Mahle Alternator 12V 120A MG137

The MAHLE MG137 alternator is a new 12V unit rated at 120A, supplied as each and identified with OEM number 11204669. It is a multi-function alternator with an internal regulator, designed with a single-leg mount and a V-ribbed belt pulley, so the mounting style and drive arrangement need to match the vehicle application before purchase.

Key dimensions include a 55mm pulley outside diameter, 8-groove pulley section, 51mm mount leg thickness, 10mm pivot hole diameter, and M8x1.25 adjusting hole diameter. The mounting bores distance is listed at 50.8, with mounting points diameter at 86.0 and distance from the pulley to the alternator at 24.1.

This alternator is listed as rotation clockwise and carries a 120A charge current at 12V. It is also noted as complying with international standards for electromagnetic compatibility, manufactured using the latest technologies and materials, and ISO 9001 certified. The unit comes with a one-year warranty.

Key Features

• 12V alternator rated at 120A
• New unit, supplied each
• Internal regulator
• Single-leg alternator mount
• V-ribbed belt pulley, 8-groove
• Clockwise rotation

Specifications

• Brand: MAHLE
• Product type: Alternator
• Alternator type: Multi-function
• Power rating: 120A
• Charge current: 120A
• Voltage: 12V
• Rotation: CW
• Regulator type: Internal

Fitment details supplied

• CASE 570NXT
• CASE 570NXT 2014
• CASE 695ST
• CASE 695ST 2013

Application and Buying Notes

Before ordering, check the part number MG137 and OEM number 11204669 against the existing alternator or vehicle parts listing. The mounting style is a single-leg alternator mount, so the physical fit depends on the bracket layout, mount leg thickness of 51mm, pivot hole diameter of 10, and the 50.8 mounting bores distance.

The drive setup also needs to match. This unit uses a V-ribbed belt pulley with an 8-groove pulley section and a 55mm pulley outside diameter. If the belt type or groove count differs from the original unit, the alternator may not suit the application even if the electrical rating appears similar.

Electrical matching matters as well. This alternator is 12V with a 120A charge current and an internal regulator, so the charging system in the vehicle should be configured for those details. The listed clockwise rotation is another point to confirm, along with the adjusting hole diameter of M8x1.25 and the mounting points diameter of 86.0.

The supplied fitment references include CASE 570NXT, CASE 570NXT 2014, CASE 695ST, and CASE 695ST 2013. Use those application details as a guide only, and confirm the exact vehicle configuration, engine setup, and existing alternator part numbers before committing to purchase. That is the safest way to avoid installation issues when replacing a rotating electrical 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 MG137 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 51mm, Pivot Hole Diameter 10, Pulley Outside Diameter 55mm, Regulator Type Internal, Suits Unit Make Mahle, Alternator Mount Single Leg, OEM Number 11204669.

Additional published details for cross-checking include Pulleys with V-ribbed belt pulley, Mounting Bores Distance 50.8, Distance from pulley to the alternator 24.1, Packaging width 18.60, Net Weight 5790, Product Group 1 ROTATING ELECTRICAL, Part No. MG137, Brand MAHLE, Description Mahle Alternator 12V 120A, Adjusting Hole Diameter M8x1.25.

Mahle Alternator 12V 120A. Part number MG137 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 Single Leg. 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 MG137, 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 using part number MG137, OEM number 11204669, and the vehicle application details before ordering. Check the mount style, pulley type, groove count, voltage, amperage, and rotation against the original alternator.

FAQ

What is the voltage and output of this alternator?

It is a 12V alternator with a 120A power rating and 120A charge current. For this listing, part number MG137 is the main reference point. Listed voltage is 12. Listed output rating is 120. Published fitment references include CASE 570NXT, CASE 570NXT 2014, CASE 695ST. These details should still be checked against the original unit before ordering.

Is this alternator new or remanufactured?

This unit is listed as new. For this listing, part number MG137 is the main reference point. Listed voltage is 12. Listed output rating is 120. Published fitment references include CASE 570NXT, CASE 570NXT 2014, CASE 695ST. These details should still be checked against the original unit before ordering.

What regulator type does it use?

It has an internal regulator. For this listing, part number MG137 is the main reference point. Listed voltage is 12. Listed output rating is 120. Published fitment references include CASE 570NXT, CASE 570NXT 2014, CASE 695ST. These details should still be checked against the original unit before ordering.

What pulley setup does it have?

It uses a V-ribbed belt pulley with an 8-groove pulley section and a 55mm pulley outside diameter. For this listing, part number MG137 is the main reference point. Listed voltage is 12. Listed output rating is 120. Published fitment references include CASE 570NXT, CASE 570NXT 2014, CASE 695ST. These details should still be checked against the original unit before ordering.

What vehicles are listed in the fitment data?

The supplied fitment references include CASE 570NXT, CASE 570NXT 2014, CASE 695ST, and CASE 695ST 2013. For this listing, part number MG137 is the main reference point. Listed voltage is 12. Listed output rating is 120. Published fitment references include CASE 570NXT, CASE 570NXT 2014, CASE 695ST. These details should still be checked against the original unit before ordering.

What should I check before buying?

Check the part number MG137, OEM number 11204669, mount style, pulley type, groove count, rotation, 12V rating, and 120A output against the existing alternator and vehicle application details. For this listing, part number MG137 is the main reference point. Listed voltage is 12. Listed output rating is 120. Published fitment references include CASE 570NXT, CASE 570NXT 2014, CASE 695ST. These details should still be checked against the original unit before ordering.