For 1987-1989 GMC R2500 Suburban Alternator Adapter Plug AC Delco 63798WRGP 1988

For 1988 GMC R2500 Alternator Adapter Plug United Automotive 35881RBXD

For 1988-1999 GMC C1500 Alternator Adapter Plug United Automotive 42594MVDZ 1989

For GMC Yukon Alternator Adapter Plug United Automotive 98848GK

For GMC R2500 Suburban Alternator Adapter Plug United Automotive 39982DYBH

For GMC R2500 Suburban Alternator Adapter Plug United Automotive 41119QXGF

For 1988-1989 GMC R2500 Alternator Adapter Plug SMP 44291QRXH