Valeo Alternator 12V 180A Pad Mount 6 Groove 439554

This Valeo alternator is a new 12V unit with a 180A charge current and part number 439554. It is a pad mount alternator with direct fastening, an internal regulator, and a 6 groove pulley, making the key physical and electrical details clear before you compare it to the original unit.

The listed mounting dimensions are 177mm mount centres B and 164mm mount centre to centre, with a 9mm adjusting hole diameter and a 64mm pulley outside diameter. Those measurements matter when you are checking alignment, bracket layout, and belt drive setup on the vehicle.

It is supplied as a Valeo unit and is described as suitable for Valeo applications. The alternator rotates clockwise, uses a connector arrangement with no connector for revolution counter, and carries a one year warranty. Weight is listed at 8.49kg.

Key Features

• New alternator
• 12V system
• 180A charge current
• 6 groove pulley
• Clockwise rotation
• Internal regulator

Specifications

• Brand: Valeo
• Part No.: 439554
• Product type: Alternator
• Voltage: 12
• Power rating: 180A
• Alternator charge current: 180A
• Pulley section: 6 groove
• Pulley outside diameter: 64mm

Fitment guidance

• Audi A6
• Audi A6 2004
• Audi A6 2005
• Audi A6 2006
• Audi A6 2007
• Audi A6 2008
• Audi A6 2009
• Audi A6 2010

Application and Buying Notes

Before ordering, compare the part number 439554, the 12V voltage, and the 180A output with the unit being replaced. Alternators can look similar while differing in pulley section, mounting layout, connector style, and regulator type, so those details should all be checked against the vehicle.

The physical dimensions are just as important as the electrical rating. This unit has 177mm mount centres B, 164mm mount centre to centre, a 9mm adjusting hole diameter, and a 64mm pulley outside diameter. If any of those measurements differ from the existing alternator, the part may not mount or line up correctly.

The pulley is a 6 groove design and the rotation is clockwise. That means the belt configuration and mounting orientation need to match the vehicle application exactly. The alternator also has an internal regulator and no connector for revolution counter, which should be confirmed against the original unit before purchase.

Because alternators are fitted to a specific drive setup and charging system, the safest approach is to verify the vehicle details, the original part number, and the connector arrangement together. This is especially important when the replacement is for an Audi A6 or Audi A6 Allroad application, where multiple variants can exist across model years.

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 439554 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 Centres B 177mm, Power Rating (Amp) 180, Pulley Section 6 Groove, Rotation CW, Voltage 12, Mount Cnt to Cnt 164mm, Alternator Charge Current [A] 180.

Additional published details for cross-checking include Connector / Clamp No Connector for Revolution Counter, Product Group 2 ALTERNATORS, Part No. 439554, Brand VALEO, Description Valeo Alternator 12V 180A, Adjusting Hole Diameter 9, Pin Code IR168, Pulley Outside Diameter 64mm, Regulator Type Internal.

Valeo Alternator 12V 180A. Part number 439554 should be checked first. Listed voltage is 12. Listed output rating is 180. These details form the core reference points used by parts interpreters when confirming the correct replacement.

Mount style is Pad. 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 439554, 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 180 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Compatibility note: Confirm fitment using the part number 439554, the 12V 180A specification, the pad mount/direct fastening layout, and the listed mounting and pulley measurements before ordering.

FAQ

What is the part number for this alternator?

The part number listed is 439554. For this listing, part number 439554 is the main reference point. Listed voltage is 12. Listed output rating is 180. Published fitment references include AUDI A6, AUDI A6 2004, AUDI A6 2005. These details should still be checked against the original unit before ordering.

What voltage and output does this alternator have?

It is a 12V alternator with a 180A charge current and 180A power rating. For this listing, part number 439554 is the main reference point. Listed voltage is 12. Listed output rating is 180. Published fitment references include AUDI A6, AUDI A6 2004, AUDI A6 2005. These details should still be checked against the original unit before ordering.

Is this a new unit or a remanufactured unit?

This alternator is listed as new. For this listing, part number 439554 is the main reference point. Listed voltage is 12. Listed output rating is 180. Published fitment references include AUDI A6, AUDI A6 2004, AUDI A6 2005. These details should still be checked against the original unit before ordering.

What type of pulley does it use?

It has a 6 groove pulley with a 64mm pulley outside diameter. For this listing, part number 439554 is the main reference point. Listed voltage is 12. Listed output rating is 180. Published fitment references include AUDI A6, AUDI A6 2004, AUDI A6 2005. 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 439554 is the main reference point. Listed voltage is 12. Listed output rating is 180. Published fitment references include AUDI A6, AUDI A6 2004, AUDI A6 2005. These details should still be checked against the original unit before ordering.

Which vehicle applications are shown in the fitment data?

The fitment data shows Audi A6 and Audi A6 Allroad applications, including model years 2004 through 2011 for Audi A6 and 2006 to 2007 for Audi A6 Allroad. For this listing, part number 439554 is the main reference point. Listed voltage is 12. Listed output rating is 180. Published fitment references include AUDI A6, AUDI A6 2004, AUDI A6 2005. These details should still be checked against the original unit before ordering.