Mahle Alternator 12V 33A MG372

The Mahle alternator listed here is a new 12V unit with a 33A charge current and internal regulator, supplied under part number MG372. It is described as a twin leg alternator mount with an 80mm inside mounting leg dimension, 80.0mm mounting bores distance, and 8mm pivot and adjusting hole diameters.

It comes with a belt pulley, uses a single belt and has a 66mm pulley outside diameter. The listed distance from the pulley to the alternator is 34.0mm, which is a useful check when comparing against the alternator that is already fitted to the vehicle.

The packaging and mounting details are important on this type of alternator, especially where older applications are involved. The unit is identified as Mahle brand, new condition, and covered by a one year warranty.

Fitment information supplied with this part shows a range of classic vehicle applications across Austin, Daimler, Ford, Jaguar, MG, Morris, Rover and Triumph. Because alternator brackets, pulley alignment and regulator style can vary between models and engine setups, the safest approach is to confirm the part number and mounting measurements before ordering.

Key Features

• 12V alternator with 33A charge current
• Internal regulator type
• New unit, not remanufactured
• Twin leg alternator mount
• Supplied with belt pulley
• Single-belt pulley section A

Specifications

• Brand: Mahle
• Product type: Alternator
• Voltage: 12V
• Charge current: 33A
• Power rating: 33 amp
• Regulator type: Internal
• New / remanufactured: New
• Alternator mount: Twin leg

Verified application groups supplied for this alternator

• Austin Mini
• Daimler 2.8 - 5.3
• Ford Cargo
• Jaguar XJ
• MG Midget
• Morris 1100
• Rover 2000-3500
• Triumph 2500

Application and Buying Notes

Before buying, compare the fitted alternator against the key measurements here: 12V system voltage, 33A output, internal regulator, twin leg mounting, 80mm inside mounting legs and 8mm pivot and adjusting holes. These are the details most likely to determine whether the unit can be mounted and wired correctly on the vehicle.

The pulley and belt details also matter. This alternator is supplied with a pulley, uses an A section pulley profile and is set up for one belt with a 66mm outside diameter pulley. Matching pulley alignment and belt style is important, particularly where the original alternator or mounting arrangement has been changed over time.

The fitment groups supplied with this part cover older applications including Austin Mini, Daimler 2.8 - 5.3, Ford Cargo, Jaguar XJ, MG Midget, Morris 1100, Rover 2000-3500 and several Triumph models. Even within those groups, a vehicle may have different brackets, wiring or accessory arrangements, so the part number MG372 and the measured mounting points should be checked against the old unit.

If you are replacing a failed alternator, it is sensible to confirm the distance from pulley to alternator, listed here as 34.0mm, along with the mounting bores distance of 80.0mm. Small differences in bracket spacing or pulley offset can affect installation and belt tracking.

Where a vehicle has been modified, fitted with a non-standard engine, or previously converted with another alternator, the model name alone is not enough. Use the existing unit’s part number, mount type, pulley size and regulator style to compare carefully before purchase.

This alternator is described as new and carries a one year warranty, which gives a clear reference point for buyers wanting a fresh replacement rather than a remanufactured unit. Keep the original unit nearby when checking dimensions, as older vehicles often have running changes that are not obvious from the model badge alone.

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 MG372 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 80mm, Pivot Hole Diameter 8, Pulley Outside Diameter 66mm, Regulator Type Internal, Voltage 12, Mount Cnt to Cnt 142mm, Alternator Charge Current [A] 33.

Additional published details for cross-checking include Mounting Bores Distance 80.0, Number of belts 1, Packaging length 20.8, Packaging height 15.50, Product Group 2 ALTERNATORS, Part No. MG372, Brand MAHLE, Description Mahle Alternator 12V 33A, Adjusting Hole Diameter 8.

Mahle Alternator 12V 33A. Part number MG372 should be checked first. Listed voltage is 12. Listed output rating is 33. 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 A. Those physical and electrical details should line up with the original unit before the replacement is approved for fitment.

For part number MG372, 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.

Compatibility note: Confirm compatibility by matching part number MG372, the 12V / 33A specification, internal regulator type, twin leg mount details and the listed pulley and mounting measurements against the vehicle and the alternator currently installed.

FAQ

What type of alternator is this?

It is a Mahle alternator, new condition, with a 12V rating and 33A charge current. The regulator type is internal.

What is the part number?

The listed part number is MG372.

Does it come with a pulley?

Yes. The specifications state that it is supplied with belt pulley.

What mounting details are listed?

The unit is a twin leg alternator mount with 80mm inside mounting legs, 80.0mm mounting bores distance, 8mm pivot hole diameter and 8mm adjusting hole diameter.

Which vehicles are listed in the application groups?

The supplied fitment groups include Austin Mini, Daimler 2.8 - 5.3, Ford Cargo, Jaguar XJ, MG Midget, Morris 1100, Rover 2000-3500, Triumph 2500, Triumph Dolomite, Triumph Spitfire and Triumph TR 6.

What warranty is supplied?

The warranty listed for this alternator is one year.