite Type Slack Adjuster W/ 1.5 X 5.5 Inch, 28 Spline Arm For Welded Clevis Chamber * High Quality Slack Adjuster* Slack Type: Automatic-Gunite Type* For Welded Clevis Chamber* With 1.30 Inch Center To Center* 5 1/2 Inch Arm* Spline Count: 28*...$93.12 -
Steel Air Tank For Trailer 9.5 Inch Diameter 1488 Cubic Inch Volume, 3/4 Inch Ports & 1/4 Inch Drain - Black
BESTFIT TRUCK PARTS
$179.991488 Cubic Inch Truck & Trailer Air Tank * High Quality Air Tank* Made Of Steel* Attribute Value* Bracket Orientation Type 4* 9.5 Diameter* 22.50 Inch Length* 1488 Cubic Inch Volume* Dual Ports* 27.50 Inch Overall Length* Front Port (F1) 3/4 Inch NPT*...$179.99 -
BESTfit Height Control Valve - Replaces 171-H00500CAOE, E-14351, E14351
BESTFIT TRUCK PARTS
$139.99BESTfit Air Brake Link Height Control Leveling Valve * High Quality Leveling Valve* Trailer Only* Hadley Type * Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM)****** Replaces 171-H00500CAOE, E-14351, E14351** This Item Ships...$139.99 -
13 Inch Suspender Spring For Brake Hoses On Trailer
AUTOMANN USA
$6.51Suspender Spring * Made Of High Quality Suspender Spring* 13 Inch* For Brake Hoses On Trailer* Replaces OEM # F9990990-07, F999099007, GT-5002, GT5002, HALDX-11602, HALDX11602, JN104718, M-3057, M3057, 09-019-028, 09-019-028-ZY96, 09019028ZY96, 1013425,...$6.51 -
12 X 29.5 Inch Air Tank For Trailer
BESTFIT TRUCK PARTS
$184.9912 Inch Diameter Air Tank * High Quality Air Tank* 12 Inch Diameter x 29.50 Inch Length* 2 Port* Sold Individually* Warranty On Air Tanks Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...$184.99 -
King Pin .500 SAE Plate Mushroom
AUTOMANN USA
$80.29King Pin * High Quality King Pin* .500 Inch Plate Mushroom* Sold Individually* Warranty On King Pin Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***** This Item Ships Direct From...$80.29 -
King Pin .375 Inch SAE Plate Mushroom
AUTOMANN USA
$65.98King Pin SAE * High Quality King Pin* .375 Inch Plate Mushroom* Sold Individually* Warranty On King Pin Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)**** This Item Is Special Order...$65.98