Clevite CB-780A-.50MM(4) Engine Connecting Rod Bearing Set

Clevite Connecting Rod Bearing Set for Volkswagen

Clevite CB-780A-.50MM(4) is an OE replacement engine connecting rod bearing set for Volkswagen air-cooled applications. It uses a bi-metal aluminum design with 100% lead-free aluminum silicon and a .50 mm undersize specification for engines that require matched journal clearance.

Key Features

• OE Replacement bearing grade for factory-style service fitment
• Bi-metal aluminum construction with lead-free aluminum silicon
• 60% more silicon than comparable competitive replacements for improved journal surface conditioning
• Greater seizure resistance and wear resistance for demanding engine use
• Size: 0.50 mm undersize
• Series A bearing design
• Meets or exceeds original equipment manufacturer specifications

Detailed Description

Built for Volkswagen Beetle and Volkswagen Vanagon engine rebuilds, Clevite CB-780A-.50MM(4) is engineered for applications that call for an undersize connecting rod bearing with OE-style dimensions and performance. The aluminum silicon bearing material is selected to support journal conditioning while helping maintain durability under load. For builders searching for a Volkswagen Beetle connecting rod bearing set or a Volkswagen Vanagon .50 mm undersize rod bearing, this part number provides a direct OE replacement solution.

The CB-780A-.50MM(4) part number is associated with Clevite’s A Series aluminum bearing line and is intended for engines that need precise bearing clearance after crankshaft machining. If you are sourcing Clevite CB-780A-.50MM(4) for a Volkswagen Beetle or Volkswagen Vanagon rebuild, the fitment and material specification make it a practical choice for restoration and repair work.

What It Helps Address

• Excessive rod bearing clearance after crankshaft undersizing
• Journal wear from aged or previously machined engine components
• Loss of oil film stability at the connecting rod journals
• Seizure risk caused by worn bearing surfaces
• Need for an OE-style replacement during engine overhaul

Installation Notes and Tips

• Verify crankshaft journal size before installation; this bearing is .50 mm undersize.
• Measure oil clearance during assembly and confirm bearing-to-journal fit.
• Inspect connecting rods, crankshaft journals, and oil passages before final assembly.
• Use proper engine assembly lubricant and follow factory torque procedures.
• Confirm application details for 1954-1979 Volkswagen Beetle and 1983-1991 Volkswagen Vanagon before ordering.

Quality Assurance

Clevite states that this bearing meets or exceeds original equipment manufacturer specifications. The bi-metal aluminum construction and lead-free aluminum silicon material are engineered for durability, wear resistance, and consistent service in rebuild applications.