Mercedes-Benz Vito / Viano W639 Rear Axle Differential
Mercedes-Benz Vito / Viano W639 Rear Axle Differential - Image 2

In Stock

SKU: UKYTRD Categories: ,

Mercedes-Benz Vito / Viano W639 Rear Axle Differential

(44 Customer Reviews)

$1,700.00

SKU: UKYTRD Categories: ,

Mercedes-Benz Vito / Viano W639 Rear Axle Differential – A6393503214 / A6393502814

This rear axle drive differential is designed for Mercedes-Benz Vito and Viano W639 models. Available under OEM part numbers A6393503214 and A6393502814, these units are professionally overhauled to ensure reliable operation and long-lasting performance. Ideal for replacing worn, noisy, or damaged differentials, they are suitable for commercial vans, passenger vehicles, fleet maintenance, and export.

Each differential undergoes a complete reconditioning process, delivering a solution that meets or exceeds OEM standards.

Reconditioning & Overhaul Process

  1. Repair of all system components to ensure structural and mechanical integrity

  2. Replacement of all worn or damaged parts, including:

    • Bearings

    • Gears

    • Seals and sealant

  3. Verification of proper operation, including:

    • Correct gear engagement

    • Noise and vibration checks

    • Backlash and tightness inspection

All components are reassembled and sealed, ensuring the differential is ready for immediate installation.

Technical Specifications

  • Part Type: Rear axle drive / differential

  • Installation Position: Rear axle

  • Vehicle Platform: Mercedes-Benz W639

  • Compatible Models: Vito / Viano W639

  • OEM Part Numbers: A6393503214, A6393502814

  • Condition: Professionally overhauled / reconditioned

  • Verification: Function-tested for gears, noise, and tightness

Key Benefits

  • OEM-quality rebuild for W639 rear axle applications

  • Reliable alternative to new differentials

  • Reduces noise and ensures smooth drivetrain operation

  • Ideal for workshops, fleet operators, and commercial use

  • Ready for installation with verified operation

Vehicle Compatibility

  • Mercedes-Benz Vito W639

  • Mercedes-Benz Viano W639

Exact fitment depends on axle ratio, engine type, and drivetrain configuration. VIN verification is recommended.

Typical Applications

  • Replacement of damaged or worn rear differentials

  • Drivetrain refurbishment for commercial and passenger vehicles

  • Workshop and fleet maintenance

  • Export and resale of OEM Mercedes parts

Average Rating

4.66
44 Review
5 star 69%

4 star 30%

3 star 3%

2 star 0%

1 star 0%

44 reviews for Mercedes-Benz Vito / Viano W639 Rear Axle Differential

  1. Hannah Scott (verified owner) –

    amgcarpartsforsale supplied a Mercedes 4-speed automatic for my 1982 380SEC that was a direct fit. The transmission shifts smoothly and handles the V8 power well. My C126 coupe is back to grand touring comfort.

  2. Fadi Mansour (verified owner) –

    amgcarpartsforsale sold me a complete M120 V12 for my 1993 600SEC restoration. The engine was in excellent condition with all twelve cylinders firing perfectly. The V12 symphony in my C140 coupe is absolutely intoxicating.

  3. Zainab Bello (verified owner) –

    amgcarpartsforsale had a low-mileage M102 four-cylinder for my 1987 190E 2.3-16 Cosworth. This engine is hard to find and theirs was a perfect match. The Cosworth is screaming to redline again with no issues.

  4. Rosemary Banda (verified owner) –

    amgcarpartsforsale had a BMW N47 diesel engine for my 320d that was low mileage. The timing chain was already replaced on this unit. My daily driver is back to excellent fuel economy.

  5. Greta Hansen (verified owner) –

    I bought a BMW M30 inline-six from amgcarpartsforsale for my 1988 535i restoration. The engine was clean and came with all the Motronic components. My E28 is back to being the ultimate driving machine.

  6. Diego Morales (verified owner) –

    The M119 V8 engine from amgcarpartsforsale was perfect for my 1992 500E. The engine came from a low-mileage donor and runs incredibly smooth. My Porsche-built sedan is back to dominating the autobahn.

  7. Lucas Silva (verified owner) –

    The BMW N52 engine I purchased from amgcarpartsforsale was a direct bolt-in. No oil leaks and the valvetronic system worked perfectly. My E90 328i is back to daily driver reliability.

