Radio Control Knob Pair for 1997-2005 Porsche Boxster 911 99664590100

Replace sticky, gummy, cracked, worn, or missing controls on a compatible factory Porsche or Becker radio with this pair of new black replacement knobs. The knobs press onto the original rotary shafts and restore a clean factory-style appearance.

Product Details

• Quantity: two replacement radio-control knobs
• Black semi-matte finish
• Direct press-fit installation
• Suitable for left and right rotary controls on compatible radios
• Complete radio is not included

Fitment and Compatibility

• 1997–2004 Porsche Boxster (986) with compatible radio
• 1998–2005 Porsche 911/Carrera (996) with compatible radio
• Selected Porsche 996 GT3 applications with compatible radio

Compatible Radio Models

• Porsche CR22, CR220, CR23, CDR22, CDR220, CDR23, CDR32, and MDR32
• Selected Becker Traffic Pro, Mexico Pro CD, Online Pro, Monza, and DTM units using the same shaft and knob dimensions

Vehicle year alone does not confirm fitment. Verify the model printed on the radio faceplate, original knob shape, shaft diameter, and underside connection before ordering.

Part Number

• Porsche: 99664590100
• Formatted: 996 645 901 00

These knobs replace the removable exterior pieces only and will not repair an internal encoder or electrical volume-control fault.

Package Contents

Two replacement radio-control knobs.

Installation Notes

Switch the radio off, pull the original knobs straight from the shafts, align the replacements, and press gently into place. Do not use glue.