Independent parts atlas sources attached
Porsche 993 · 900 031 011 30
This guide joins the factory catalogue reference to the exact products documented below. It does not certify interchangeability or provide manufacturing dimensions.
Each specification below names the exact product it describes. Alternative-part values are not measurements of the Genuine Porsche part. Missing properties are not estimated.
Not published by the cited source
Applies to: Elring 232.158 · aftermarket alternative
Read the specification source · checked
Elring's current first-party standard-parts table publishes the dimensions and material code for Elring 232.158. It does not publish a piece weight.
The cited manufacturer table does not publish a piece weight; no retailer shipping weight is substituted.
inner diameter: 6.4 mm · outer diameter: 11 mm · thickness: 1.5 mm
Applies to: Elring 232.158 · aftermarket alternative
Read the specification source · checked
Elring's current first-party standard-parts table publishes the dimensions and material code for Elring 232.158. It does not publish a piece weight.
Aluminium (AL)
Applies to: Elring 232.158 · aftermarket alternative
Read the specification source · checked
Elring's current first-party standard-parts table publishes the dimensions and material code for Elring 232.158. It does not publish a piece weight.
Check the VIN, variant, quantity and installation requirements before ordering. Availability is a dated observation, not a delivery guarantee.
900 031 011 30 · genuine
View at Sierra Madre Collection
in stock · reviewed
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The live direct product page offers Genuine Porsche sealing washer 900.031.011.30, publishes a current price, reports 28 in stock and exposes Add to cart.
232.158 · aftermarket alternative
in stock · reviewed
Page reached: HTTP 200
The live direct product page publishes Elring reference 232.158 and exact Porsche cross-references 90003101130, 900-031-011-30 and 900 031 011 30, reports In Stock and states one-business-day dispatch.
No historical original-equipment manufacturer has been verified for this reference. A replacement brand alone does not establish who supplied Porsche production.
The exact reference is listed at Porsche 993 PET illustration 198-00, position 1. Retail descriptions also associate it with timing-chain and intermediate-shaft-cover uses on other 911 generations; confirm the PET position and required quantity for the specific operation.
Illustration 198-00 · catalogue page 121 · position 1.
The reference is transcribed from the catalogue. A listing alone does not establish every vehicle variant or installation condition.
Porsche Classic Genuine Parts Catalogue — 911 993, 1994–1998