Porsche part
Special nut
999 591 498 40
911924924S9289441976–1991Body & interior
Special nut (999 591 498 40) fits 911, 924, 924S, 928, 944. It belongs to the Electrical System, Instruments, Switches group.
Appears in these diagrams
27Illustration 801-20924 76 · 1976–197921Illustration 802-00924 76 · 1976–197930Illustration 802-05924 76 · 1976–197931Illustration 801-20944 82 · 1982–198519Illustration 802-00944 82 · 1982–198536Illustration 802-05944 82 · 1982–198531Illustration 801-20944 85 · 1985–198819Illustration 802-00944 85 · 1985–198836Illustration 802-05944 85 · 1985–198813Illustration 801-20924 86 · 1986–198821Illustration 802-00924 86 · 1986–198828Illustration 802-05924 86 · 1986–198831Illustration 801-20944 89 · 1989–199119Illustration 802-00944 89 · 1989–199136Illustration 802-05944 89 · 1989–199155Illustration 802-15944 89 · 1989–1991
Each link opens the exploded diagram with this part highlighted.
Source: Porsche Classic Original Parts Catalogue — 924 — 1979 catalogue · Illustration 801-20
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