  8. Tatiana Volkova (verified owner) –

    I bought a M176 V8 from amgcarpartsforsale for my GLS550 upgrade project. The engine was well-crated and shipped quickly. A perfect donor for my build with great communication.

  9. Pedro Mendes (verified owner) –

    amgcarpartsforsale supplied a M137 V12 for my 2002 S600 that was a direct bolt-in. The engine was low mileage and came with all the coil packs. My W220 flagship is back to twelve-cylinder luxury.

  10. John Peterson (verified owner) –

    The M112 V6 engine from amgcarpartsforsale dropped right into my 1998 ML320. The engine was clean and came with all the sensors attached. My first-generation ML is ready for more adventures.

  11. Bruno Carvalho (verified owner) –

    amgcarpartsforsale provided a M275 V12 biturbo engine for my 2003 S600 that exceeded expectations. The engine was in pristine condition with the updated coil packs. My W220 is making over 500 horsepower again with ease.

  12. Samuel Okafor (verified owner) –

    amgcarpartsforsale supplied a BMW S52 engine for my 1998 M3 that exceeded expectations. The engine was low mileage and came with all the accessories. My E36 M3 is back to dominating the back roads.

  13. Fadi Mansour (verified owner) –

    The BMW N52 engine I purchased from amgcarpartsforsale was a direct bolt-in. No oil leaks and the valvetronic system worked perfectly. My E90 328i is back to daily driver reliability.

  14. Olivia Brown (verified owner) –

    I bought a Mercedes 4-speed automatic from amgcarpartsforsale for my 1969 280SL that was rebuilt to factory specs. The shifts are seamless and the transmission is whisper quiet. My Pagoda is ready for another half-century of enjoyment.

  15. Lucas Silva (verified owner) –

    The Mercedes 5-speed manual from amgcarpartsforsale was perfect for my 1988 190E 2.6. The gearbox was low mileage and shifts with precision. My W201 is now a much more enjoyable car for spirited driving.

  16. Kyle Hopkins (verified owner) –

    The BMW fender arrived primed and ready for paint and amgcarpartsforsale really knows how to pack body parts so there was great fitment with all the factory clips and no extra drilling was required at all.

  17. Andrea McCarthy (verified owner) –

    Mercedes CLS63 fender. Fitment was spot on. Even the PDC holes lined up. Great quality and fast shipping to Florida.

  18. Holly Davidson (verified owner) –

    Porsche PDK transmission for my 991.2 Carrera. No leaks and clutch packs feel new. Launch control works perfectly. Incredible find.

  19. Dennis Atkins (verified owner) –

    Porsche Tiptronic S for my Cayenne Turbo. No hesitation and smooth power delivery. Came with transfer case. Very happy.

  20. Preston Sutton (verified owner) –

    The Porsche gearbox is smooth and precise and amgcarpartsforsale sells genuinely high-quality parts that my mechanic was very impressed with when he performed the installation last week.

  21. Rafael Ortega (verified owner) –

    I bought a BMW N20 four-cylinder turbo engine from amgcarpartsforsale. The timing chain guides were already updated on this unit. My F30 328i runs quiet and smooth now.

  22. Alejandro García (verified owner) –

    La aleta de Mercedes llegó rápido de amgcarpartsforsale y el metal es grueso y se siente muy premium, lo que la hace un excelente reemplazo para mi pieza dañada tras un pequeño golpe en el estacionamiento.

  23. Claudia Fabbri (verified owner) –

    I bought a BMW M30 inline-six from amgcarpartsforsale for my 1988 535i restoration. The engine was clean and came with all the Motronic components. My E28 is back to being the ultimate driving machine.

  24. Darren Holmes (verified owner) –

    Mercedes widebody fenders for my W204 C63. Aggressive fitment and no trimming needed. Great quality fiberglass. Very satisfied.

  25. Beatriz Santos (verified owner) –

    amgcarpartsforsale provided a Mercedes 4-speed automatic for my 1973 280SE 4.5 that was rebuilt to perfection. The shifts are smooth and the transmission is silent. My W108 sedan is back to being a classic luxury cruiser.

  26. Alexandre Leduc (verified owner) –

    L’aile Audi était une correspondance parfaite pour mon A4 et amgcarpartsforsale rend l’achat de panneaux de carrosserie sans stress car la pièce est robuste et identique à l’équipement d’origine du constructeur.

