A.P.A. URO is a supplier to many automotive manufacturers and provides OE quality European replacement parts to the aftermarket. URO Parts is a highly diversified product line including, body rubber, electrical, suspension, steering, cooling and air conditioning components. The ground piece from the old antenna may provide a better fit than the one on the replacement mast. This replacement mast may have a tip that is shaped differently than the one on the old antenna mast. This mast is the correct replacement unit for the Harada antenna installed at the SAAB factory. If the complete antenna has already been replaced, a different diameter mast may be required. This mast has a diameter of 10mm at it's base. If a 8.5 mm mast is needed, try 02 52 957.