GMB 230-3012 Universal Joint - Rear Shaft All Joints or Rear Shaft Rear Joint

GMB 230-3012 Universal Joint

The GMB 230-3012 universal joint is an OEM Standard driveline replacement built for service on classic Cadillac applications. It is manufactured to meet or exceed OEM specifications and features a greasable, pre-greased wing-style design for routine driveline maintenance.

Key Features

• Part number: 230-3012
• Universal joint, wing style
• OEM Standard item grade
• Chrome-molybdenum steel cross material
• 1.1300 in bearing cap diameter on Axis 1
• Machined bearing cap finish
• Greasable with grease zerks included
• Pre-greased for initial service
• Nitrile rubber seals with rubber seal finish
• Winged snap ring type

Detailed Description

This GMB universal joint is built for driveline service where a precise OE-style replacement is needed. The chrome-molybdenum steel cross, machined bearing caps, and nitrile rubber sealing components support consistent operation in the drive shaft assembly. The 230-3012 is a direct-fit style replacement for select Cadillac Commercial Chassis, DeVille, and Eldorado rear shaft applications, including rear joint and all-joints positions listed in the fitment data.

This part cross-references Monroe Shocks & Struts 33202 for the same application. It also cross-references MOOG Driveline Products 531G for the same application.

Vehicle Fitment

• Fits 1950-1956 Cadillac Commercial Chassis, Rear Shaft Rear Joint
• Fits 1950-1956 Cadillac Commercial Chassis, Rear Shaft All Joints
• Fits 1953-1956 Cadillac DeVille, Rear Shaft All Joints
• Fits 1953-1956 Cadillac DeVille, Rear Shaft Rear Joint
• Fits 1953-1956 Cadillac Eldorado, Rear Shaft All Joints
• Fits 1953-1956 Cadillac Eldorado, Rear Shaft Rear Joint

What It Helps Solve

• Driveline vibration from worn universal joint bearings
• Clunking or looseness in the drive shaft
• Grease loss at the joint due to aging seals
• Service issues on greaseable rear shaft joints
• Replacement needs for Cadillac Commercial Chassis, DeVille, and Eldorado driveline service

Installation Notes and Tips

Verify bearing cap diameter, snap ring style, and driveline configuration before installation. This wing-style joint uses a greasable design, so align the grease fitting for future service access and follow the vehicle service procedure for proper driveline assembly. Confirm the application against the rear shaft rear joint or rear shaft all joints position listed for your Cadillac.

Quality Assurance

GMB manufactures this universal joint to meet or exceed OEM specifications and supplies it as an OEM Standard replacement part. The pre-greased construction and chrome-molybdenum steel cross are selected for dependable driveline service in the specified Cadillac applications.