MPA Electrical 7894603 Alternator

Remanufactured 85 Amp Alternator

MPA Electrical Part Number 7894603 is a remanufactured 12-volt alternator built for GM truck and van applications that use an external fan, internal regulator, clockwise rotation, and a 6-groove serpentine pulley. It is specified at 85 amps and is listed for vehicles without air conditioning in many applications.

This alternator cross-references 1101630 and 1105712 for the same application.

Key Features

• 85 amp output for 12-volt charging systems
• Internal regulator for simplified charging control
• External fan design
• Clockwise rotation
• 6-groove serpentine pulley
• Delco manufacturer specification
• Remanufactured by MPA Electrical

Fitment Details

• Fits 1990-1992 Chevrolet C1500, N/A; fits vehicles without air conditioning.
• Fits 1991-1992 Chevrolet C2500, N/A; fits vehicles without air conditioning.
• Fits 1992 Chevrolet C2500 Suburban, N/A; standard, with 85 amp alternator.
• Fits 1988-1992 Chevrolet C3500, N/A; fits vehicles without air conditioning.
• Fits 1991-1992 Chevrolet K2500, N/A; fits vehicles without air conditioning.
• Fits 1992 Chevrolet K2500 Suburban, N/A; standard, with 85 amp alternator.
• Fits 1988-1992 Chevrolet K3500, N/A; fits vehicles without air conditioning.
• Fits 1991-1992 GMC C2500, N/A; fits vehicles without air conditioning.
• Fits 1992 GMC C2500 Suburban, N/A; fits vehicles without air conditioning.
• Fits 1988-1992 GMC C3500, N/A; fits vehicles without air conditioning.
• Fits 1991-1992 GMC K2500, N/A; fits vehicles without air conditioning.
• Fits 1992 GMC K2500 Suburban, N/A; fits vehicles without air conditioning.
• Fits 1988-1992 GMC K3500, N/A; fits vehicles without air conditioning.
• Fits 1988-1991 Chevrolet G30, N/A; with 85 amp alternator.
• Fits 1990-1991 Chevrolet R2500 Suburban, N/A; standard, with 85 amp alternator.
• Fits 1988-1991 GMC G3500, N/A; fits vehicles without air conditioning.
• Fits 1990-1991 GMC R2500 Suburban, N/A; fits vehicles without air conditioning.
• Fits 1990 Chevrolet V2500 Suburban, N/A; standard, with 85 amp alternator.
• Fits 1989 Chevrolet R2500, N/A; with 85 amp alternator.
• Fits 1989 Chevrolet R3500, N/A; with 85 amp alternator.
• Fits 1989 Chevrolet V3500, N/A; with 85 amp alternator.
• Fits 1989 GMC R2500, N/A; with 85 amp alternator.
• Fits 1989 GMC R2500 Suburban, N/A; with 85 amp alternator.
• Fits 1989 GMC R3500, N/A; with 85 amp alternator.
• Fits 1989 GMC V3500, N/A; with 85 amp alternator.

What It Helps Address

• Low battery charging caused by a worn alternator
• Dim lights or electrical instability at idle
• Charging system warning lights
• Voltage drop in Chevrolet C1500, C2500, K2500, and related GMC applications
• Alternator failure on 12-volt GM truck charging systems

Installation Notes

Verify pulley groove count, rotation, regulator style, and amperage before installation. This unit is listed for applications with a 6-groove serpentine belt and clockwise rotation, so matching the original alternator specifications is important for proper fitment on Chevrolet and GMC trucks, Suburbans, and G-series vans.

Quality Assurance

MPA Electrical supplies this unit as a remanufactured alternator built to Delco specifications for the listed applications. Confirm the vehicle’s charging-system requirements against the part number 7894603 and the fitment notes before installation.