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4-3-1431KX Slip Yoke 1550 Series, Splines: 1.750×16 , Centerline To End: 10.062
$90.94
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Description
4-3-1431KX UDS 1550 series slip yoke. 1.750″ diameter x 16-spline bore, 10.062″ CJ-to-end. Includes lube fitting 500168-2 and plug 4-68-143. The 1550 series sits above 1480 in torque capacity — verify stop shaft has 1.750″x16 splines.
Full Description
4-3-1431KX -- UDS 1550 Series Slip Yoke, 1.750"x16 Spline, 10.062" Centerline-to-End
The 1550 series occupies a specific position in the driveshaft torque hierarchy: above 1480 (1.375" caps), below 1610 (1.875" caps). It's not a common series in light trucks -- you'll find 1550 primarily in medium-duty commercial trucks, heavy vans, large SUVs like Suburban and Excursion with high-GVWR axle packages, and some Class 3-4 chassis cab applications. If you're ordering a 4-3-1431KX, you already know you need 1550 -- but double-check the stop shaft: the 1.750-inch diameter 16-spline profile is specific to this series and will not engage a 1480 stop shaft (1.500" / different spline count) or a 1610 stop shaft.
The 10.062-inch centerline-to-end is a long slip yoke, giving substantial telescoping range for applications with significant suspension travel or driveshaft length variation. Lube fitting 500168-2 installs in the yoke to grease the spline bore during service intervals; plug 4-68-143 seals the fitting when not in service. Both should be present and serviceable -- a dry spline bore wears rapidly under the side-loading that occurs as the driveshaft angles change during chassis movement.
- Part Number: 4-3-1431KX
- Brand: UDS
- Series: 1550
- Spline Bore: 1.750" diameter x 16 splines
- CJ to End: 10.062"
- Lube Fitting: 500168-2
- Plug: 4-68-143
Browse Slip Yokes across 1310, 1350, 1410, 1480, 1550, and heavy-duty series.
Additional information
| Center u joint to end | 10.062 |
|---|---|
| Notes | Slip yoke plug 4-68-143, Lube fitting 500168-2 |
| Partn number | 4-3-1431KX |
| Series | 1550 |
| Splines count | 16 |
| Splines dia | 1.750″ |
| Brand | UDS |
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