Left Lightweight Door, 911 2.8 RSR

Early-911 left door offered as separate carbon and carbon/Kevlar variants, with stock-style mounting points and a sandwich construction.

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Published fitment
901 · 911 2.8 RSR
Recorded availability
Made to order. Confirm with the supplier.
Recorded price
No published price recorded

View supplier page ↗

Confirmed on the manufacturer’s page. Sources last accessed ; fitment is not independently verified.

Body & GlazingMade to orderConfirmed on the manufacturer’s page

Manufacturing

ManufacturerNiederhof
Origin🇩🇪 Germany
Manufactured here
Niederhof states that its lightweight components are handmade in Germany.
ProcessNot disclosed
Additively manufacturedNo
MaterialCarbon Fibre (layup not disclosed), Carbon / Aramid Hybrid
NotesPart 03-1-032 is the carbon variant and 03-1-033 is the carbon/Kevlar variant. Niederhof publishes sandwich construction, laminated nuts and original-style mounting points, but not a product-specific prepreg or autoclave process.

Fitment

901911 2.8 RSR
Road use. A lightweight composite door is a structural and occupant-protection change; road approval and side-impact requirements must be checked locally.

Sources

  1. Porsche 911 2.8 RSR — Niederhof, accessed 2026-08-25
  2. Leichtbau — Niederhof, accessed 2026-08-25