jman093 Posted February 12, 2011 Report Share Posted February 12, 2011 I need to replace the power antenna mast in the 90. Looking it up by vin and by model and year on gmpartsgiant and compnine it shows part number 12512784. But right there in the very description it says 1988-1989. Looking at the same part on ebay motors it lists applications and a 90 grand prix isn't one of them. Anyone know if this is the antenna I need? Quote Link to comment Share on other sites More sharing options...
Penglii Posted February 12, 2011 Report Share Posted February 12, 2011 My parts book says that 88-89 power antenna is #10063073 and the 90 power antenna is #10063139 However those numbers don't match what compnine says... so they've probably been long since superceded and this post was probably of no help. Quote Link to comment Share on other sites More sharing options...
GOT2B GM Posted February 12, 2011 Report Share Posted February 12, 2011 88-89 had the larger diameter chrome mast 90+ had a smaller diameter black mast Quote Link to comment Share on other sites More sharing options...
GOT2B GM Posted February 12, 2011 Report Share Posted February 12, 2011 Here's an aftermarket antenna that will fit ALL 90+ W power antennas. http://cgi.ebay.com/ebaymotors/Oldsmobile-Cutlass-Supreme-Power-ANTENNA-MAST-New-90-97-_W0QQcmdZViewItemQQfitsZModelQ3aCutlassQ20SupremeQQhashZitem230e25f003QQitemZ150561222659QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories Quote Link to comment Share on other sites More sharing options...
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