Mahle Alternator 24V 150A MG934

The MAHLE MG934 is a new 24V alternator rated at 150A, supplied as an OE product for heavy commercial use. It is listed as a Multi-function alternator with an internal regulator, a clockwise rotation, and a pad mount layout, so the electrical and mounting details should be checked carefully before purchase.

This unit uses an 8 groove V-ribbed belt pulley with a 94mm outside diameter, and the distance from the pulley to the alternator is 38mm. The mounting bores distance is 108mm, with inside mounting legs also listed at 108mm, while the mounting leg thickness is 80mm and the mounting points diameter is 95mm.

The part number is MG934, with pin code IR98 and MAHLE as the brand and unit make. As with any heavy commercial charging component, matching the part number, voltage, pulley style, and mounting dimensions is the safest way to confirm the right alternator before ordering.

Key Features

• OE product
• New unit
• 24V output
• 150A charge current
• Internal regulator
• 8 groove V-ribbed belt pulley

Specifications

• Brand: MAHLE
• Part No.: MG934
• Voltage: 24V
• Power rating / charge current: 150A
• Type: Alternator Heavy Comm
• Alternator type: Multi-function
• Regulator type: Internal
• Rotation: CW

Verified fitment references

• MERCEDES-BENZ
• MERCEDES-BENZ ACTROS MP4 / MP5
• MERCEDES-BENZ ACTROS MP4 / MP5 2011
• MERCEDES-BENZ ACTROS MP4 / MP5 2013
• MERCEDES-BENZ ACTROS MP4 / MP5 2015

Application and Buying Notes

Before ordering, compare the MG934 part number with the alternator you are replacing, then check the key matching points: 24V system voltage, 150A output, clockwise rotation, internal regulator, and the 8 groove V-ribbed pulley. Those details are often just as important as the physical shape, especially on heavy commercial electrical systems where a small mismatch can stop the unit from fitting or functioning correctly.

The mounting information matters here because this alternator is listed with a pad mount, 108mm mounting bores distance, 108mm inside mounting legs, 80mm mount leg thickness, and 95mm mounting points diameter. If your existing unit differs in any of those measurements, the alternator may not align correctly with the bracket or drive belt arrangement.

The pulley specification also needs attention. This unit is supplied with a V-ribbed belt pulley, 8 groove section, and 94mm outside diameter, with a 38mm distance from the pulley to the alternator. If the vehicle uses a different belt profile or offset, the belt tracking and accessory alignment should be confirmed before fitting.

This alternator is identified for Mercedes-Benz applications, including Actros MP4 / MP5 references in the provided fitment data. Even so, vehicle listings can vary by build specification, so the safest approach is to confirm the application details against the original unit already fitted to the vehicle and not rely on model name alone.

The one year warranty applies to the part as supplied, but it does not replace the need to verify compatibility first. Heavy commercial alternators are best matched by part number, voltage, amperage, regulator type, pulley section, and mounting dimensions, particularly when the vehicle has had previous repairs or a non-original charging component installed.

If you are replacing a failed alternator, it is worth checking the belt condition, pulley alignment, and connector style at the same time. The pin code listed is IR98, and the unit is described as a MAHLE-supplied OE product, so the best result comes from matching the original part as closely as possible before installation.

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 MG934 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 HEAVY COMM, Unit of Measure EACH, Warranty One Year, Mount Leg Thickness 80mm, Power Rating (Amp) 150, Pulley Section 8 Groove, Rotation CW, Voltage 24, New / Reman. New, Pulleys with V-ribbed belt pulley.

Additional published details for cross-checking include Mounting Bores Distance 108, Distance from pulley to the alternator 38, Packaging width 23.00, Net Weight 9485, Product Group 2 ALTERNATORS, Part No. MG934, Brand MAHLE, Description Mahle Alternator 24V 150A, Inside Mounting Legs 108mm.

Mahle Alternator 24V 150A. Part number MG934 should be checked first. Listed voltage is 24. Listed output rating is 150. 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 8 Groove. Those physical and electrical details should line up with the original unit before the replacement is approved for fitment.

For part number MG934, 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 heavy comm in workshop, fleet, trade, agricultural, or construction service, the listed voltage 24 and output 150 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Compatibility note: Confirm fitment using the MG934 part number, 24V 150A rating, internal regulator, 8 groove V-ribbed pulley, and the listed mounting measurements before purchase. The Mercedes-Benz and Actros MP4 / MP5 references are provided as application guidance only and should be checked against the vehicle and the removed unit.

FAQ

What is the part number for this alternator?

The part number is MG934.

What voltage and output does this alternator have?

It is a 24V alternator with a 150A charge current rating.

Does this alternator have an internal regulator?

Yes. The regulator type is listed as internal.

What pulley setup does it use?

It uses a V-ribbed belt pulley with an 8 groove section and a 94mm outside diameter.

What vehicle references are listed for fitment?

The provided fitment references include Mercedes-Benz and Mercedes-Benz Actros MP4 / MP5, including sample applications for 2011, 2013, and 2015.

Is this a new or remanufactured alternator?

This unit is listed as new.