OER Parts offers a wide selection of Starter Parts and Hardware for your 1991 Oldsmobile 98. OER Parts offers 1991 Oldsmobile 98 Starter Motor Brace, 1991 Oldsmobile 98 Starter Mounting Bolts, 1991 Oldsmobile 98 Starter Motor Heat Shield, 1991 Oldsmobile 98 Starter Solenoid, 1991 Oldsmobile 98 Starter Rebuild Kit, 1991 Oldsmobile 98 Starter Shim Set, 1991 Oldsmobile 98 Starter Heat Shield Set, and 1991 Oldsmobile 98 Floor Mounted Starter Switch.