Mahle Alternator 12V 45A MG563

The MAHLE Alternator MG563 is a new 12V, 45A unit supplied as each, with an internal regulator and a single-leg alternator mount. It is listed with a dust-proof note and is supplied without a belt pulley, so it is important to compare the mounting layout and pulley arrangement against the vehicle before ordering.

Key dimensions to confirm are the 56mm mount leg thickness, 56.0 mounting bores distance, 90.0 mounting points diameter, and 10mm adjusting and pivot hole diameters. These figures are the main physical checkpoints for installation suitability when matching to an existing alternator or bracket setup.

This alternator is identified with part number MG563 and is described as a Mahle alternator 12V 45A. It carries a one-year warranty and is listed under rotating electrical as an alternator replacement part, so it suits buyers looking for a direct match on electrical rating and mounting style rather than a generic universal unit.

Key Features

• 12V alternator with 45A output
• Internal regulator
• Single-leg alternator mount
• Supplied without belt pulley
• New unit
• Dust-proof note

Specifications

• Brand: MAHLE
• Product type: Alternator
• Voltage: 12V
• Power rating: 45A
• Charge current: 45A
• Regulator type: Internal
• Mount type: Single leg
• Mount leg thickness: 56mm

Application and Buying Notes

Before buying, confirm the part number MG563 against the alternator already fitted to the vehicle or the replacement requirement on the job card. The critical physical checks here are the single-leg mount, 2 mounting bores, 56mm mount leg thickness, and 56.0 mounting bores distance, because these are the features most likely to decide whether the unit installs correctly.

Electrical compatibility also matters. This alternator is a 12V, 45A unit with an internal regulator, so it should only be matched where those specifications are required. If the vehicle or charging system calls for a different voltage, output rating, or an external regulator setup, this unit is not the correct choice.

The pulley arrangement must also be checked carefully because this alternator is supplied without a belt pulley. If the existing pulley is to be reused, confirm it is serviceable and suitable for the application before the alternator is fitted. If the original pulley is missing, damaged, or incompatible, you will need the correct pulley arrangement for the job.

The listed 10mm adjusting hole diameter and 10mm pivot hole diameter are useful when comparing bracket hardware and alignment points. These measurements, along with the 90.0 mounting points diameter, help reduce the chance of ordering a unit that looks similar but does not line up properly once in the workshop.

The one-year warranty applies to the supplied new unit, but it does not replace the need for correct application matching. As with any alternator replacement, checking the existing mounting style, electrical specification, and pulley requirement before purchase is the most reliable way to avoid delays and repeat labour.

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 MG563 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) 45, Suits Unit Make Mahle, Note Dust-proof, New / Reman. New, Pulleys without belt pulley, Mounting Bores Distance 56.0.

Additional published details for cross-checking include Packaging length 24.8, Packaging height 17.50, Product Group 2 ALTERNATORS, Part No. MG563, Brand MAHLE, Description Mahle Alternator 12V 45A, Adjusting Hole Diameter 10, Pivot Hole Diameter 10, Regulator Type Internal.

Mahle Alternator 12V 45A. Part number MG563 should be checked first. Listed voltage is 12. Listed output rating is 45. These details form the core reference points used by parts interpreters when confirming the correct replacement.

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

For part number MG563, 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 45 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Where no verified application list is available, the part number, mounting details, connector style, and published specifications should be used as the primary selection criteria.

In the absence of a verified fitment list, the safest approach is to compare the removed unit directly with the listed product details. That includes checking the housing style, pulley layout, regulator arrangement, and any visible identification numbers before supply is approved.

The listed warranty is One Year. Warranty terms should be considered alongside correct application and part identification, as warranty does not replace fitment confirmation.

Compatibility note: Confirm fitment using part number MG563, the 12V 45A rating, the internal regulator, the single-leg mount, and the supplied dimensions before ordering. If the existing alternator differs in mounting style, pulley arrangement, or electrical specification, it should be treated as a different application.

FAQ

What is the part number for this alternator?

The part number is MG563.

What voltage and output rating does it have?

It is a 12V alternator with a 45A output rating.

Does it have an internal regulator?

Yes. The regulator type is internal.

Is a belt pulley included?

No. It is supplied without a belt pulley.

Is this a new or remanufactured unit?

It is listed as new.

What should I check before ordering?

Confirm MG563, the 12V 45A rating, the internal regulator, the single-leg mount, the 56mm mount leg thickness, and the pulley requirement against the existing unit or application details.