OEX Alternator 12V 80A Denso Style DXA4084

The OEX Alternator 12V 80A Denso Style is a new rotating electrical unit with a 12-volt output, 80 amp power rating, and internal regulator. It is listed as part number DXA4084 and uses a Denso-style configuration, so matching the physical mounting layout and electrical setup is important before purchase.

This alternator is supplied with a twin leg mount, 51 mm inside mounting legs, 160 mm centre-to-centre mounting, and a 12.5 mm adjusting hole diameter. It also has a 7 groove pulley with a 58 mm outside diameter, which are the sort of details that need to line up with the original unit on the vehicle.

OEX notes this alternator range is supported by ISO9001 certified factories and is backed by a 3 year passenger / 1 year commercial warranty. For buyers, the key is to confirm the part number, voltage, amp rating, pulley style, and mount arrangement against the existing alternator before ordering.

Key Features

• 12V alternator with 80A output
• Denso style unit
• Internal regulator
• Twin leg alternator mount
• 7 groove pulley
• New unit, not remanufactured

Specifications

• Brand: OEX
• Product type: Alternator
• Voltage: 12V
• Power rating: 80A
• Suits unit make: Denso
• Part number: DXA4084
• New / remanufactured: New
• Regulator type: Internal

Fitment guidance

• TOYOTA: HILUX, HILUX 2015, HILUX 2016, HILUX 2017, HILUX 2018, plus other listed applications

Application and Buying Notes

This alternator should only be matched to the vehicle if the original unit is a Denso-style 12V 80A alternator with the same mount pattern and pulley layout. The important checking points here are the twin leg mount, 51 mm inside mounting legs, 160 mm centre-to-centre spacing, and 7 groove pulley with a 58 mm outside diameter.

Part number matching is the safest starting point. DXA4084 is the listed part number for this OEX alternator, and the internal regulator specification also needs to align with the vehicle’s charging system. If the vehicle uses a different regulator arrangement, mounting pattern, or pulley configuration, this unit may not be suitable even if the alternator looks similar.

The 80 amp output is a specific charging capacity and should be compared with the original alternator specification rather than treated as a universal upgrade. In alternator replacement work, a close visual match is not enough on its own; confirm the electrical connector arrangement, mount dimensions, and pulley section before fitting.

If you are replacing a worn alternator, check the old unit for its labels, pulley groove count, mount style, and dimensions before ordering. The listed details here are the practical ones that usually determine whether the part will install correctly and operate as intended in the vehicle.

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 DXA4084 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, Power Rating (Amp) 80, Pulley Section 7 Groove, Suits Unit Make Denso, Alternator Mount Twin Leg, New / Reman. New, Product Group 1 ROTATING ELECTRICAL.

Additional published details for cross-checking include Part No. DXA4084, Brand OEX, Description OEX Alternator 12V 80A Denso Style, Adjusting Hole Diameter 12.5, Pin Code IR201, Pulley Outside Diameter 58mm, Regulator Type Internal, Voltage 12, Mount Cnt to Cnt 160mm.

OEX Alternator 12V 80A Denso Style. Part number DXA4084 should be checked first. Listed voltage is 12. Listed output rating is 80. 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 7 Groove. Those physical and electrical details should line up with the original unit before the replacement is approved for fitment.

For part number DXA4084, 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 80 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Compatibility note: Confirm fitment by comparing the vehicle application, the existing alternator’s part number, and the physical details listed here before purchase. Do not rely on appearance alone; check the 12V, 80A, Denso-style, twin leg mount, 7 groove pulley, and DXA4084 part number together.

FAQ

What type of part is this?

It is a new OEX alternator for a 12V charging system, rated at 80A, and listed as Denso style with an internal regulator. For this listing, part number DXA4084 is the main reference point. Listed voltage is 12. Listed output rating is 80. Published fitment references include TOYOTA HILUX, TOYOTA HILUX 2015, TOYOTA HILUX 2016. These details should still be checked against the original unit before ordering.

What is the part number?

The listed part number is DXA4084. For this listing, part number DXA4084 is the main reference point. Listed voltage is 12. Listed output rating is 80. Published fitment references include TOYOTA HILUX, TOYOTA HILUX 2015, TOYOTA HILUX 2016. These details should still be checked against the original unit before ordering.

Is this alternator new or remanufactured?

It is listed as new. For this listing, part number DXA4084 is the main reference point. Listed voltage is 12. Listed output rating is 80. Published fitment references include TOYOTA HILUX, TOYOTA HILUX 2015, TOYOTA HILUX 2016. These details should still be checked against the original unit before ordering.

What mounting details are provided?

It has a twin leg alternator mount, 51 mm inside mounting legs, 160 mm centre-to-centre mounting, and a 12.5 mm adjusting hole diameter. For this listing, part number DXA4084 is the main reference point. Listed voltage is 12. Listed output rating is 80. Published fitment references include TOYOTA HILUX, TOYOTA HILUX 2015, TOYOTA HILUX 2016. These details should still be checked against the original unit before ordering.

What pulley details are listed?

The alternator has a 7 groove pulley with a 58 mm outside diameter. For this listing, part number DXA4084 is the main reference point. Listed voltage is 12. Listed output rating is 80. Published fitment references include TOYOTA HILUX, TOYOTA HILUX 2015, TOYOTA HILUX 2016. These details should still be checked against the original unit before ordering.

What warranty is listed?

The warranty is 3 years for passenger use and 1 year for commercial use. For this listing, part number DXA4084 is the main reference point. Listed voltage is 12. Listed output rating is 80. Published fitment references include TOYOTA HILUX, TOYOTA HILUX 2015, TOYOTA HILUX 2016. These details should still be checked against the original unit before ordering.