OEX Alternator 12V 90A Denso Style DXA4175

The OEX DXA4175 is a new 12V alternator rated at 90A and built in a Denso style layout. It suits a single leg alternator mount, uses a 7 groove pulley, and has an internal regulator. Those details matter when matching the unit to the vehicle, especially where the original alternator has a similar appearance but a different regulator function.

This unit has a mount leg thickness of 60mm, a mount centre-to-centre measurement of 160mm, and an M8x1.25 adjusting hole diameter. The pulley outside diameter is 55mm, and the alternator weighs 4.42kg. When replacing a charging unit, these physical and electrical details are as important as the vehicle model itself.

A key note on this part is that it is one of two identical looking alternators with different regulator functions. The recommended check is to confirm the OE number before ordering. That is the safest way to avoid fitment errors on vehicles where the alternator housing, pulley layout, and voltage rating can appear similar but still differ in application.

Key Features

• 12V alternator rated at 90A
• New unit, not remanufactured
• Denso style alternator
• Internal regulator type
• Single leg alternator mount
• 7 groove pulley

Specifications

• Voltage: 12V
• Power rating: 90A
• Pulley section: 7 groove
• Pulley outside diameter: 55mm
• Alternator mount: single leg
• Mount leg thickness: 60mm
• Mount centre to centre: 160mm
• Adjusting hole diameter: M8x1.25

Fitment guidance

• Suit vehicle build date from 06/16 to 06/19.
• Fitment information supplied for Isuzu D-Max applications.
• Confirm the OE number before purchase due to similar-looking alternators with different regulator functions.

Application and Buying Notes

Before ordering, check the OE number against the original alternator. This DXA4175 unit is one of two visually similar alternators with different regulator functions, so matching by appearance alone is not enough. The internal regulator type, 12V charging system, and 90A output all need to align with the vehicle’s original specification.

Physical measurements should also be checked against the removed unit. The mount leg thickness is 60mm, the mount centre-to-centre measurement is 160mm, the adjusting hole diameter is M8x1.25, and the pulley is a 7 groove design with a 55mm outside diameter. If any of those points differ from the old alternator, the part may not be the correct match.

For buyers working on Isuzu D-Max applications, the supplied build-date range is from 06/16 to 06/19. That gives a useful starting point, but it should still be treated as a guide rather than a guarantee. The safest approach is to verify the OE number, compare the pulley arrangement, and confirm the mounting style before fitting.

This alternator is supplied as a new unit and carries a 3-year warranty for passenger use and a 1-year warranty for commercial use. Warranty terms are useful, but they do not replace fitment checking. Correct matching at the vehicle level remains the most important step, particularly where charging system parts have the same general shape but different control functions.

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 DXA4175 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 60mm, Power Rating (Amp) 90, Pulley Section 7 Groove, Suits Unit Make Denso, Note One of two identical looking alternators, both with different regulator functions. Confirm by OE number., Mount Cnt to Cnt 160mm, Weight 4.42kg.

Additional published details for cross-checking include Product Group 1 ROTATING ELECTRICAL, Part No. DXA4175, Brand OEX, Description OEX Alternator 12V 90A Denso Style, Adjusting Hole Diameter M8x1.25, Pin Code IR234, Pulley Outside Diameter 55mm, Regulator Type Internal, Voltage 12, Alternator Mount Single Leg.

OEX Alternator 12V 90A Denso Style. Part number DXA4175 should be checked first. Listed voltage is 12. Listed output rating is 90. 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 7 Groove. Those physical and electrical details should line up with the original unit before the replacement is approved for fitment.

For part number DXA4175, 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 90 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Available application references include ISUZU D-MAX, ISUZU D-MAX 2020. Even with application listings, final confirmation should still be based on the exact unit being replaced and the service requirements of the vehicle or machine.

Compatibility note: Confirm fitment using the OE number, build date, regulator type, and mounting measurements before ordering. The part is listed as suitable for vehicle build dates from 06/16 to 06/19, with supplied fitment guidance for Isuzu D-Max applications.

FAQ

What is the part number for this alternator?

The part number is DXA4175.

What is the voltage and output rating?

It is a 12V alternator with a 90A power rating.

Is this a new or remanufactured alternator?

It is a new unit.

What type of regulator does it have?

It has an internal regulator.

What fitment check is most important for this part?

Confirm the OE number, because this is one of two identical looking alternators with different regulator functions.

What vehicle build dates are listed for this alternator?

The supplied build-date range is from 06/16 to 06/19, with fitment guidance referenced for Isuzu D-Max applications.