Western Star Trucks
Looking for Western Star truck parts? At 4 State Trucks, you'll find everything from durable replacements to custom accessories for your rig. Explore and find the perfect parts for your Western Star truck today!
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On Sale
Nut For Input Shaft Rockwell RD20145 - Replaces KIT2638
OPP - ORIGINAL PARTS PROGRAM
Now: $9.00Was: $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 Replacement Part (Not...Now: $9.00Was: $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 Purchase*** High...$20.41 -
Flanged Locking Nut For Pinion RSP40-404
AUTOMANN USA
$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 Purchase***...$17.98 -
Flanged Locking Nut For Rear Output Shaft
AUTOMANN USA
$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 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 -
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 -
Glad Hand Blue Service Angled With Quick Release Bottom Port
OPP - ORIGINAL PARTS PROGRAM
$35.89Glad Hand Blue Service Angled With Quick Release * Made Of High Quality Aluminum* Blue For Service Side* 3/8 Inch Female Pipe Thread Bottom Port* 38 Degree Angle Surface Mount* Trailer Brakes Are Released Up To 50% Faster Than With Conventional Methods*...$35.89 -
On Sale
Glad Hand Blue Service Angled With Quick Release Rear Port
AFTERMARKET
Now: $16.85Was: $39.19Glad Hand Blue Service Angled With Quick Release * Made Of High Quality Aluminum* Blue For Service Side* 3/8 Inch Female Pipe Thread Rear Port With Filter Screen* 38 Degree Angle Surface Mount* Trailer Brakes Are Released Up To 50% Faster Than With...Now: $16.85Was: $39.19 -
16.5 X 7 Inch Brake Shoe Kit 4709ES Plus
AFTERMARKET
$113.99Brake Shoe Kit / No Cores Required * High Quality Brake Shoe Kit 4709ES Plus* Contains 2 Shoes And 1 Hardware Kit* Shoes Have 23K Standard Lining* Sold As Kit *** High Quality Aftermarket Replacement Part (Not OEM)**** This Item Is Special Order. This...$113.99