S4-3-2361X – Slip Yoke – 1550 Series – 2.500″ Splines Dia – Center U Joint To End 4.453
$363.78
+50 in stock
Description
S4-3-2361X slip yoke, 1550 series, 16 splines at 2.500″ bore diameter, 4.453″ center-to-end. Direct replacement for transmission output shaft interface.
Full Description
Getting the right slip yoke requires verifying both spline profile and U-joint series before installation. The S4-3-2361X is a 1550 series slip yoke with 16 splines and 2.500" bore diameter, designed for Spicer and compatible with standard 1550 series U-joint crosses and yokes.
Fitment Verification Guide
Before ordering a slip yoke, gather three measurements from the existing unit or your transmission shaft: spline tooth count, pitch diameter, and the center-of-U-joint to yoke-end distance. For the S4-3-2361X, those values are 16 teeth, 2.500" diameter, and 4.453" center-to-end. A mismatch on any of these dimensions means this is not the correct part for your application.
Specifications Table
| Measurement | Value |
|---|---|
| SKU | S4-3-2361X |
| Series | 1550 |
| Number of Splines | 16 |
| Spline Pitch Diameter | 2.500" |
| Center U-Joint to End | 4.453" |
| Application | Spicer |
Material and Construction
Slip yokes must handle both torsional and bending loads at the U-joint cross. The S4-3-2361X is forged from medium-carbon alloy steel and heat-treated to balance hardness with toughness. Yoke ears are machined to close tolerance for the 1550 series bearing cup diameter, ensuring the U-joint cross seats without rocking in the bores.
Installation Notes
- Clean and inspect the transmission output shaft splines for deformation before installation
- Slide the S4-3-2361X onto the output shaft and confirm it moves freely with only slight resistance
- Insert the U-joint cross into the yoke ears; verify bearing cups seat flush
- Install snap rings; confirm each ring snaps into its groove completely
- Check phasing of front and rear U-joints -- they must be in phase for smooth operation
Parts and Support
Universal Driveshafts carries 1550 series slip yokes, companion yokes, crosses, and complete driveshaft assemblies. The S4-3-2361X is in stock for fast delivery. Use our live chat or call us to confirm fitment with your vehicle data.
Additional information
| Center u joint to end | 4.453 |
|---|---|
| Notes | Spicer |
| Partn number | S4-3-2361X |
| Series | 1550 |
| Splines count | 16 |
| Splines dia | 2.500 |
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 | Center u joint to end 9.681 Notes Spicer Partn number 100-3-41X Series SPL100 ⋅ SPL90 Splines count 29.30 Splines dia 1.965 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 9.000 Series 1351-20 Splines count 16 Splines dia 1.500 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 7.500 Notes Does not fit all Toyota OEM 20 spline stubs. Toyota truck Partn number 1303-20 Series 1351-20 Splines count 20 Splines dia 1.310 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 9.875 Notes Toyota truck/Land Cruiser This part is only sold in Kit 1343-20L Partn number 1303-20L Series 1351-20 Splines count 20 Splines dia 1.310 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 6.00 Notes Toyota Land Cruiser Partn number 1303-21 Series 1351-20 Splines count 20 Splines dia 1.310 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 4.313 Notes brisitish imports Partn number 1403-16 Series 1100 Splines count 16 Splines dia 1.063 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 5.375 Partn number 1703-16 Series 1751 Splines count 16 Splines dia 1.063 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 8.016 Series 1210 Splines count 16 Splines dia 1.250 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 5.375 Notes short slip yoke. Used on industrial shafts. Partn number 2-3-128kx Series 1310 Splines count 16 Splines dia 1.375 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | Center u joint to end 5.375 Notes short slip yoke. Used on industrial shafts. Partn number 2-3-128kx Series 1310 Splines count 16 Splines dia 1.375 Brand SPICER | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
