Alternator 21978 for 2022–2024 Mercedes-Benz SL63 AMG R231, complete assembly

2022–2024 Mercedes-Benz SL63 AMG R231 Alternator 21978 | 250A, 4-Groove

$239.95
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Alternator 21978 for 2022–2024 Mercedes-Benz SL63 AMG R231, complete assembly

2022–2024 Mercedes-Benz SL63 AMG R231 Alternator 21978 | 250A, 4-Groove

$239.95

This new replacement alternator fits the 2022–2024 Mercedes-Benz SL63 AMG R231 in the configurations listed below.

Vehicle fitment

Model years Vehicle
2022, 2023, 2024 Mercedes-Benz G63 4x4 Squared AMG W463
2019, 2020, 2021, 2022, 2023, 2024 Mercedes-Benz G63 AMG W463
2018, 2019, 2021 Mercedes-Benz S63 AMG C217
2022, 2023, 2024 Mercedes-Benz SL55 AMG R231
2022, 2023, 2024 Mercedes-Benz SL63 AMG R231
2024 Mercedes-Benz SL63 AMG S E Performance R231

Part numbers

Additional references: 0009061207, A0009061207, CG25S048, 21978

What’s included

Includes one new alternator with pulley.

Specifications

  • Output: 250 A
  • Voltage: 12 V
  • Pulley grooves: 4
  • Pulley type: Clutch pulley
  • Rotation: Clockwise
  • Regulator: Internal

Before ordering

Match the original alternator part number, amperage, electrical connector, mounting points and pulley with the listing. Check any equipment or production-date notes in the fitment table.

Installation tip: Disconnect the negative battery cable before replacement. Check the belt, tensioner and battery-cable connections, then verify charging operation after installation.

Need a match? Send your VIN and a photo of the original alternator label to our Auto Parts Desk.

Browse more replacement alternators or explore all auto parts.

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