Western Star Constellation Truck Drivetrain Parts
Empower your truck with the leading Western Star Constellation Truck drivetrain lineup. Explore aftermarket camshafts, U-joint kits, and lift axle control panels at 4 State Trucks for an exceptional upgrade.
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Joint Spring Tab Kit - 211941X
AUTOMANN USA
$21.31Joint Spring Tab Kit Replaces 211941X * High Quality Joint Spring Tab Kit* Includes 8-73-114M Bolts* Torque 25-30 Lbs.* Sold Individually* Warranty On Joint Spring Tab Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$21.31 -
On Sale
Seal Input Shaft For Rockwell RD20145 - Replaces A1205R2592 & 100494
OPP - ORIGINAL PARTS PROGRAM
Now: $10.90Was: $41.94Seal Input Shaft * High Quality Seal Tail Shaft* For Rockwell RD20145* Replaces OEM # A1205R2592, 100494* Sold Individually* Warranty On Seal Input Shaft Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...Now: $10.90Was: $41.94 -
Seal Tail Shaft For Rockwell RD20145 - Replaces A1205P2590
OPP - ORIGINAL PARTS PROGRAM
$41.95Seal Tail Shaft * High Quality Seal Tail Shaft* For Rockwell RD20145* Replaces OEM # A1205P2590, 100495* Sold Individually* Warranty On Seal Tail Shaft Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$41.95 -
Seal Pinion For Rockwell RR20145 - Replaces A1205N2588
OPP - ORIGINAL PARTS PROGRAM
$52.37Seal Pinion * High Quality Seal Pinion* For Rockwell RR20145* Replaces OEM # A1205N2588, 100263* Sold Individually* Warranty On Seal Pinion Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...$52.37 -
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: $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...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...$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 -
Universal Joint Strap Kit For 1.625 Inch Bearing Cap
AUTOMANN USA
$10.99Universal Joint Strap Kit Fits Bearing Cap 1.625 Inch For SPL90/100 * High Quality Universal Joint Strap Kit* 3/8 Inch-24 x .75 Inch Length* Fits Bearing Cap 1.625 Inch* 2.312 Inch C/L to C/L* Crosses To OEM Strap And OEM Bolts* Sold Individually *...$10.99