📡 OEM Upper Power Antenna Mounting Base Pad – MB 90
Factory Original | Reproduction | Precision Fit
Up for sale is a reproduction of the OEM upper antenna mounting base pad designed specifically for 1957–1958 Pontiac Bonneville models equipped with the Power Antenna option. This pad features a 2-1/2" outer diameter and 1-1/4" inner diameter, ensuring a precise fit for your classic GM restoration. Ideal for replacing worn or missing antenna gaskets with a correct-spec part.
📐 Fitment Compatibility
GM Brand: Pontiac
Model: Bonneville
Years: 1957, 1958
📦 Product Details
Part Type: Upper Power Antenna Mounting Base Pad
Dimensions: 2-1/2" O.D., 1-1/4" I.D
Material: OEM-spec rubber or composite (verify condition if used)
Condition: Reproduction – clean, correct profile, ready to install
⚠️ Important Notes
Please verify fitment for your specific vehicle before purchasing
No returns accepted on this item