OEX Alternator 24V 50A Denso Style DXA437

The OEX DXA437 is a new 24V 50A alternator in Denso style, supplied as a single-leg mount unit for rotating electrical applications. It is listed with an internal regulator, an AA pulley section, and an 76mm pulley outside diameter, so it is important to compare the mounting and drive details carefully before ordering.

This alternator suits Denso units and carries the part number DXA437, with key mounting dimensions including a 58mm mount leg thickness, 165mm mount centre to centre, and a 10mm pivot hole diameter. The adjusting hole is M8x1.25, and the shaft dimension is 17.

The unit is new, weighs 6.16kg, and is described with an inactive W/L circuit note. That combination makes it suitable for buyers who need a 24V 50A replacement and are matching by part number, unit style, and physical dimensions rather than by appearance alone.

Key Features

• 24V alternator with 50A output
• Denso style unit
• New alternator, not remanufactured
• Internal regulator
• Single leg mount design
• AA pulley section with 76mm outside diameter

Specifications

• Brand: OEX
• Product type: Alternator
• Part No.: DXA437
• Voltage: 24V
• Power rating: 50A
• New / Reman.: New
• Regulator type: Internal
• Alternator mount: Single leg

Known application guidance

• Fitment references include Hino, Daihatsu, Dynapac, Komatsu, Mercedes-Benz, Mitsubishi Fuso, Toyota, and UD Nissan Diesel applications.
• Sample applications listed include Hino 300 Series, Daihatsu Delta, Dynapac CA1500D/PD, Komatsu PC130-7, Mercedes-Benz Actros MP2/MP3, Mitsubishi Fuso Fighter, Toyota Coaster, and UD Nissan Diesel MK Series.
• Because the fitment list is broad and model-specific, the exact vehicle or machine application should be checked against the part number and the mounting and electrical specifications before purchase.

Application and Buying Notes

This alternator is identified as DXA437 and is a 24V 50A Denso style unit, so the safest buying approach is to match the part number, the Denso unit make, and the physical mounting dimensions. The 165mm mount centre to centre, 58mm mount leg thickness, and 10mm pivot hole are the sort of details that determine whether the unit will physically line up in the vehicle or machine.

The pulley details also matter. This unit uses an AA pulley section with a 76mm outside diameter, so the belt profile and pulley size should be checked against the existing alternator before fitting. If the belt type or pulley section does not match, the alternator may not be suitable even if the electrical rating appears close.

Electrical compatibility needs the same care as the bracket measurements. The alternator is 24V, rated at 50A, and uses an internal regulator. If the vehicle or equipment uses a different voltage system, a different regulator arrangement, or a different warning lamp circuit setup, this unit may not be the correct replacement.

The note ‘inactive W/L circuit’ is worth checking against the existing installation, especially where the warning lamp circuit is part of the charging system diagnosis. Buyers should confirm the original alternator style, connector arrangement, and whether the current unit is also a Denso style replacement before proceeding.

This is a new unit with a listed weight of 6.16kg, which may help when comparing against the removed alternator during bench inspection or parts verification. If the original unit is still available, compare the shaft dimension of 17, the adjusting hole M8x1.25, and the single-leg mount layout so the replacement can be matched with confidence.

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 DXA437 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 3yr Passenger 1yr Commercial, Mount Leg Thickness 58mm, Pivot Hole Diameter 10, Pulley Outside Diameter 76mm, Regulator Type Internal, Voltage 24, Alternator Mount Single Leg, New / Reman. New.

Additional published details for cross-checking include Weight 6.16kg, Product Group 1 ROTATING ELECTRICAL, Part No. DXA437, Brand OEX, Description OEX Alternator 24V 50A Denso Style, Adjusting Hole Diameter M8x1.25, Pin Code IR11, Power Rating (Amp) 50, Pulley Section AA, Suits Unit Make Denso.

OEX Alternator 24V 50A Denso Style. Part number DXA437 should be checked first. Listed voltage is 24. Listed output rating is 50. 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 AA. Those physical and electrical details should line up with the original unit before the replacement is approved for fitment.

For part number DXA437, 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 24 and output 50 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Compatibility note: Confirm fitment using part number DXA437, Denso unit style, 24V 50A rating, and the listed mounting and pulley dimensions before ordering.

FAQ

What is the part number for this alternator?

The listed part number is DXA437.

What voltage and output does this alternator have?

It is a 24V alternator with a 50A power rating.

Is this alternator new or remanufactured?

It is listed as new.

Does it use an internal regulator?

Yes. The regulator type is listed as internal.

What mounting details are provided?

The listed mounting details include a single leg mount, 58mm mount leg thickness, 165mm mount centre to centre, and a 10mm pivot hole diameter.

Which applications are shown for this alternator?

Fitment references include Hino, Daihatsu, Dynapac, Komatsu, Mercedes-Benz, Mitsubishi Fuso, Toyota, and UD Nissan Diesel applications, but the exact model must still be checked against the part number and dimensions.