3104-25 – End Yoke – 1.085″ Splines Dia – 25 Spline
$94.39
0 in stock
Description
3104-25 — 1310 Series end yoke with 1.085-inch spline bore, 1.521-inch hub, and UB snap ring retention. Drop-in replacement for 1310 Series output shafts — GM 8.2.
Full Description
A worn or damaged end yoke is one of the most common causes of driveline vibration and U-joint failure -- yet it's often overlooked during diagnosis. The 3104-25 from UDS provides a direct, properly dimensioned replacement for 1310 Series applications, specifically engineered for GM 8.2, restoring the tight tolerances that eliminate vibration at the source.
The Problem: Worn Yoke Geometry
When end yoke bores wear oval or the snap ring groove erodes, U-joint caps begin to rock in their seats. This produces a clicking or clunking noise at low speed, a vibration that tracks with vehicle speed, and -- in severe cases -- catastrophic U-joint ejection. The 3104-25 replaces the worn geometry with new machined surfaces: 1.085" spline bore, 1.521" hub diameter, bearing bores held to 1310 Series tolerances.
| Specification | Value |
|---|---|
| Series | 1310 Series |
| Spline Diameter | 1.085" |
| Spline Count | 25 |
| Hub Diameter | 1.521" |
| Center U-Joint to End | 2.875" |
| Through Hole Diameter | 1.500" |
| Snap Ring Style | UB |
| Application Note | GM 8.2 |
| Brand | UDS |
Specifications That Guarantee Fit
Precision fit starts with matching three numbers: spline count, spline diameter, and snap ring style. The 3104-25 is built to the following dimensions -- verify each against your output shaft before ordering.
Long-Term Reliability
The UDS manufacturing process subjects each yoke to dimensional inspection before shipment. Bearing bore roundness, spline form, and hub diameter are checked against 1310 Series master gauges. The result is a yoke that installs without hammering, retains U-joint caps securely under high-cycle loading, and seals against output shaft oil seals without leaking.
- Through hole: 1.500" -- clears internal shafts and cables
- Center U-joint to end: 2.875" -- maintains correct driveshaft length
- Snap ring style: UB -- matches OEM retention method
- Drop-in replacement -- no machining required
Part 3104-25 is a UDS product. Universal Driveshafts stocks a complete range of 1310 Series end yokes, U-joints, and driveshaft components. Contact our technical team for fitment assistance.
Additional information
| Cj to end | 2.875 |
|---|---|
| Hub dia | 1.521 |
| Notes | GM 8.2, U BOLT PART NUMBER: 2-94-28 |
| Partn number | 3104-25 |
| Series | 1310 |
| Splines count | 25 |
| Splines dia | 1.085 |
| Style | UB |
| Through hole | 1.500″ |
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 | Bore type splined Cj to end 2.50 Hub dia 1.62 Keyway N/A Series 1000 Through hole 1.20 Bore dia 1.125 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Cj to end 2.50 Hub dia 2.25 Partn number 10-4-143 Bore dia 1.125 Bore type round Keyway GAP - 0.25 Brand UDS Splines count N/A Style ISR Series 1000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Bore type round Cj to end 2.50 Hub dia 1.62 Keyway GAP - 0.25 Series 1000 Through hole 1.20 Bore dia 938 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Cj to end 2.900" Hub dia 1.342 Notes USED ON 2 PCS SHAFT FOR SUBARU TO REPLACE THE CENTER CV SECTION Partn number 1204-241U Series 1251 Splines count 22/24 Splines dia 995 Style SR Through hole 1.300" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Cj to end 3.312 Hub dia 1.445 Notes USED ON 2 PCS SHAFT FOR SUBARU TO REPLACE THE CENTER CVJ SECTION Partn number 1204-261U Series 1251 Splines count 24/26 Splines dia 1.115 Style SR Through hole 1.300" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Cj to end 6.200" Hub dia 3.819 Partn number 131446KS Series SPL250 Splines count 49 Splines dia 2.544 Style BS Through hole 2.672 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Cj to end 2.750" Hub dia 1.420" Notes FITS STUB: 1453-232 OR 3053-233 Partn number 1404-22 Series 1100 Splines count 22/23 Splines dia 0.990" Style SR Through hole 1.360" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Cj to end 3.250" Hub dia 1.420" Notes FITS STUB: 1453-232 OR 3053-233 Partn number 1404-231 Series 1100 Splines count 22/23 Splines dia 0.990" Style SR Through hole 1.800" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Cj to end 3.265 Hub dia 1.416 Notes USED ON MERKUR SHAFTS Partn number 1404-261 Series 1100 Splines count 26 Splines dia 1.129 Style SR Through hole 1.824 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Cj to end 5.590" Hub dia 2.879 Notes COUPLING SHAFT YOKE Partn number 170-4-1271-1 Series SPL170 Splines count 46 Splines dia 2.390" Style BS Through hole 2.750" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
