This genuine left-configuration piston is engineered specifically for Bitzer 4NES series refrigeration compressors. With a precise 70mm bore size and manufactured to original equipment specifications, it guarantees perfect compatibility and reliable performance in demanding refrigeration applications.
Original Design Compliance: Manufactured to Bitzer's exact engineering specifications
Precision Bore Size: 70mm diameter ensures perfect cylinder fit
Left Configuration: Specifically designed for left-side installation in 4NES series compressors
Premium Materials: High-strength aluminum alloy with advanced surface treatment
Optimized Weight Distribution: Maintains compressor balance and reduces vibration
Part Type: Compressor Piston (Left Configuration)
Compressor Series: Bitzer 4NES
Bore Diameter: 70mm ±0.01mm
Configuration: Left Side
Material: High-Grade Aluminum Alloy
Weight: Matches OEM specifications (±2%)
Surface Finish: Precision honed for optimal oil retention
Industrial refrigeration systems
Commercial freezing applications
Food processing and storage facilities
Chemical processing cooling systems
HVAC-R service and maintenance
Compatible With:
Bitzer 4NES series compressors
Models requiring 70mm bore size
Left-side piston replacement
Confirm compressor model number
Verify bore size requirements
Check configuration (left/right)
Restores original compression efficiency
Reduces energy consumption
Minimizes piston-cylinder wear
Maintains proper oil circulation
Ensures consistent cooling capacity
Always replace in matched sets when required
Inspect cylinder wall condition before installation
Use manufacturer-recommended assembly lubricants
Verify clearances per service manual specifications
Replace related wear components simultaneously
100% dimensional verification
Material certification available
OEM performance validation
Batch traceability maintained
Q: How do I confirm this is the correct piston for my compressor?
A: Verify your compressor's model number, bore size, and specific configuration (left/right) from the unit's nameplate.
Q: Is this piston sold individually or in sets?
A: This piston is sold individually as a left-configuration unit. Please verify your requirements for complete set needs.
Q: What documentation is provided with the part?
A: Each piston includes material certification and dimensional inspection reports.
Q: Are there specific installation tools required?
A: Standard compressor service tools and precision measuring instruments are recommended for proper installation.
Worldwide shipping availability
Technical support provided
OEM packaging ensures perfect condition
Emergency order processing available