GMPartsGiant.com offers the wholesale prices for genuine 1988 Buick Regal parts. Parts like Auto Trans TV Cable, Oil Indicator, Modulator Pipe & Vent are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 2.8L. Model Code: CUSTOM 2 DOOR, LIMITED, REGAL.