Valeo Alternator 12V 120A 439296

The Valeo Alternator 12V 120A, part number 439296, is a new rotating electrical unit supplied as each. It is a 12 volt alternator with a 120 amp charge current and an internal regulator, so the key electrical and control details are already defined before installation.

This unit uses a 6 groove pulley with a 55mm outside diameter and clockwise rotation. The mounting arrangement is listed as multi leg with a single pivoted lever fastening type, 156mm mount centre-to-centre, 56mm mount leg thickness, and a 10mm mount hole diameter, which are the main physical checks to compare against the vehicle application.

Valeo lists this alternator as suit unit make Valeo, with pin code IR139 and no connector for revolution counter. It is covered by a one year warranty and weighs 6.63kg, which gives a useful reference point when confirming the replacement part against the original unit.

Key Features

• 12V alternator with 120A charge current
• Internal regulator
• 6 groove pulley, 55mm outside diameter
• Clockwise rotation
• New unit, supplied each
• Single pivoted lever fastening type

Specifications

• Brand: Valeo
• Part No.: 439296
• Type: Alternator
• Voltage: 12V
• Power rating: 120A
• Alternator charge current: 120A
• Pulley section: 6 groove
• Pulley outside diameter: 55mm

Fitment information

• MERCEDES-BENZ C-CLASS
• MERCEDES-BENZ C-CLASS 2000
• MERCEDES-BENZ C-CLASS 2001
• MERCEDES-BENZ C-CLASS 2002

Application and Buying Notes

Before ordering, compare the part number 439296 and the physical mounting details against the alternator being replaced. The important checks here are the 12V system, 120A output, 6 groove pulley, clockwise rotation, 156mm mount centre-to-centre, 56mm mount leg thickness, and 10mm mount hole diameter.

The internal regulator matters because it must match the charging system arrangement on the vehicle. The listed pin code is IR139, and the unit is noted as having no connector for revolution counter, so plug style and related connection details should be checked carefully before fitment.

This alternator is a new Valeo unit and weighs 6.63kg, which can help when comparing it with the original component during inspection. If the removed alternator has different pulley, mounting, or connector details, do not rely on appearance alone and confirm the application by part number and measurements.

For buyers matching a Mercedes-Benz C-Class application, the fitment reference provided is limited to the listed C-Class entries. If your vehicle is not within that application set, or if the original alternator differs in any of the measured points, treat the fitment as unconfirmed until the replacement is checked against the existing unit.

Before supply, the safest approach is to confirm the original unit details against the listed part number, voltage, output rating, mounting arrangement, and pulley configuration. That checking process is standard practice in the parts trade because visually similar units can still differ in service-critical ways.

For workshop, fleet, and equipment applications, accurate identification of part number 439296 helps avoid unnecessary freight, additional labour, and vehicle or machine downtime. Where the application is not straightforward, the original unit, OEM reference, or workshop records should be used as the primary confirmation point.

Relevant published details for this unit include Type ALTERNATOR, Unit of Measure EACH, Warranty One Year, Mount Leg Thickness 56mm, Power Rating (Amp) 120, Pulley Section 6 Groove, Rotation CW, Voltage 12, Mount Cnt to Cnt 156mm, Alternator Charge Current [A] 120.

Additional published details for cross-checking include Fastening Type Single pivoted lever, Weight 6.63kg, Product Group 1 ROTATING ELECTRICAL, Part No. 439296, Brand VALEO, Description Valeo Alternator 12V 120A, Mount Hole Diameter 10, Pin Code IR139, Pulley Outside Diameter 55mm, Regulator Type Internal.

Valeo Alternator 12V 120A. Part number 439296 should be checked first. Listed voltage is 12. Listed output rating is 120. These details form the core reference points used by parts interpreters when confirming the correct replacement.

Mount style is Multi Leg. Regulator type is Internal. Pulley configuration is 6 Groove. Those physical and electrical details should line up with the original unit before the replacement is approved for fitment.

For part number 439296, the normal identification sequence is part number, electrical rating, mounting arrangement, connector or terminal style, and pulley or drive details. Using those checkpoints helps confirm that the listed unit matches the service requirement rather than only looking similar.

For a alternator in workshop, fleet, trade, agricultural, or construction service, the listed voltage 12 and output 120 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Compatibility note: Confirm fitment by matching part number 439296, the 12V/120A specification, the 6 groove pulley, clockwise rotation, and the measured mounting and connector details against the vehicle and the original alternator before purchase.

FAQ

What is the part number for this alternator?

The part number is 439296. For this listing, part number 439296 is the main reference point. Listed voltage is 12. Listed output rating is 120. Published fitment references include MERCEDES-BENZ C-CLASS, MERCEDES-BENZ C-CLASS 2000, MERCEDES-BENZ C-CLASS 2001. These details should still be checked against the original unit before ordering.

Is this alternator 12 volt?

Yes. It is listed as a 12V alternator. For this listing, part number 439296 is the main reference point. Listed voltage is 12. Listed output rating is 120. Published fitment references include MERCEDES-BENZ C-CLASS, MERCEDES-BENZ C-CLASS 2000, MERCEDES-BENZ C-CLASS 2001. These details should still be checked against the original unit before ordering.

What is the charge rating?

The alternator is rated at 120A charge current. For this listing, part number 439296 is the main reference point. Listed voltage is 12. Listed output rating is 120. Published fitment references include MERCEDES-BENZ C-CLASS, MERCEDES-BENZ C-CLASS 2000, MERCEDES-BENZ C-CLASS 2001. These details should still be checked against the original unit before ordering.

Does it have an internal regulator?

Yes. The regulator type is listed as internal. For this listing, part number 439296 is the main reference point. Listed voltage is 12. Listed output rating is 120. Published fitment references include MERCEDES-BENZ C-CLASS, MERCEDES-BENZ C-CLASS 2000, MERCEDES-BENZ C-CLASS 2001. These details should still be checked against the original unit before ordering.

What pulley setup does it use?

It uses a 6 groove pulley with a 55mm outside diameter. For this listing, part number 439296 is the main reference point. Listed voltage is 12. Listed output rating is 120. Published fitment references include MERCEDES-BENZ C-CLASS, MERCEDES-BENZ C-CLASS 2000, MERCEDES-BENZ C-CLASS 2001. These details should still be checked against the original unit before ordering.

What fitment information is listed?

The supplied fitment reference includes MERCEDES-BENZ C-CLASS, with sample applications shown for 2000, 2001, and 2002. For this listing, part number 439296 is the main reference point. Listed voltage is 12. Listed output rating is 120. Published fitment references include MERCEDES-BENZ C-CLASS, MERCEDES-BENZ C-CLASS 2000, MERCEDES-BENZ C-CLASS 2001. These details should still be checked against the original unit before ordering.