Description
Genuine SPICER Series 12 C universal joint 5-12111X with 3.326″ bearing cups and greaseable lubrication for reliable driveshaft performance.
Precision starts with the right cross kit. The 5-12111X SPICER universal joint addresses Series 12 C driveshaft rebuilds with engineered-tight tolerances on its 3.326" bearing cups. A grease fitting for field maintenance rounds out the specification, giving technicians a part that installs to spec and stays in spec through extended service intervals.
Technical Specifications -- 5-12111X
| Specification | Value |
|---|---|
| Part Number | 5-12111X |
| Brand | SPICER |
| Series | 12 C |
| Cap Diameter (End 1) | 3.326" |
| Width / Span (End 1) | 11.374" |
| Lubrication | Greaseable |
| Retention Style | WB |
| Notes / Cross-Reference | HWD / HWD |
Dimensional Compatibility
The 5-12111X is dimensionally compatible with all standard Series 12 C yokes featuring 3.326"-diameter bore and the WB snap-ring groove pattern. Confirm that both the transmission-side and axle-side yokes specify Series 12 C to ensure correct bearing cup engagement depth and adequate retaining ring seating.
Grease Specification & Inspection
The 5-12111X includes a grease fitting (Zerk) at the center cross, allowing lubrication with standard NLGI #2 moly or lithium-complex grease. Purge old grease at each fitting until fresh grease appears at all four bearing caps. For on-highway applications, re-grease intervals of 5,000 miles or 3 months are typical; off-road and severe-duty applications warrant shorter intervals. Avoid over-pressurizing the fitting to prevent seal extrusion.
Interchange & OEM Equivalents
Factory application note for 5-12111X: HWD / HWD. Verify this cross-reference against the vehicle or equipment build sheet when substituting for an OEM part number. When replacing a worn joint, inspect the yoke ears for wear, the snap-ring grooves for deformation, and the bearing bore for out-of-round condition before installing the new assembly.
- Torque all u-bolt or strap bolts to specification after installation
- Balance the driveshaft assembly if replacing the joint on a high-speed shaft
- Use a press or dedicated cross-kit installation tool to prevent bearing cup misalignment
- Do not strike the cross with a hammer once bearing cups are seated
Why Source 5-12111X from Universal Driveshafts?
Universal Driveshafts stocks a comprehensive range of Spicer and UDS cross kits to minimize downtime for fleet operators, OEM rebuilders, and off-road enthusiasts. The 5-12111X ships from inventory with no minimum-order requirements. Each joint is packaged to protect bearing cup surfaces and snap rings during transit. Our technical team can assist with cross-referencing legacy part numbers and identifying the correct series upgrade when upgrading to a heavier-duty joint family.
| Brand | SPICER |
|---|---|
| Cap dia 1 | 3.326 |
| Lube | Y |
| Notes | HWD / HWD |
| Partn number | 5-12111X |
| Series | 12 C |
| Style | WB |
| Width 1 | 11.374 |
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