OER Parts offers a wide selection of Starter Parts and Hardware for your 1978 GMC Jimmy. OER Parts offers 1978 GMC Jimmy Starter Motor Brace, 1978 GMC Jimmy Starter Mounting Bolts, 1978 GMC Jimmy Starter Motor Heat Shield, 1978 GMC Jimmy Starter Solenoid, 1978 GMC Jimmy Starter Rebuild Kit, 1978 GMC Jimmy Starter Shim Set, 1978 GMC Jimmy Starter Heat Shield Set, and 1978 GMC Jimmy Floor Mounted Starter Switch.