Canon Mount Body (CB5-3129-000) – Front Body Cover & Lens Mount Assembly for EOS 5D Mark III

For camera repair technicians and advanced users servicing a Canon EOS 5D Mark III, this front body cover and lens mount assembly replaces a damaged or worn original part. It restores the camera's ability to securely attach EF lenses and maintain proper electronic communication.

Key specifications

• Compatible camera model: Canon EOS 5D Mark III
• Part type: Front body cover & lens mount assembly
• Lens mount type: Canon EF Mount
• Mount material: Stainless steel / magnesium alloy
• Body cover material: High-grade composite / plastic
• Electrical contacts: Yes (for lens communication)
• Weather sealing: Integrated (designed to maintain camera's weather resistance)
• Colour: Black
• Condition: New
• Manufacturer part number: CB5-3129-000

Why choose it

This assembly is built to Canon's original specifications, ensuring a precise fit and reliable performance. The integrated weather sealing helps preserve the camera's dust and moisture resistance, while the electrical contacts maintain full lens functionality.

Ideal use cases

• Replacing a cracked or broken lens mount on an EOS 5D Mark III
• Restoring a camera body with worn electrical contacts
• Professional repair of impact-damaged front assemblies

Good to know

Installation requires disassembly of the camera body and is recommended for professionals. Mounting screws are not typically included; reuse existing screws or purchase separately.