Alternators

CF-21377N

Name: CF-21377N Passenger Vehicle Alternator
Brand: Crankvia
SKU: 21377N

CF-21377N alternator for Mercedes - Europe S320, Mercedes - Europe S400, Mercedes-Benz S450 and related applications (12V / 250A / S6).

Brand

Specification

Voltage	12V
Amperage	250A
Rotation	CW
Pulley Class	S6
Regulator/Fan	IR/IF

Features

Part No	CF-21377N
MFR	VALEO
Part Type	Alternator

Part Number Cross-Reference

Lester Numbers
Mercedes-Benz
Valeo

Product Advantages

Alternator matching focuses on amperage, voltage, pulley configuration, regulator/fan design, plugs, and OE replacement references.

Fitment-first matching

CF-21377N is prepared for alternator sourcing with Part No, OE, Lester number, and application records checked together.

Quality and test focus

Core specifications such as voltage, power or amperage, rotation, teeth, and design are reviewed before sample or bulk quotation.

Replacement sourcing support

MFR VALEO and replacement references including 21377 help buyers compare existing units and reduce wrong-part risk.

Inquiry-ready supply

Share target quantity, destination, sample need, and packaging requirement so Crankvia can confirm the practical supply path.

Application Information

Application records are provided as compatibility references. Confirm OE number, vehicle configuration, engine, and market version before final ordering.

Part No

CF-21377N

Records

Makes

Models

Year range

2014-2020

Make	Model	Engine	Year	Note
Mercedes - Europe	S320	M 276.824, 3.0L, 200kW, 272HP, 2996cc	2014-2016	-
Mercedes - Europe	S400	M 276.824, 3.0L, 245kW, 333HP, 2996cc	2014-2016	-
Mercedes-Benz	S450	V6 3.0L 2996cc	2018-2020	-

Product matching notes

Use these checks together with the application table before final ordering.

How do I confirm CF-21377N fits?

Compare Part No, OE numbers, Lester Numbers, the application records, and the spec table. The page is organized around Mercedes - Europe S320, Mercedes - Europe S400, Mercedes-Benz S450 and related applications.

Which fields matter most?

Start with Voltage: 12V, Amperage: 250A, Rotation: CW, Pulley Class: S6, then cross-check OE numbers Mercedes-Benz 000-906-83-01, A000-906-83-01, Valeo CG25S026.

What if I only have a photo or partial number?

Share label photos, drive-end and connector shots, and any partial number or Lester Numbers 21377. That usually narrows the match quickly.

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