Delphi Alternator 12V 120A 55302593

This Delphi alternator is a new 12V, 120A unit with part number 55302593. It is listed with a 6 groove pulley, clockwise rotation, internal regulator, and twin leg mounting, which are the key details to check against the vehicle’s original charging unit before ordering.

The mounting and drive details are specific: 57mm inside mounting legs, 184mm mount centre-to-centre, M10x1.5 adjusting hole, and a 56mm pulley outside diameter. Those measurements matter when confirming physical fitment, especially where brackets, belt alignment, or adjuster geometry need to match the existing alternator.

It is supplied as a new alternator, sold each, and carries a one year warranty. The unit weight is 6.48kg, which can be a useful reference when comparing to a removed part or checking freight handling before installation.

Key Features

• Delphi alternator
• 12V, 120A output
• Part number 55302593
• New unit
• Internal regulator
• 6 groove pulley

Specifications

• Type: Alternator
• Brand: Delphi
• Voltage: 12V
• Power rating: 120A
• Regulator type: Internal
• Pulley section: 6 groove
• Pulley outside diameter: 56mm
• Rotation: Clockwise (CW)

Fitment guidance

• Fitment references supplied include Holden Captiva 5, Holden Captiva 7, Holden Cruze, and Holden Epica.
• Holden Captiva 5 applications are shown for model years 2011, 2012, 2013, 2014, and 2015.
• Holden Captiva 7 applications are shown for model years 2007, 2008, 2009, 2010, and 2011.
• The fitment information is broad and should still be checked against the vehicle’s existing alternator part number and mounting measurements before purchase.

Application and Buying Notes

For a charging system part like this 12V, 120A Delphi alternator, the safest comparison points are the part number 55302593, the 6 groove pulley, and the clockwise rotation. If any of those details differ from the original unit, the alternator may not be the correct match even if the vehicle family appears similar.

The mounting pattern is just as important as the electrical rating. This unit has 57mm inside mounting legs, 184mm mount centre-to-centre, a twin leg mount, and an M10x1.5 adjusting hole. Those dimensions need to line up with the bracket and adjuster on the vehicle so the alternator sits correctly and the belt can be aligned properly.

The pulley outside diameter is 56mm and the unit weighs 6.48kg. Those figures are useful when comparing the replacement to the removed alternator, particularly if there has been a previous repair, a bracket change, or a non-standard unit fitted earlier.

Because the fitment list includes several Holden Captiva, Holden Cruze, and Holden Epica applications, it is sensible to confirm the vehicle’s exact model, year, and engine arrangement against the original alternator before ordering. The listed applications are helpful, but the part number and physical dimensions remain the most reliable checkpoints.

This alternator is new and has an internal regulator, so there is no need to assume it matches a separate external regulator setup. If the vehicle originally uses a different regulator arrangement, that needs to be confirmed before purchase to avoid installation issues.

The one year warranty provides a clear service period, but it does not replace fitment verification. Matching the 55302593 part number, 12V system voltage, and 120A output is the best way to reduce the risk of ordering the wrong charging component.

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 55302593 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, Inside Mounting Legs 57mm, Power Rating (Amp) 120, Pulley Section 6 Groove, Rotation CW, Voltage 12, Mount Cnt to Cnt 184mm, Weight 6.48kg.

Additional published details for cross-checking include Product Group 2 ALTERNATORS, Part No. 55302593, Brand DELPHI, Description Delphi Alternator 12V 120A, Adjusting Hole Diameter M10x1.5, Pin Code IR147, Pulley Outside Diameter 56mm, Regulator Type Internal, Suits Unit Make Delphi, Alternator Mount Twin Leg.

Delphi Alternator 12V 120A. Part number 55302593 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 Twin 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 55302593, 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: Please confirm fitment using part number 55302593, the 12V 120A specification, the 6 groove CW pulley, and the mounting measurements before purchase. Vehicle applications are listed for selected Holden models, but the final check should always be against the original alternator and vehicle details.

FAQ

What is the part number for this alternator?

The part number is 55302593.

Is this alternator new or remanufactured?

It is listed as new.

What voltage and output does it have?

It is a 12V alternator with a 120A power rating.

What pulley and rotation details should I check?

It has a 6 groove pulley, a 56mm pulley outside diameter, and clockwise rotation (CW).

What mounting measurements are listed?

The listed mounting details are 57mm inside mounting legs, 184mm mount centre-to-centre, and an M10x1.5 adjusting hole.

Which vehicles are shown in the fitment information?

The supplied fitment references include Holden Captiva 5, Holden Captiva 7, Holden Cruze, and Holden Epica, with Captiva 5 and Captiva 7 year references also shown.