2013-2019 Mercedes-Benz Axle Differential / Diff (3.46) Rear 1663501414

OEM Part #: 166-350-14-14 (1663501414)

$170.49
Side: Rear Used
Donor2013 Mercedes-Benz GL450 · 4.7L
SKU: 662726 · 30-Day Returns
✓ Free Same Day Shipping on orders by noon CT
Only 1 in stock — no guaranteed restock
Axle Differential / Diff (3.46) 1663501414 — Used (SKU 662726)
Genuine OEM Used SKU: 662726 Donor Vehicle: 2013 Mercedes-Benz GL450 · 4.7L 5 photos
$170.49
30-Day Returns
  • Genuine OEM — real photos
  • 30-day returns on eligible parts
  • eBay Top Rated · 100,000+ positive ratings
  • Ships from our own indoor warehouse

Mercedes-Benz rear axle differential, OEM 1663501414 (3.46 ratio) – a used genuine unit. This diff transfers power to the rear wheels while allowing speed differences during turns; failure symptoms include whining, clunking, or fluid leaks. It fits 3.0L V6 diesel, 3.0L V6 gas turbo, and 4.7L V8 turbocharged applications.

Specifications

Specifications for Axle Differential / Diff (3.46) 1663501414
Fits Vehicle ModelGL350, GL450, GL550, GLE400, ML400, ML550
Fits Vehicle MakeMercedes-Benz
OEM Part No166-350-14-14 (1663501414)
SideRear
CategoryDifferential

Compatible Vehicles

Fits 18 vehicle configurations across 1 make, 2013-2019.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Mercedes-Benz

  • GL350 2013-2016 · 4 variants
  • GL450 2013-2016 · 4 variants 4 with notes
  • GL550 2013-2016 · 4 variants 4 with notes
  • GLE400 2016-2019 · 3 variants 3 with notes
  • ML400 2015 1 with note
  • ML550 2013-2014 · 2 variants 2 with notes
View all 18 vehicle configurations — 14 with fitment notes
Full vehicle fitment list for Axle Differential / Diff (3.46) 1663501414
Year Make Model Trim Engine Note
2014 Mercedes-Benz ML550 SUV 4.7L V8 Turbo Exc.Off Road Package
2013 Mercedes-Benz GL350 SUV 3.0L V6 Diesel Turbo
2014 Mercedes-Benz GL350 SUV 3.0L V6 Diesel Turbo
2015 Mercedes-Benz GL350 SUV 3.0L V6 Diesel Turbo
2016 Mercedes-Benz GL350 SUV 3.0L V6 Diesel Turbo
2013 Mercedes-Benz GL450 SUV 4.7L V8 Turbo Exc.Off Road Package
2013 Mercedes-Benz GL550 SUV 4.7L V8 Turbo Exc.Off Road Package
2013 Mercedes-Benz ML550 SUV 4.7L V8 Turbo Exc.Off Road Package
2015 Mercedes-Benz ML400 SUV 3.0L V6 Turbo Exc.Off Road Package
2015 Mercedes-Benz GL550 SUV 4.7L V8 Turbo Exc.Off Road Package
2016 Mercedes-Benz GL450 SUV 3.0L V6 Turbo Exc.Off Road Package
2016 Mercedes-Benz GL550 SUV 4.7L V8 Turbo Exc.Off Road Package
2016 Mercedes-Benz GLE400 SUV 3.0L V6 Turbo Exc.Off Road Package
2017 Mercedes-Benz GLE400 SUV 3.0L V6 Turbo Exc.Off Road Package
2019 Mercedes-Benz GLE400 SUV 3.0L V6 Turbo Exc.Off Road Package
2014 Mercedes-Benz GL450 SUV 4.7L V8 Turbo Exc.Off Road Package
2014 Mercedes-Benz GL550 SUV 4.7L V8 Turbo Exc.Off Road Package
2015 Mercedes-Benz GL450 SUV 3.0L V6 Turbo Exc.Off Road Package

Ask a parts specialist

Asking about: Axle Differential / Diff (3.46) 1663501414 · OEM #1663501414