  27. Alejandro García (verified owner) –

    El sistema de frenos Mercedes se entregó antes de lo esperado y amgcarpartsforsale realmente prioriza que vuelvas a la carretera con un frenado que es suave, silencioso y muy potente en situaciones de emergencia.

  28. Veronica Shelton (verified owner) –

    These headlights totally refreshed the look of my Mercedes and buying from amgcarpartsforsale was a breeze from start to finish since the visibility at night has improved drastically for my daily commute.

  29. Chen Wei (verified owner) –

    amgcarpartsforsale sold me a BMW N62 V8 for my E60 545i that was well-maintained. The alternator bracket gasket was already replaced. No more oil leaks and the engine runs strong.

  30. Olivier Gauthier (verified owner) –

    L’aile de remplacement pour ma BMW s’est adaptée parfaitement et j’ai été bluffé par la rapidité d’expédition de amgcarpartsforsale car la correspondance de la peinture était sans défaut et l’installation très simple.

  31. Luis Eduardo Ramírez (verified owner) –

    Esta transmisión de Mercedes cambia de marcha de forma exquisita y confío en amgcarpartsforsale para todas mis piezas pesadas, ya que ofrecen una gran garantía y un excelente soporte durante todo el proceso de envío.

  32. Samuel Roussel (verified owner) –

    La sécurité est ma priorité donc j’ai acheté un nouveau système de freinage pour ma Porsche et la puissance d’arrêt est incroyable grâce à amgcarpartsforsale qui fournit un kit sans sifflement et très fiable.

  33. Elliot Grant (verified owner) –

    The Mercedes shock fixed my sagging rear end and amgcarpartsforsale had exactly what I needed in stock so the car rides perfectly level now and handles much better than before.

  34. Adrian Foster (verified owner) –

    The Mercedes engine swap was a success thanks to amgcarpartsforsale since the motor was clean and fully functional as promised making them a great company to do business with for high-end automotive parts.

  35. Gabriel Romero (verified owner) –

    Los faros de BMW se instalaron fácilmente sin códigos de error y amgcarpartsforsale vende piezas de repuesto de alta calidad que lucen increíbles cuando desbloqueas el coche de noche y los LEDs se encienden.

  36. Rafael Ortega (verified owner) –

    The M112 V6 engine from amgcarpartsforsale dropped right into my 1998 ML320. The engine was clean and came with all the sensors attached. My first-generation ML is ready for more adventures.

  37. Gerard Paris (verified owner) –

    Phares Audi achetés sur amgcarpartsforsale donnant un style moderne au véhicule, éclairage clair et montage rapide.

  38. Damien Lefevre (verified owner) –

    J’ai acheté un moteur Mercedes sur amgcarpartsforsale et les performances sont comme neuves, l’installation s’est faite sans difficulté et la qualité générale dépasse clairement mes attentes.

  39. Henri Mercier (verified owner) –

    L’aile Porsche que j’ai achetée correspondait parfaitement aux courbes d’usine et amgcarpartsforsale a sauvé ma restauration car j’ai été très impressionné par la livraison rapide et la qualité supérieure du métal utilisé.

  40. Joaquín Molina (verified owner) –

    La transmisión de mi BMW vuelve a funcionar sin fallos y amgcarpartsforsale es un salvavidas para componentes mayores, ya que me salvaron de tener que desguazar el coche al proporcionar una unidad de reemplazo de calidad.

  41. Zuzana Kralova (verified owner) –

    I bought a BMW N20 four-cylinder turbo engine from amgcarpartsforsale. The timing chain guides were already updated on this unit. My F30 328i runs quiet and smooth now.

  42. Vincent Rollin (verified owner) –

    Le pack pare-chocs pour ma BMW lui a donné une allure beaucoup plus agressive et amgcarpartsforsale l’a emballé si soigneusement qu’il n’y avait aucun dommage, je reçois des compliments tout le temps maintenant.

  43. Loic Aubert (verified owner) –

    Aile Audi commandée sur amgcarpartsforsale avec un ajustement parfait, la qualité du métal est excellente et le carrossier a été impressionné par la finition.

  44. Phillip Larson (verified owner) –

    BMW S63 engine for my X5M had all gaskets replaced. No timing chain noise after 5k miles. amgcarpartsforsale is my new go-to.

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