OER Parts offers a wide selection of Starter Parts and Hardware for your 1990 GMC S15 Jimmy. OER Parts offers 1990 GMC S15 Jimmy Starter Motor Brace, 1990 GMC S15 Jimmy Starter Mounting Bolts, 1990 GMC S15 Jimmy Starter Motor Heat Shield, 1990 GMC S15 Jimmy Starter Solenoid, 1990 GMC S15 Jimmy Starter Rebuild Kit, 1990 GMC S15 Jimmy Starter Shim Set, 1990 GMC S15 Jimmy Starter Heat Shield Set, and 1990 GMC S15 Jimmy Floor Mounted Starter Switch.