Part #: 13710N-6G

WAI 13710N-6G Alternator

8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, S420, S500, S600, and SL500
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Reliable Alternator for Mercedes-Benz S-Class and SL Models

The WAI 13710N-6G alternator is designed to provide consistent electrical charging performance for select Mercedes-Benz vehicles. Engineered with an internal fan and regulator, this alternator supports the demanding electrical systems of the S420, S500, S600, and SL500 models.

  • 12-volt electrical system compatibility
  • Internal fan type for efficient cooling
  • Clockwise (right) rotation direction
  • Includes a 6-groove serpentine pulley
  • Internal voltage regulator for stable output
  • 143-amp amperage rating suitable for high electrical loads
  • Compatible with Bosch family components

Technical Overview of the WAI 13710N-6G Alternator

This WAI alternator, part number 13710N-6G, is built to meet the electrical demands of Mercedes-Benz luxury vehicles, specifically the S420, S500, S600, and SL500. Featuring an internal fan, it ensures proper cooling during operation, which helps maintain performance and longevity. The clockwise rotation matches the original equipment specifications for these models. The included pulley has six grooves designed for serpentine belts, providing reliable belt engagement and power transfer. An internal voltage regulator maintains consistent voltage output, protecting your vehicle's electrical components. With a 143-amp rating, this alternator supports the advanced electrical systems found in these Mercedes-Benz vehicles.

Applications and Common Issues Addressed

  • Replacement for failing or underperforming alternators in Mercedes-Benz S420, S500, S600, and SL500
  • Resolves battery charging problems and electrical system malfunctions
  • Addresses issues with dimming headlights or electrical accessories
  • Eliminates irregular voltage output causing dashboard warning lights
  • Restores proper serpentine belt-driven alternator function

Installation Notes and Tips

When installing the WAI 13710N-6G alternator, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the clockwise rotation direction matches the vehicle’s original alternator. Confirm electrical connections are secure and the internal voltage regulator is functioning correctly. It is recommended to test the charging system after installation to ensure proper operation.

Quality Assurance and Warranty Information

WAI alternators are manufactured to meet or exceed OEM standards, ensuring reliable performance for Mercedes-Benz vehicles. This alternator is part of the Bosch family, known for quality electrical components. While specific warranty details are not provided here, WAI products typically come with a limited warranty covering defects in materials and workmanship.

BrandWAI
Part Number13710N-6G
1212
Fan TypeInternal
Rotation DirectionClockwise (right)
Pulley IncludedYes
FamilyBosch
Pulley Groove Quantity6
Pulley Belt TypeSerpentine
Regulator TypeInternal
Decoupled Or Clutch PulleyNo
Amperage Rating143

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999Mercedes-BenzS600N/ABosch IR/IF 143 Amp, S6
1998Mercedes-BenzS600N/ABosch IR/IF 143 Amp, S6
1998Mercedes-BenzSL5005.0LV8N/ABosch IR/IF 143 Amp, S6
1997Mercedes-BenzS420N/ABosch IR/IF 143 Amp, S6
1997Mercedes-BenzSL5005.0LV8N/ABosch IR/IF 143 Amp, S6
1996Mercedes-BenzS420N/ABosch IR/IF 143 Amp, S6
1996Mercedes-BenzS5005.0LV8N/ABosch IR/IF 143 Amp, S6
1996Mercedes-BenzSL500N/ABosch IR/IF 143 Amp, S6

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

0 123 510 018009 154 56 0213710A 009 154 56 02

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.