OEX Alternator 12V 130A Denso Style DXA4184HO

The OEX Alternator 12V 130A Denso Style is a new rotating electrical unit with a 130 amp output at 12 volts, supplied under part number DXA4184HO. It is designed as a Denso style alternator with a twin leg mount, 7 groove pulley, 58mm pulley outside diameter, and a 160mm centre-to-centre mount spacing, so the physical mounting points matter when checking replacement suitability.

This unit is listed as an upgrade from the original 90A alternator to a 130A high output setup, and it comes with cable and fuse included for the upgrade. That makes the electrical and installation details important: the alternator itself is one part of the job, but the supplied upgrade cable and fuse are there to support the change in output.

Application details provided with this part include Toyota Hilux GUN126R 2.8L 1GD-FTV from 11/15 on. The fitment information also references Toyota Fortuner and Toyota Hilux applications, so confirming the exact vehicle, engine, build date, and mounting arrangement before ordering is still the safest approach.

As with any alternator change, the key checks are voltage, amperage, mount type, pulley style, and part number. This unit is a 12V, 130A, new alternator with inside mounting legs at 51mm, an M10x1.25 / 11 pivot hole diameter, and a 12.5mm adjusting hole diameter, all of which need to align with the vehicle setup.

Key Features

• 12V alternator with 130A output
• New unit, not remanufactured
• Denso style alternator
• Twin leg mount
• 7 groove pulley
• Cable and fuse included for upgrade

Specifications

• Brand: OEX
• Part number: DXA4184HO
• Product type: Alternator
• Voltage: 12V
• Power rating: 130A
• New / Remanufactured: New
• Suits unit make: Denso
• Alternator mount: Twin leg

Fitment guidance

• Toyota Hilux GUN126R 2.8L 1GD-FTV from 11/15 on
• Toyota Fortuner applications are referenced in the fitment data
• Toyota Hilux applications are referenced in the fitment data
• Confirm the exact vehicle build date, engine, and mounting arrangement before ordering

Application and Buying Notes

The most important buying check for this alternator is matching the part number DXA4184HO against the vehicle application and mounting style. It is a 12V, 130A Denso style unit with a twin leg mount, so a vehicle that originally used a different mount type, pulley arrangement, or output rating may not be a direct swap without the correct supporting parts.

This alternator is intended as an upgrade from an original 90A unit to a 130A high output setup. The listing notes that cable and fuse are included for the upgrade, which is a useful point to check if you are replacing a standard output alternator and want the supporting electrical hardware identified at the same time.

The physical dimensions are just as important as the electrical rating. Key measurements supplied here include a 58mm pulley outside diameter, 7 groove pulley section, 160mm mount centre-to-centre, 51mm inside mounting legs, and M10x1.25 / 11 pivot hole diameter. These figures should be compared with the original alternator before purchase, especially where access is tight or the belt drive layout is specific.

The only clearly stated vehicle application is Toyota Hilux GUN126R 2.8L 1GD-FTV from 11/15 on, with Toyota Fortuner and Toyota Hilux also appearing in the fitment data. Even where the make and model appear similar, the exact engine and build date should still be checked, because alternators can vary between variants within the same range.

For commercial use, the warranty listed is 1 year, while passenger use is covered for 3 years. That makes the intended use case worth considering at the time of purchase, along with the fact that this is a new unit and not a remanufactured one. Matching the warranty expectation to the vehicle’s use helps avoid confusion later.

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 DXA4184HO 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, Inside Mounting Legs 51mm, Pivot Hole Diameter M10x1.25 / 11, Pulley Outside Diameter 58mm, Suits Unit Make Denso, Note Cable and fuse included for upgrade., Mount Cnt to Cnt 160mm, Weight 5.42kg.

Additional published details for cross-checking include Product Group 1 ROTATING ELECTRICAL, Part No. DXA4184HO, Brand OEX, Description OEX Alternator 12V 130A Denso Style, Adjusting Hole Diameter 12.5, Pin Code IR201, Power Rating (Amp) 130, Pulley Section 7 Groove, Voltage 12, Alternator Mount Twin Leg.

OEX Alternator 12V 130A Denso Style. Part number DXA4184HO should be checked first. Listed voltage is 12. Listed output rating is 130. These details form the core reference points used by parts interpreters when confirming the correct replacement.

Compatibility note: Please confirm fitment using part number DXA4184HO, the Denso style twin leg mount details, and the stated Toyota Hilux GUN126R 2.8L 1GD-FTV from 11/15 on application before ordering.

FAQ

What vehicle application is clearly listed for this alternator?

The clearly stated application is Toyota Hilux GUN126R 2.8L 1GD-FTV from 11/15 on. Toyota Fortuner and Toyota Hilux also appear in the fitment data, but the exact variant should still be checked against the vehicle.

Is this alternator new or remanufactured?

It is listed as new.

What is the output rating?

The alternator is rated at 130A and 12V.

Does it suit Denso-style applications?

Yes. The alternator is listed as Denso style and the suit unit make is Denso.

What mounting details are provided?

The supplied mounting details include twin leg mount, 51mm inside mounting legs, 160mm mount centre-to-centre, M10x1.25 / 11 pivot hole diameter, and a 12.5mm adjusting hole diameter.

Is anything included for the upgrade?

Yes. The listing notes that cable and fuse are included for the upgrade.