Brand: 
Slip Yoke Series: 2351-21, Splines: 1.5×16, CJ to END: 8″ SY1351-21 – UDS
$70.86
29 in stock
Description
Part SY1351-21U is a 2351-21 series slip yoke from Universal Driveshafts, engineered to OEM tolerances for reliable drivetrain performance. In stock and available for fast shipping.
Full Description
Replacement Slip Yoke SY1351-21U -- Precision-Matched for 2351-21 Series Builds
Slip yokes accommodate driveshaft length changes as the suspension cycles. The SY1351-21U is a 2351-21 series slip yoke with a 1.500-inch spline and 16 splines, engineered for smooth axial movement under load without binding or excessive backlash. Whether this is a straightforward OEM replacement or a component in a custom driveshaft assembly, the SY1351-21U provides a dimensionally verified starting point rather than a catalog guess.
Specification Detail
| Specification | Value |
|---|---|
| Series | 2351-21 |
| Splines Count | 16 |
| Splines Dia | 1.500 |
| Material | Steel |
| Brand | UDS |
| Part Number | SY1351-21U |
Sourcing a Slip Yoke: What to Cross-Reference
When replacing a slip yoke, the safest approach is to cross-reference the part number stamped on the original. If that number has been superseded or the original part is missing, the critical dimensions are 16 splines at 1.500-inch diameter. Match these to the values in the specification table above. All other details -- material grade, surface finish, cap bore size -- are built into the 2351-21 series designation and will be correct if the key dimensions match.
Assembly Reminders
- Never use a hammer directly on the yoke body -- use a brass drift or press for cap installation
- Snap ring grooves must be clean and undamaged for the circlip to seat at full depth
- Confirm 2351-21 series cap OD before pressing -- an undersized cap will not carry load correctly
- Check transmission output shaft seal condition -- a failing seal will contaminate the new yoke quickly
- Verify 16 splines at 1.500-inch diameter with calipers after assembly, before road test
Note: Use Part Number SA2351-21 For A Slip assembly Set Option
Universal Driveshafts stocks the SY1351-21U for immediate shipment. Packaging protects finished surfaces during transit.
Additional information
| Series | 2351-21 |
|---|---|
| Splines count | 16 |
| Splines dia | 1.500 |
| Notes | Use Part Number SA2351-21 For A Slip assembly Set Option |
| Brand | UDS |
| Center u joint to end | 8.000 |
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| Slip Yoke (100) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 | 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
