Description
3-4-6561-1 end yoke — 1410 series, BS style. 1.500″ x 10 spline. Hub: 1.812″. CJ-to-end: 3.719″. Through hole: 2.000″.
10-spline end yokes are far less common than 16 or 32-spline patterns and appear on specific axle pinion shafts in certain light truck and 4WD transfer case applications. The 3-4-6561-1 runs the 1410 series U-joint with a BS (ball-stud or banded-snap) retention style.
At 1.500" bore diameter and only 10 splines, this yoke is designed for a coarse, high-torque spline interface. The 1.812" hub diameter is smaller than many 1410 yokes, indicating a compact pinion shaft journal. The 3.719" CJ-to-end is a standard length for differential end applications.
| Attribute | Value |
|---|---|
| Part Number | 3-4-6561-1 |
| Series | 1410 |
| Style | BS |
| Spline Bore | 1.500" |
| Spline Count | 10 |
| Hub Diameter | 1.812" |
| CJ-to-End | 3.719" |
| Through Hole | 2.000" |
Count the splines on your pinion or output shaft before ordering. A 10-spline shaft is distinct from the much more common 16 or 32-spline patterns used on most domestic axles. Substituting the wrong count will result in no engagement. The 2.000" through hole must clear your pinion nut head or any end fitting that passes through the yoke bore.
All end yokes by series.
| Cj to end | 3.719 |
|---|---|
| Hub dia | 1.812 |
| Partn number | 3-4-6561-1 |
| Series | 1410 |
| Splines count | 10 |
| Splines dia | 1.500″ |
| Style | BS |
| Through hole | 2.000″ |
| Brand | UDS |
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