High Output Alternator for Porsche 944 (1990-1991) 3.0L

High-Capacity 115A Alternator for 1990-1991 Porsche 944 (Typ 944)

What it Does: The High Output Alternator replaces the degrading factory charging unit on 1990-1991 Porsche 944 models to stabilize system voltage and provide dependable electrical current across all operating RPMs.

The Stock Porsche 944 Charging System Weakness

Aging factory Bosch charging systems on the Typ 944 chassis suffer from severe heat soak due to close packaging against the engine block. Decades of continuous thermal cycling degrade the internal voltage regulator, wear down carbon brushes, and fracture the diode bridge. As current draw climbs from auxiliary cooling fans, ignition components, and interior electronics, failing factory units produce severe voltage sag. This drop in potential destabilizes Motronic DME engine management, induces ignition misfires, and accelerates battery drain on the high-compression M44/41 3.0L powerplant.

The Engineering Solution

Manufactured in the USA, this direct-replacement 115-amp alternator is engineered with heavy-gauge pure copper windings, high-temperature insulation, and upgraded heavy-duty rectifiers. The high-efficiency stator design lowers mechanical drag while generating rock-solid voltage output across idle and redline conditions. Packaged in a precision-cast aluminum housing with sealed low-friction bearings, it delivers clean, ripple-free current and directly replaces factory part numbers 0120468001, 0120468002, 0120468003, 14956, and AL170X.

What's Included

• 1 High Output 115 Amp Alternator

Technical Specifications

Compatibility

• 1990-1991 Porsche 944 S2 Coupe 3.0L
• 1990-1991 Porsche 944 S2 Cabriolet 3.0L

Frequently Asked Questions & Fitment Warnings

Does this fit the Typ 944 944?

Yes, this is a direct fit for the 1990-1991 Porsche 944 equipped with the M44/41 engine. Does not fit earlier 2.5L naturally aspirated, 2.5L Turbo (951), or 2.7L models without bracket modifications.

Does this installation require modifying original wiring or brackets?

No, this unit retains direct-fit factory mounting lugs and stock electrical terminal configurations for plug-and-play installation.

The Porsche Standard

European sports cars require absolute electrical precision; this high-output alternator provides the clean, uninterrupted voltage necessary to maintain sensor accuracy, eliminate DME voltage faults, and keep your transaxle classic running reliably.