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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Nut For Pinion & Tail Shaft Rockwell RD-RR2014 - Replaces KIT2637
OPP - ORIGINAL PARTS PROGRAM
$20.89Nut Pinion And Tail Shaft * High Quality Nut Pinion And Tail Shaft* For Rockwell RD-RR2014* Replaces OEM # KIT2637* Sold Individually* Warranty On Nut Pinion And Tail Shaft Against Defects In Workmanship & Material From Date Of Purchase***...$20.89 -
On Sale
Nut For Input Shaft Rockwell RD20145 - Replaces KIT2638
OPP - ORIGINAL PARTS PROGRAM
Now: $13.63Was: $27.27Nut Input Shaft * High Quality Nut Input Shaft* For Rockwell RD20145* Replaces OEM # KIT2638* Sold Individually* Warranty On Nut Input Shaft Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...Now: $13.63Was: $27.27 -
Locking Nut For Input Shaft DSP40-404
OPP - ORIGINAL PARTS PROGRAM
$20.41Locknut Input Shaft * High Quality Nut Flanged Lock Output Shaft* Rear Input Shaft For Eaton DSP40-404* Replaces OEM # 128049* Sold Individually* Warranty On Locknut Input Shaft Against Defects In Workmanship & Material From Date Of...$20.41 -
Flanged Locking Nut For Pinion RSP40-404
OPP - ORIGINAL PARTS PROGRAM
$17.98Nut Flanged Lock Pinion * High Quality Nut Flanged Lock Output Shaft* Rear Output Shaft For Eaton RSP40-404* Replaces OEM # 127589* Sold Individually* Warranty On Nut Flanged Lock Pinion Against Defects In Workmanship & Material From Date Of...$17.98 -
Flanged Locking Nut For Rear Output Shaft
OPP - ORIGINAL PARTS PROGRAM
$18.77Nut Flanged Lock Rear Output * High Quality Nut Flanged Lock Output Shaft* Rear Output Shaft For Eaton DSP40-404* Replaces OEM # 127588* Sold Individually* Warranty On Nut Flanged Lock Output Shaft Against Defects In Workmanship & Material From Date Of...$18.77 -
Oil Seal Rear Output Shaft
OPP - ORIGINAL PARTS PROGRAM
$104.99Oil Seal Rear Output Shaft * High Quality Oil Seal Rear Output Shaft* Replaces OEM # 127592* Sold Individually* Warranty On Output Shaft Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...$104.99 -
Oil Seal Differential Input Shaft For Eaton DSP & RSP40-404 - Replaces 127591
OPP - ORIGINAL PARTS PROGRAM
$46.89Oil Seal Differential Input Shaft * High Quality Oil Seal Differential Input Shaft* Replaces OEM # 127591* Sold Individually* Warranty On Input Shaft Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...$46.89 -
Jost 5th Wheel Top Plate Replaces Holland 5th Wheel Plate FW8, FW2000,FW3501,FW17,FW2500,FW35,FW253
JOST
$1,329.995th Wheel Top Plate Fits Holland * High Quality 5th Wheel Top Plate* Sold Individually* Warranty On 5th Wheel Top Plates Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***** Replaces...$1,329.99 -
Jost 5th Wheel Top Plate Replacement - JSK37USL
JOST
$1,699.995th Wheel Top Plate * High Quality Cast 5th Wheel Top Plate* Left Hand Release* 50,000 lbs Vertical Load * 150,00 lbs Drawbar Pull* Top Plate With Standard Lube SurfaceFeatures And Benefits* Feature-Locking Bar Engages Regardless Of Adjustment -...$1,699.99 -
JOST 5th Wheel Adjusting Screw
JOST
$86.695th Wheel Adjusting Screw * High Quality 5th Wheel Adjusting Screw* Sold Individually* Warranty On 5th Wheel Adjusting Screw Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)**** This...$86.69 -
On Sale
Silver Road Shock With Big 1.75 Inch Bore Replaces B71-6012, C71-1002 For Flex Air Suspension
AFTERMARKET
Now: $88.50Was: $176.99Silver Road Shock Fits Flex Air Suspension Applications * High Quality Shock* Fits Flex Air Suspension Applications* Big 1.75 Inch Bore* Delivers More Control Force* Improved Ride And Stability* Longer Tire Life Than Standard Shocks* Sold...Now: $88.50Was: $176.99 -
CSM Frame Pinch Bar For Deck Plate Mounting
CHROME SHOP MAFIA
$26.31Frame Pinch Bar For Deck Plate Mounting By Chrome Shop Mafia * High Quality Frame Pinch Bar * Made Of Aluminum* Dimensions: - 1/4 Inch Thick - 32 Inch Length - 2 Inch Width* Used For Mounting - Deck Plates - Center Light Panels - Various Frame Mount...$26.31