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Dana Spicer 5-3255X Universal Joint - Rear Driveshaft at Rear Axle
| Brand | Dana Spicer 5-3255X |
|---|---|
| Position | Rear Driveshaft at Rear Axle |
| Bearing Cap Diameter (1) | 1.125 |
| Bearing Cap Diameter (2) | 1.125 |
| Bearing Cap Diameter A (mm) | 28.6 |
| Bearing Cap Diameter B (mm) | 28.6 |
| Bearing Cap Type A | OSR/ISR |
| Bearing Cap Type B | OSR/ISR |
| Greaseable | Y |
| Length A (In) | 2.556 |
| Length A (mm) | 64.9224 |
| Length B (In) | 3.625 |
| Length B (mm) | 92.075 |
| Material | Steel |
| OEM Mfg | Cleveland |
| OEM Series | P55-55-675 |
| SR(1)Brng Cap to Brng Cap(OSR) | 2.556 |
| SR(2)Brng Cap to Brng Cap(OSR) | 3.625 |
| Snap Ring Included | Y |
| Snap Ring Type | External, Internal |
| Type | OSR/ISR Style |
| Product line | FSGR |
| Fits | Ford and Mercury · 2 vehicles |
Genuine Spicer design. Built with Dana engineering, testing, and manufacturing processes.
Steel construction. Durable universal joint with greaseable serviceability.
Snap rings included. External and internal rings are provided for installation.
Cross-references Karlyn 375, 2-3049 and DS53255X for the same application. See all 5.
Dana Spicer 5-3255X Universal Joint
The Dana Spicer 5-3255X is a greaseable universal joint built for the rear driveshaft at the rear axle on select 1979 Ford Thunderbird and 1979 Mercury Cougar applications. It uses steel construction, OSR/ISR style bearing caps, and included snap rings for a direct driveline service replacement.
Key Features
- Part number: 5-3255X
- Greaseable design for routine driveline maintenance
- Steel construction for driveline service applications
- OSR/ISR style with 1.125 in. bearing cap diameter on both sides
- Includes external and internal snap rings
- OEM series reference: Cleveland P55-55-675
- Cross-reference part numbers: 2-3049, UJ375
Product Details
Built under the Dana Spicer FSGR line, this universal joint reflects Dana engineering, testing, and manufacturing processes used to deliver consistent driveline performance. The 5-3255X is specified with 28.6 mm bearing cap diameters, 2.556 in. cap-to-cap length on one axis, and 3.625 in. cap-to-cap length on the other, making it a precise service part for the rear driveshaft at the rear axle. It is a direct replacement choice for 1979 Ford Thunderbird and 1979 Mercury Cougar driveline service where the original joint matches the listed dimensions and snap ring style.
Common Problems This Part Helps Address
- Driveline vibration from worn universal joint bearings
- Clunking or looseness in the rear driveshaft
- Need for a greaseable service joint during maintenance
- Wear-related driveline noise at the rear axle connection
- Replacement of a damaged or corroded U-joint in the driveshaft
Installation Notes and Tips
Verify bearing cap diameter, cap-to-cap length, and snap ring style before installation. This part uses external and internal snap rings and is greaseable, so align the joint correctly and service it with the proper lubricant after installation. Confirm the application matches the rear driveshaft at the rear axle on the vehicle before pressing the caps into place. Fits 1979 Ford Thunderbird, rear driveshaft at rear axle. Fits 1979 Mercury Cougar, rear driveshaft at rear axle.
Quality Assurance
Dana Spicer states that genuine Spicer parts are engineered, tested, and manufactured through an integrated process to maintain consistent performance in driveline service. The 5-3255X is built to those standards for OE-style replacement use.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1979 | Ford | Thunderbird | Rear Driveshaft at Rear Axle | Greaseable; with Inside Snap Rings; FSGR |
| 1979 | Mercury | Cougar | Rear Driveshaft at Rear Axle | Greaseable; with Outside Snap Rings; FSGR |
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