OER Parts offers a wide selection of Starter Parts and Hardware for your 1974 GMC G25/G2500 Van. OER Parts offers 1974 GMC G25/G2500 Van Starter Motor Brace, 1974 GMC G25/G2500 Van Starter Mounting Bolts, 1974 GMC G25/G2500 Van Starter Motor Heat Shield, 1974 GMC G25/G2500 Van Starter Solenoid, 1974 GMC G25/G2500 Van Starter Rebuild Kit, 1974 GMC G25/G2500 Van Starter Shim Set, 1974 GMC G25/G2500 Van Starter Heat Shield Set, and 1974 GMC G25/G2500 Van Floor Mounted Starter Switch.