Prestolite Alternator 12V 220A BLP4005H

The Prestolite BLP4005H is a new 12V alternator with a 220A power rating, supplied as a single unit and identified for application checking by part number BLP4005H. It uses an internal regulator, an insulated return, and a pad mount, so it is important to match the mounting style and electrical arrangement before ordering.

Key physical details include a 22mm shaft diameter and 108mm mount centre to centre. Those measurements matter when you are comparing to the original unit, especially where bracket spacing, shaft fitment, and pulley alignment need to line up correctly for the alternator to install and operate as intended.

This alternator sits in Prestolite’s BLP series and is described as above ground, self excitation, with remote sense and E-Coat. It is a rotating electrical component, and the stated warranty is 36 months or 500000kms, which gives a useful reference point for buyers who are comparing replacement options for fleet or equipment use.

Key Features

• 12V alternator
• 220A output
• Internal regulator
• Pad mount design
• Insulated return
• Self excitation

Specifications

• Brand: Prestolite
• Part No.: BLP4005H
• Product type: Alternator
• Series: BLP
• New / Reman.: New
• Voltage: 12
• Power rating: 220 amp
• Regulator type: Internal

Application and Buying Notes

When comparing this alternator to the one already fitted, start with the part number BLP4005H, then confirm the 12V system requirement, the 220A output, and the pad mount arrangement. Those three points are the most practical first checks, because the wrong mount style or voltage can stop the unit from being suitable even if the alternator looks similar.

The physical measurements are just as important as the electrical rating. A 22mm shaft diameter and 108mm mount centre to centre need to suit the existing bracket and drive setup, otherwise fitment can be affected. If the original unit uses a different shaft size, different mounting centres, or a different regulator arrangement, treat that as a sign to verify compatibility before purchase.

The listed features, including self excitation, remote sense, above ground, and E-Coat, may be relevant to how the unit is used and installed, but they do not replace a direct fitment check. The safest approach is to compare the old alternator label, mounting points, connector arrangement, and application details against the BLP4005H listing so you can avoid unnecessary downtime and returns.

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 BLP4005H 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 36 Months 500000kms, Regulator Type Internal, Shaft Diameter 22mm, Voltage 12, Mount Cnt to Cnt 108mm, Insulated Return Yes, Product Group 1 ROTATING ELECTRICAL, Part No. BLP4005H.

Additional published details for cross-checking include Brand PRESTOLITE, Description Prestolite Alternator 12V 220A, Power Rating (Amp) 220, Series BLP, Suits Unit Make Prestolite, Alternator Mount Pad, New / Reman. New, Product Group 2 ALTERNATORS.

Prestolite Alternator 12V 220A. Part number BLP4005H should be checked first. Listed voltage is 12. Listed output rating is 220. These details form the core reference points used by parts interpreters when confirming the correct replacement.

Mount style is Pad. Regulator type is Internal. Those physical and electrical details should line up with the original unit before the replacement is approved for fitment.

For part number BLP4005H, 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 220 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Where no verified application list is available, the part number, mounting details, connector style, and published specifications should be used as the primary selection criteria.

Compatibility note: Confirm compatibility by matching part number BLP4005H, 12V system requirements, 220A output, pad mount, 22mm shaft diameter, 108mm mount centre to centre, and the internal regulator arrangement before buying.

FAQ

What is the part number for this Prestolite alternator?

The part number is BLP4005H. For this listing, part number BLP4005H is the main reference point. Listed voltage is 12. Listed output rating is 220. These details should still be checked against the original unit before ordering.

What voltage and output does it have?

It is a 12V alternator with a 220A power rating. For this listing, part number BLP4005H is the main reference point. Listed voltage is 12. Listed output rating is 220. 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 BLP4005H is the main reference point. Listed voltage is 12. Listed output rating is 220. These details should still be checked against the original unit before ordering.

What type of regulator does it use?

It uses an internal regulator. For this listing, part number BLP4005H is the main reference point. Listed voltage is 12. Listed output rating is 220. These details should still be checked against the original unit before ordering.

What mounting details are provided?

It is a pad mount alternator with a 22mm shaft diameter and 108mm mount centre to centre. For this listing, part number BLP4005H is the main reference point. Listed voltage is 12. Listed output rating is 220. These details should still be checked against the original unit before ordering.

What warranty is listed?

The listed warranty is 36 months or 500000kms. For this listing, part number BLP4005H is the main reference point. Listed voltage is 12. Listed output rating is 220. These details should still be checked against the original unit before ordering.