OEX Alternator 12V 90A 1K0K18300 Suits Mazda BT-50 1.9L 4X4

This OEX passenger alternator is a 12V, 90A unit with part number 1K0K18300. It is listed as a new alternator with an internal regulator, pad mount arrangement, and a 7 groove pulley, so those details should be matched carefully before ordering.

The application information supplied with this unit points to Mazda BT-50 use, including BT-50 2021 references, and specifically notes suitability for BT-50 1.9L 4X4. Because alternators can vary by engine, mounting style, pulley setup, and electrical output, it is worth checking the existing unit before fitting.

OEX states that its products are sourced from market leading original equipment manufacturers and aftermarket suppliers, with manufacture from ISO certified factories. This alternator is backed by a one year warranty and weighs 4.38kg, which may be useful when comparing it to the unit currently in the vehicle.

Key Features

• 12V alternator with 90A output
• New unit, not remanufactured
• Internal regulator
• 7 groove pulley
• Pad mount alternator
• Part number 1K0K18300

Specifications

• Brand: OEX
• Product type: Alternator passenger
• Voltage: 12V
• Current output: 90A
• Part number: 1K0K18300
• Regulator type: Internal
• New / remanufactured: New
• Alternator mount: Pad

Fitment information supplied

• Mazda BT-50
• Mazda BT-50 2021
• Mazda BT-50 1.9L 4X4

Application and Buying Notes

Before buying, compare the part number 1K0K18300 with the alternator already fitted to the vehicle. Matching the part number is the safest starting point, especially where the application also depends on the Mazda BT-50 model, 1.9L engine, and 4X4 configuration.

Check the mounting arrangement on the existing unit. This alternator is a pad mount type with a 50mm mount leg thickness and 10 / 12mm mount hole diameter, so the physical mounting points need to line up with the vehicle and bracket setup already in place.

The pulley details matter as well. This unit has a 7 groove pulley with a 55mm outside diameter, so the belt type and groove count should be confirmed against the old alternator before purchase. A mismatch here can prevent correct installation or belt tracking.

Electrical output is another useful check point. This alternator is rated at 12V and 90A, so it should be compared with the original unit’s output specification rather than assumed to suit every BT-50 variant. The listed Denso unit make is also worth confirming against the vehicle’s current setup.

If you are unsure, compare the old alternator side by side with the new one, including the regulator style, mount style, pulley groove count, and overall weight of 4.38kg. Those details can help confirm whether the replacement is the correct match before the vehicle is taken apart or reassembled.

This alternator is sold as a single each unit and carries a one year warranty. That warranty does not remove the need to verify compatibility, but it does provide a clear reference for the purchase terms on the item supplied.

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 1K0K18300 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 PASSENGER, Unit of Measure EACH, Warranty One Year, Mount Leg Thickness 50mm, Pulley Outside Diameter 55mm, Regulator Type Internal, Voltage 12, New / Reman. New, Product Group 2 ALTERNATORS.

Additional published details for cross-checking include Part No. 1K0K18300, Brand OEX, Description OEX Alternator 12V 90A Suits BT50 1.9L 4X4, Mount Hole Diameter 10 / 12, Power Rating (Amp) 90, Pulley Section 7 Groove, Suits Unit Make Denso, Alternator Mount Pad, Weight 4.38kg, Product Group 1 ROTATING ELECTRICAL.

OEX Alternator 12V 90A Suits BT50 1.9L 4X4. Part number 1K0K18300 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 Pad. 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 1K0K18300, 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 passenger 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 MAZDA BT-50, MAZDA BT-50 2021. 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.

The listed warranty is One Year. Warranty terms should be considered alongside correct application and part identification, as warranty does not replace fitment confirmation.

Compatibility note: Please confirm fitment by checking part number 1K0K18300, the Mazda BT-50 application details, engine and drivetrain configuration, and the alternator’s mount and pulley specifications before ordering.

FAQ

What is the part number for this alternator?

The listed part number is 1K0K18300.

What vehicle application is supplied for this alternator?

The supplied application information points to Mazda BT-50 use, including Mazda BT-50 2021 references, and specifically notes BT-50 1.9L 4X4.

Is this a new alternator or a remanufactured unit?

This unit is listed as new.

What are the key electrical specifications?

It is a 12V alternator with a 90A power rating and an internal regulator.

What pulley and mounting details are listed?

The alternator has a 7 groove pulley, 55mm pulley outside diameter, pad mount arrangement, 50mm mount leg thickness, and 10 / 12mm mount hole diameter.

What warranty is supplied with this alternator?

The listed warranty is one year.