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Moog 423 Universal Joint - At Center Bearing, At Rear Axle or At Transmission
Moog Universal Joint 423 Overview
The Moog 423 universal joint is engineered for driveline and axle applications requiring reliable rotational movement and durability. Designed with greaseable, 4 grooved round bearings, this U-joint supports smooth operation and extended service life in various vehicle models.
- Greaseable design with regular lube fitting in cross for easy maintenance
- 4 grooved round bearing caps ensuring secure fit and smooth rotation
- Bearing cap diameters approximately 1.188 inches (30.1-30.2 mm)
- Length measurements of 2.563 inches (65.1 mm) from outside groove to outside groove
- Compatible with Cleveland R55 OE series specifications
Technical Specifications and Features
The Moog 423 universal joint features precision-engineered bearing caps with round grooves, measuring 1.188 inches in diameter on both axes. The length from outside groove to outside groove is 2.563 inches (65.1 mm), matching OE Cleveland R55 series dimensions. This U-joint includes a regular lube fitting located in the cross, allowing for routine lubrication to maintain optimal performance. The greaseable design helps reduce wear and extends the lifespan of the driveline component. Both bearing types A and B are round grooved, providing consistent fitment and rotational stability.
Applications and Problem Solving
- Replaces worn or damaged universal joints in driveline and axle assemblies
- Addresses driveline vibrations caused by failing U-joints
- Restores smooth rotational movement in vehicles with Cleveland R55 series components
- Prevents premature bearing wear through greaseable design
- Suitable for vehicles requiring 4 grooved round bearing U-joints with 2.563 inch length
Installation Notes and Tips
When installing the Moog 423 universal joint, ensure the bearing caps are properly seated in the yoke to avoid misalignment. Use the grease fitting to lubricate the cross after installation and periodically during maintenance intervals. Verify that the U-joint matches the Cleveland R55 OE series specifications for your vehicle to ensure compatibility. Proper torque specifications should be followed to prevent premature wear or failure.
Quality Assurance and Warranty
Moog universal joints are manufactured to meet or exceed OE standards, providing reliable performance in demanding driveline applications. The 423 part number is backed by Moog's quality control processes, ensuring durability and fitment accuracy. While specific warranty details are not provided here, Moog typically offers coverage against defects in materials and workmanship.
| Brand | Moog |
| Part Number | 423 |
| Length Axis 1 | 2.563 |
| Length Axis 1 | 65.1 |
| Length Axis 2 | 2.563 |
| Length Axis 2 | 65.1 |
| Bearing Cap Type | 4 grooved round bearings |
| Greaseable | Yes |
| Bearing Cap Axis 2 Diameter | 1.188 |
| Bearing Cap Axis 2 Diameter | 30.1 |
| Bearing Cap Axis 1 Diameter | 1.188 |
| Bearing Cap Axis 1 Diameter | 30.2 |
| Bearing Diameter A - Inch | 1.188 |
| Bearing Diameter A - mm | 30.2 |
| Bearing Diameter B - Inch | 1.188 |
| Bearing Diameter B - mm | 30.1 |
| Bearing Type A | Round grooved |
| Bearing Type B | Round grooved |
| Image | Ujoint_4grooved.tif |
| Length A - Inch | 2.563 |
| Length A - mm | 65.1 |
| Length B - Inch | 2.563 |
| Length B - mm | 65.1 |
| Length Measurement A | Outside of groove to outside of groove |
| Length Measurement B | Inside of groove to inside of groove plus thickness of 2 lock rin |
| Lube Fitting Location | Regular lube fitting in cross |
| Lubricateable | Yes |
| OE Series | Cleveland r55 |
| U-Joint Identification | 4 grooved round bearings |
This part fits 0 vehicles. Search below:
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* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.