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 Quick-Align Type Pivot Bolt Service Kit - 10 Inch For Hendrickson
BESTFIT TRUCK PARTS
$24.21Quick-Align Type Pivot Bolt Service Kit Replaces 003166 , S24679 , S21052 - Service Kit - Consists Of - (1) Special Head Bolt - (1) Lock Nut - (2) U Bolt Washer - 10 Inch - Quick-Align Type - Does 1...$24.21 -
BESTfit Poly Axle Connection Kit For SAF Holland / Neway
BESTFIT TRUCK PARTS
$530.99BESTfit Poly Axle Connection Kit - Axle Connection Kit - Consists Of - (4) Cap Screw 1-1/8 Inch-7 X 8-1/2 Inch - (4) Lock Nut 1-1/8 Inch - (8) Washer - (4) Torque Rod Poly Bushing - (8) Washer - Poly - Made...$530.99 -
BESTfit Air Spring Double Convoluted 7404, 2B12-410, 64492, S1345, S5468
BESTFIT TRUCK PARTS
$177.99Air Spring Double Convoluted Replacement - Air Spring - Dimensions: - Design Height- 9.50 Inch - Top Plate Diameter- 9.00 Inch - Top Plate C To C Diameter- 5.50 Inch - Load At 80 PSI- 4720 - Load At 100 PSI-...$177.99 -
BESTfit 3 Leaf Trailer Spring - 10000 Lbs. Capacity For Fruehauf
BESTFIT TRUCK PARTS
$210.99BESTfit Fruehauf Trailer Spring - 3 Leaves Replaces UCF004784001 - Trailer Spring - 3 Inch Width - 1 7/8 Inch Arch - 21 1/4 S.E./I.E. - Number Of Leaves- 3 - Capacity- 10000 Lbs. - Center Bolt Size- 1/2 X...$210.99 -
BESTfit Air Spring Triple Convoluted 8042, 3B12-322, 69747, R001015, 90557236 For Hendrickson Aux SAF Holland/Neway
BESTFIT TRUCK PARTS
$254.99Triple Convoluted Air Spring - Air Spring - Dimensions: - 18.9 Inch Maximum Height - 12.8 Inch Maximum Diameter - Triple Convoluted Design - 5400 Pounds At 80 PSI - 6800 Pounds At 100 PSI - 79 CPM -...$254.99 -
BESTfit Quick Align Concentric Collar For Hendrickson
BESTFIT TRUCK PARTS
$13.03Hendrickson Concentric Alignment Collar - Collar - 4 Inch - Concentric - Nipple In Center - Trailer And Lift - Quick-Align Type - Sold Individually - Warranty On Collars Against Defects In Workmanship & Material...$13.03 -
BESTfit Equalizer and Bolt Kit 1778401, 24366-01, 1629001 For Hutch
BESTFIT TRUCK PARTS
$100.97Replacement Equalizer and Bolt Kit - Equalizer - Consists Of: - (1) Equalizer - (1) Repair Kit - Made In USA - Sold Individually - Warranty On Equalizers Against Defects In Workmanship & Material From Date Of...$100.97 -
BESTfit Hex Cap Screw 3/8in -16 x 1 Inch Grade 8 - 2309440100 For Watson & Chalin
BESTFIT TRUCK PARTS
$1.01BESTfit Grade 8 Hex Cap Screw Replaces 2309440100 - Cap Screw - Dimensions: - 3/8 Inch Bolt Diameter - 1.0 Inch Bolt Length - Bolt Type- Hex Bolts - Thread- 16 - Grade- 8 - Sold Individually - Warranty On Cap...$1.01 -
BESTfit Pivot Connection Kit - SRK-64 For Watson & Chalin
BESTFIT TRUCK PARTS
$361.99BESTfit Pivot Connection Kit Replaces SRK64. SRK64W - Pivot Connection Kit - Consists Of - (2) Bolt 1-1/8 Inch-12 x 10-1/2 Inch - (4) Wear Pad - (2) Pivot Bushing - (2) 1-1/8 Inch Lock Nut - (4) 1-1/8 Inch U-Bolt...$361.99 -
BESTfit Air Spring Rolling Lobe 68151, 9807, W013589807 For Neway / Holland
BESTFIT TRUCK PARTS
$152.99Replacement Air Spring Rolling Lobe - Air Spring Rolling Lobe - Plastic - Dimensions: - Design Height- 8.50 Inch - Top Plate Diameter- 9.00 Inch - Top Plate C To C Diameter- 5.50 Inch - Min. Height- 4.50 Inch ...$152.99 -
BESTfit Air Spring Rolling Lobe 9978, 1R12-1179, 67588, AB1DK23I-P959 For Hendrickson Trailer
BESTFIT TRUCK PARTS
$159.99Replacement Air Spring Rolling Lobe - Air Spring Rolling Lobe - Plastic - Dimensions: - Design Height- 11.50 Inch - Top Plate Diameter- 9.00 Inch - Top Plate C To C Diameter- 5.50 Inch - Bottom Plate Diameter- 10...$159.99 -
BESTfit Air Spring Double Convoluted 7405, 2B12-313, 64494, 1038401
BESTFIT TRUCK PARTS
$231.99Air Spring Double Convoluted Replacement - Air Spring - Dimensions: - Design Height- 9.50 Inch - Top Plate Diameter- 9.00 Inch - Top Plate C To C Diameter- 5.50 Inch - Bottom Plate Diameter- 9.00 Inch - Bottom...$231.99