Brand:
Spicer – 6C-3X Universal Joint
$69.54
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Description
Direct replacement u-joint. 1.375″ cap, 1.688″ cap (secondary), 4.969″ width, 5.531″ width (secondary). COMBO retention, Greasable. SPICER. MECH- 6CX1550.
Full Description
U-joints don't fail suddenly. They telegraph it for weeks: a clunk at low speed, vibration that shows up above 45, rust bleeding from the cap faces. The Spicer - 6C-3X Universal Joint ends that.
The 1550X6C series runs a varies cap diameter across a varies width — built for multi-application use. It's the standard cross on fits multiple series/platforms — verify dimensions.
Combination OSR/ISR retention (COMBO): Joint accommodates both outside and inside snap ring yokes — typically used in conversion applications where yoke styles differ side to side.
Greasable with standard chassis grease — service every 30,000–50,000 miles for best longevity. Use a quality CV/chassis grease, not wheel bearing grease.. Dimensions: 1.375" cap, 1.688" cap (secondary), 4.969" width, 5.531" width (secondary). MECH- 6CX1550. Confirm fitment by measuring your existing joint — series designation alone isn't always enough on modified or swapped vehicles.
Key Features
- Cap diameter: 1.375" cap diameter / 1.688" (secondary) — must match yoke bore exactly for correct seating
- Width: 4.969" overall width / 5.531" (secondary) — verify against yoke ear spacing
- Combination OSR/ISR (COMBO) retention — Match retention type to each yoke individually.
- Greasable — greasable — zerk fitting included
- Series: 1550X6C — multi-application
- Spicer-built — OEM supplier to major domestic manufacturers, forged not cast
- Note: MECH- 6CX1550
Specifications
- SKU: 6C-3X
- Brand: SPICER
- Series: 1550X6C
- Cap Diameter: 1.375" / 1.688"
- Width: 4.969" / 5.531"
- Style: Combination OSR/ISR (COMBO)
- Greasable: Greasable
- Notes: MECH- 6CX1550
Additional information
| Brand |
SPICER |
|---|---|
| Cap dia 1 |
1.375 |
| Cap dia 2 |
1.688 |
| Lube |
Y |
| Notes |
MECH- 6CX1550 |
| Partn number |
6C-3X |
| Series |
1550X6C |
| Style |
COMBO |
| Width 1 |
4.969 |
| Width 2 |
5.531 |
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