Mercedes-Benz Vito / Viano W639 Rear Axle Differential – A6393501214 (41:11 | 3.72)
This rear axle drive differential is designed for Mercedes-Benz Vito and Viano models based on the W639 platform. The unit has undergone a complete professional overhaul, ensuring reliable performance and long service life. It is an ideal replacement solution for worn, noisy, or damaged rear differentials.
Each differential is fully disassembled, inspected, reassembled, and sealed according to workshop standards. All worn or defective components are replaced with new parts, and the housing is repainted prior to final assembly, providing both mechanical reliability and a clean, corrosion-protected finish.
Technical Specifications
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Part Type: Rear axle drive / rear differential
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Installation Position: Rear axle
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Vehicle Platform: Mercedes-Benz W639
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Compatible Models: Mercedes Vito / Mercedes Viano
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Manufacturer: Mercedes-Benz (OEM base unit)
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Manufacturer Part Number: A6393501214
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Gear Ratio: 41:11
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Final Drive Ratio: 3.72
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Condition: Professionally reconditioned / overhauled
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Housing Finish: Repainted
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Sealing: Fully resealed
Reconditioning Process
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Complete disassembly of the differential
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Inspection of all internal components
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Replacement of all defective or worn parts (bearings, seals, gears where required)
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Precision reassembly to factory tolerances
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New seals and sealant installed
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Differential housing repainted before final assembly
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Final functional verification
Vehicle Compatibility
Suitable for Mercedes-Benz W639 series, including:
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Mercedes-Benz Vito W639
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Mercedes-Benz Viano W639
Compatibility depends on axle ratio, engine version, transmission, and drivetrain configuration. VIN verification is recommended to ensure correct fitment.
Key Advantages
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Professionally rebuilt rear differential
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Correct 41:11 (3.72) final drive ratio
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OEM Mercedes-Benz core
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Reliable alternative to a brand-new unit
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Ideal for workshops, fleet maintenance, and export
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Ready for installation
Typical Applications
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Replacement of worn or noisy rear axle differentials
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Drivetrain repair and refurbishment
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Commercial vehicle servicing
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Long-term fleet operation solutions
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