Mercedes-Benz W639 Vito / Viano Front Axle Differential – 4×4 – A639330405/002
This original Mercedes-Benz front axle differential is designed for Mercedes W639 Vito and Viano 4×4 (All-Wheel Drive) models. Identified by OEM part number A639330405/002, this unit is engineered to distribute torque efficiently to the front axle, ensuring stable traction and proper drivetrain performance in AWD configurations.
Built to Mercedes-Benz factory specifications, the differential is suitable for professional repair, drivetrain replacement, or restoration of W639 4×4 vehicles. It is an essential component of the front driveline system and is compatible only with 4MATIC / 4×4 variants.
Technical Specifications
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Part Type: Front axle differential
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OEM Part Number: A639330405 / 002
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Installation Position: Front axle
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Drivetrain: 4×4 / AWD
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Vehicle Platform: W639
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Manufacturer: Mercedes-Benz (OEM)
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Condition: As listed (used / rebuilt / new – specify if needed)
Vehicle Compatibility
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Mercedes-Benz Vito W639 4×4
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Mercedes-Benz Viano W639 4×4
Only compatible with AWD / 4×4 models. Not suitable for rear-wheel-drive versions. VIN verification is strongly recommended before purchase.
Key Features & Benefits
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Genuine Mercedes-Benz OEM differential
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Designed specifically for W639 AWD drivetrain geometry
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Ensures correct torque distribution to the front axle
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Robust construction for commercial and passenger use
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Ideal for professional workshops and drivetrain specialists
Ideal Applications
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Front drivetrain repair or replacement
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AWD system restoration
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Commercial van and fleet maintenance
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Export and resale of OEM Mercedes-Benz drivetrain components
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