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Service bulletin No. 58-20

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10199867
Published by NHTSA2021-08-04
Manufacturer's numberNo. 58-20
Manufacturer's date2021-07-30
NHTSA componentWHEELS; TIRES

NHTSA's summary

List of approved wheels, tires, and spacers for the 911, from Model year 1989 to 1994.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Tires, Wheels

Vehicles listed
PORSCHE CARRERA 21990
PORSCHE CARRERA 41989 to 1990

Listing a model year does not mean every vehicle of it is concerned: the document says which.