OER Parts offers a wide selection of Starter Parts and Hardware for your 1985 GMC S15. OER Parts offers 1985 GMC S15 Starter Motor Brace, 1985 GMC S15 Starter Mounting Bolts, 1985 GMC S15 Starter Motor Heat Shield, 1985 GMC S15 Starter Solenoid, 1985 GMC S15 Starter Rebuild Kit, 1985 GMC S15 Starter Shim Set, 1985 GMC S15 Starter Heat Shield Set, and 1985 GMC S15 Floor Mounted Starter Switch.