OER Parts offers a wide selection of Floor Insulation and Sound Deadeners for your 1989 Buick All Models. OER Parts offers 1989 Buick All Models Acousti Shield Insulation, 1989 Buick All Models HushMat Insulation, 1989 Buick All Models Dynamat Xtreme Interior Insulation, 1989 Buick All Models Quiet Ride Insulators, 1989 Buick All Models Thermo-Tec, 1989 Buick All Models Thermo-Guard FR, 1989 Buick All Models Retainer Clips, 1989 Buick All Models LizardSkin Sound Control, and 1989 Buick All Models LizardSkin Sound Control & Ceramic Insulation Kit.