Porsche part number 91155914901 (also formatted as 911-559-149-01) is a jack receptacle plug cover (jacking point cover). It fits G-body and related air-cooled Porsche models manufactured between 1974 and 1989. Plugs the square/rectangular jack receiver openings on the lower side sills (rocker panels) to keep dirt, road grime, and moisture out of the chassis jack tubes. Each car requires two plugs (one for the driver side and one for the passenger side). Replaces earlier part number 91155914900. Made in Germany. Price is "per plug".
- Porsche 911. Fits 1974–1989 G-body models across Coupe, Targa, and Cabriolet trims.
- Porsche 930 (911 Turbo). Fits 1976–1989 models.
- Porsche 912E. Fits 1976 models.