MPA Electrical 3504S Starter Motor

Remanufactured Starter for GM V8 Applications

The MPA Electrical 3504S is a remanufactured 12-volt starter built for direct-drive operation with a 1.5 kW rating. It uses a clockwise rotation and a 9-tooth design, making it a fitment-focused replacement for a range of Buick, Oldsmobile, and Pontiac vehicles from the late 1970s and early 1980s.

Built under the MPA Electrical Remanufactured line, this starter is intended for buyers who need an OE-style replacement matched to Delco starter specifications. The 3504S part number is also useful when cross-checking service references for Buick LeSabre, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix applications.

Key Features

• Remanufactured starter assembly
• Direct drive design
• 1.5 kW power rating
• 12-volt electrical system
• Clockwise rotation
• 9-tooth drive configuration
• Delco manufacturer specification

Detailed Description

MPA Electrical 3504S starter is specified for classic GM rear-wheel-drive platforms that require a Delco-style direct-drive starter. It is listed for 1978-1983 Buick LeSabre, 1979-1981 Buick Century, 1979-1981 Buick Regal, 1980-1983 Oldsmobile 98, 1980-1983 Oldsmobile Custom Cruiser, 1978-1983 Oldsmobile Cutlass Calais, 1980-1983 Oldsmobile Cutlass Cruiser, 1978-1983 Oldsmobile Cutlass Supreme, 1978-1983 Oldsmobile Delta 88, 1978-1981 Oldsmobile Cutlass, 1978-1981 Pontiac Bonneville, 1978-1981 Pontiac Catalina, 1979-1981 Pontiac Firebird, 1979-1981 Pontiac Grand LeMans, 1978-1981 Pontiac Grand Prix, 1981 Pontiac Laurentian, 1979-1981 Pontiac LeMans, 1981 Pontiac Parisienne, 1978-1980 Oldsmobile Cutlass Salon, and 1978-1980 Pontiac Grand Am. This makes it a practical replacement for shoppers searching for a starter for 1978-1983 Buick LeSabre, Oldsmobile Cutlass Supreme starter replacement, or Pontiac Grand Prix starter applications.

This part cross-references Anchor 3504 and 3507 for the same application.

What It Helps Address

• Engine no-crank condition
• Slow or weak starter engagement
• Intermittent starting caused by worn starter components
• Starter noise related to drive or engagement wear
• Replacement needs for Delco-style GM starter applications

Installation Notes and Tips

Verify the vehicle’s starter specification before installation, including 12-volt system requirements, clockwise rotation, 9-tooth drive count, and direct-drive configuration. Confirm the application against the vehicle year, make, and model listing, especially on Buick LeSabre, Oldsmobile Cutlass, and Pontiac Grand Prix platforms where multiple starter variants may exist. Compare the removed unit to the replacement part number 3504S and the OE reference numbers before final installation.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to meet application-specific starter requirements for Delco-based GM vehicles. The 3504S is remanufactured for fitment-focused replacement use across the listed Buick, Oldsmobile, and Pontiac applications.