1948 49 50 Chevy Pontiac Buick Olds Fader Control Radio GM Factory original optional Radio Fader control switch the balance between the front speaker and rear speaker for GM cars approximately 1948 to 1953 Chevy Pontiac Buick Oldsmobile. Top number triangles symbol 7266924 bottom number 137307 with correct knob $65. Shipping is available upon request pay with Interac e-transfer Early Vintage AC Gm dash cluster gauges Speedo Temp, Gas, Oil, Amp, $150. Early Chevy Brown Seat Belts pair Very Nice $150.