BBB Industries 42122 Alternator
OE Quality 60-Day Returns
BBB Industries
 REMAN ALTERNATOR

BBB Industries 42122 Alternator

Brand BBB Industries 42122
Amperage Rating 250
AC Tap No
Brushless Design No
Cooling Method Air
Decoupled Or Clutch Pulley No
Fan Type Internal
Number Of Pulley Grooves 7
OE Manufacturer Valeo
One Wire Capable No
Outside Pulley Diameter (in) 2
Outside Pulley Diameter (mm) 50
Plug Clock Position 3
Polarity Negative
Pulley Belt Type Serpentine
Pulley Included Yes
Pulley Type Conventional
Rotation Direction Clockwise
Voltage (V) 12
Voltage Regulator Type Internal
Product line REMAN ALTERNATOR
Fits Mercedes-Benz · 4 vehicles

250-amp output. Built for higher electrical demand in charging-system service.

Internal regulation. Integrated voltage control for stable system performance.

OE reference. Uses Valeo manufacturer data for application matching.

Cross-references 000-906-09-03, 2619198D and CG25S035 for the same application. See all 3.

$258.63Free shipping
In stock · usually ships same day before 1pm CST
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Order total $258.63
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Remanufactured Charging Replacement

This BBB Industries reman alternator, part number 42122, is built for charging-system service on select Mercedes-Benz diesel applications. It delivers 250 amps and uses an internal voltage regulator, a serpentine-belt pulley, and air cooling for consistent electrical output.

  • 250-amp output for high electrical demand.
  • Remanufactured alternator with a pulley included.
  • Internal regulator for integrated voltage control.
  • 7-groove conventional pulley for serpentine belt drive.
  • OE manufacturer reference: Valeo.

Fitment Details

Compatible with 2017 Mercedes-Benz GLS350d and 2014-2016 Mercedes-Benz GL350. This alternator is a direct fit for vehicles listed in the application data and matches the specified charging-system configuration.

Fits 2017 Mercedes-Benz GLS350d, N/A. Fits 2014-2016 Mercedes-Benz GL350, N/A. Part number 42122 is also referenced in interchange data for related charging-system applications.

What It Helps Resolve

  • Low battery charging caused by alternator wear.
  • Dim lights or unstable electrical output.
  • Battery warning lights related to charging faults.
  • Charging-system noise tied to pulley or bearing wear.

Installation Notes

Verify pulley type, groove count, plug clock position, rotation direction, and amperage rating before installation. Confirm belt alignment and electrical connector match the original unit. Use the vehicle application data to verify fitment for Mercedes-Benz GLS350d and Mercedes-Benz GL350 models before replacement.

Quality Assurance

BBB Industries remanufactured charging components are built to meet application-specific requirements using OE manufacturer reference data. Part number 42122 cross-references 000-906-09-03 and 2619198D for the same application.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2017Mercedes-BenzGLS350d3.0LV6250 Amps; REMAN ALTERNATOR
2016Mercedes-BenzGL3503.0LV6250 Amps; REMAN ALTERNATOR
2015Mercedes-BenzGL3503.0LV6250 Amps; REMAN ALTERNATOR
2014Mercedes-BenzGL3503.0LV6250 Amps; REMAN ALTERNATOR
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
000-906-09-032619198DCG25S035