Genuine Products Alternator Passenger 1K0J18300 – BT-50 3L 4X4

This Genuine Products alternator is listed as an ALTERNATOR PASSENGER and is described as a direct suit for BT-50 3L 4x4 applications. The key identifier is Part No. 1K0J18300, which is the safest reference to use when matching the unit against the vehicle and the existing alternator.

It is supplied as an each unit in the ROTATING ELECTRICAL product group and carries a one year warranty. The feature listed is OE product, so it is presented as an original-equipment style replacement rather than a universal alternator.

When checking this part for your vehicle, keep the part number, vehicle application, and alternator type aligned before ordering. The product details provided identify the item as a passenger alternator, with the stated application centred on BT-50 3L 4x4 use.

Key Features

• OE product
• Alternator passenger type
• Supplied as each
• One year warranty
• Rotating electrical product group
• Part No. 1K0J18300

Specifications

• Brand: Genuine Products
• Product type: Alternator passenger
• Part number: 1K0J18300
• Description: Alternator suits BT-50 3L 4x4
• Unit of measure: Each
• Warranty: One year
• Product group 1: Rotating electrical
• Product group 2: Alternators

Fitment guidance

• Listed application: BT-50 3L 4x4
• Fitment reference includes Mazda BT-50
• Fitment reference includes Isuzu D-MAX
• Sample fitment data includes Mazda BT-50 2020
• Sample fitment data includes Isuzu D-MAX 2020

Application and Buying Notes

Before buying, confirm the vehicle application against the part number 1K0J18300 and the alternator currently fitted to the vehicle. The listing identifies this as an alternator passenger unit for BT-50 3L 4x4 use, so the safest match is the one that aligns with the existing part details and the application on the vehicle.

Alternators can look similar across different makes and model years, including the fitment references shown for Mazda BT-50 and Isuzu D-MAX. That is why the part number is important: it gives you a clear checkpoint alongside the vehicle description, rather than relying on appearance alone.

The item is sold as an OE product and covered by a one year warranty, which may be useful for buyers wanting a like-for-like style replacement. Even so, the correct choice still depends on matching the stated application, the alternator type, and the vehicle’s existing specifications before the order is placed.

If you are replacing a failed alternator, compare the old unit carefully before fitment. Check the part number, mounting arrangement, and whether the vehicle matches the listed BT-50 3L 4x4 application, as those details matter more than a general alternator description when selecting the correct part.

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 1K0J18300 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, Product Group 1 ROTATING ELECTRICAL, Part No. 1K0J18300, Brand GENUINE PRODUCTS, Description Alternator Suits BT50 3L 4X4, Product Group 2 ALTERNATORS.

Alternator Suits BT50 3L 4X4. Part number 1K0J18300 should be checked first. These details form the core reference points used by parts interpreters when confirming the correct replacement.

For part number 1K0J18300, 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 electrical specification 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, MAZDA BT-50, MAZDA BT-50 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.

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 with part number 1K0J18300 and the BT-50 3L 4x4 application details before ordering. Where a vehicle has multiple alternator variants, the existing unit and vehicle-specific details should be checked carefully against this listing.

FAQ

What is the part number for this alternator?

The listed part number is 1K0J18300. For this listing, part number 1K0J18300 is the main reference point. Published fitment references include ISUZU D-MAX, ISUZU D-MAX 2020, MAZDA BT-50. These details should still be checked against the original unit before ordering.

What vehicle application is stated for this alternator?

It is described as an alternator suits BT-50 3L 4x4. For this listing, part number 1K0J18300 is the main reference point. Published fitment references include ISUZU D-MAX, ISUZU D-MAX 2020, MAZDA BT-50. These details should still be checked against the original unit before ordering.

Is this an OE product?

Yes. The listed feature is OE product. For this listing, part number 1K0J18300 is the main reference point. Published fitment references include ISUZU D-MAX, ISUZU D-MAX 2020, MAZDA BT-50. These details should still be checked against the original unit before ordering.

What warranty is provided?

The warranty listed is one year. For this listing, part number 1K0J18300 is the main reference point. Published fitment references include ISUZU D-MAX, ISUZU D-MAX 2020, MAZDA BT-50. These details should still be checked against the original unit before ordering.

What unit is this sold in?

It is sold as each. For this listing, part number 1K0J18300 is the main reference point. Published fitment references include ISUZU D-MAX, ISUZU D-MAX 2020, MAZDA BT-50. These details should still be checked against the original unit before ordering.

Which fitment references are shown in the provided product data?

The fitment references include Mazda BT-50, Mazda BT-50 2020, Isuzu D-MAX, and Isuzu D-MAX 2020. For this listing, part number 1K0J18300 is the main reference point. Published fitment references include ISUZU D-MAX, ISUZU D-MAX 2020, MAZDA BT-50. These details should still be checked against the original unit before ordering.