Vehicle Antenna Adapters Acura Audi BMW Buick Cadillac Chevy Chrysler Dodge Fiat Ford Freightliner GMC Harley Davidson Honda Hummer Hyundai Infiniti Isuzu Jaguar Jeep Kia Lexus Lincoln Mazda Mercedes Benz Mercedes Benz Mercury Mitsubishi Nissan Oldsmobile Pontiac Porsche Saab Saturn Scion Smart Subaru Suzuki Toyota Volkswagen Volvo Filter Sort Filters In Stock GMC Porsche Boxster Topkick Remove All Filters Availability In Stock Price Under $50 (2) Make GMC (1) Porsche (1) Model Sierra (4) Savana (3) Yukon (3) Jimmy (2) Canyon (1) 911 (1) Cayenne (1) Boxster (1) Yukon XL (1) Show More Acadia (1) Suburban (1) Van (Full Size) (1) Topkick (1) Denali (1) Sonoma (1) Safari (1) S-15 Jimmy (1) Envoy (1) Panamera (1) Sort SKU: A-Z SKU: Z-A Price: Low to High Price: High to Low Least Popular Most Popular Sort by: SKU Sale Price Popularity GMC Topkick 2003-2009 Factory Stereo to Aftermarket Radio Antenna Adapter Plug $5.95 Porsche Boxster 2005-2017 Factory Stereo to Aftermarket Radio Antenna Adapter $5.95