Mercedes-Benz W639 Vito / Viano Front Axle Differential

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

• Part Type: Front axle differential

• OEM Part Number: A639330405 / 002

• Installation Position: Front axle

• Drivetrain: 4×4 / AWD

• Vehicle Platform: W639

• Manufacturer: Mercedes-Benz (OEM)

• Condition: As listed (used / rebuilt / new – specify if needed)

Vehicle Compatibility

• Mercedes-Benz Vito W639 4×4

• 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

• Genuine Mercedes-Benz OEM differential

• Designed specifically for W639 AWD drivetrain geometry

• Ensures correct torque distribution to the front axle

• Robust construction for commercial and passenger use

• Ideal for professional workshops and drivetrain specialists

Ideal Applications

• Front drivetrain repair or replacement

• AWD system restoration

• Commercial van and fleet maintenance

• Export and resale of OEM Mercedes-Benz drivetrain components