Independent parts atlas sources attached
Porsche 993 · 900 123 140 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 247.405 · aftermarket alternative
Read the specification source · checked
Elring's current first-party standard-parts table publishes the dimensions and material code for Elring 247.405. 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: 18 mm · outer diameter: 22 mm · thickness: 1.5 mm
Applies to: Elring 247.405 · aftermarket alternative
Read the specification source · checked
Elring's current first-party standard-parts table publishes the dimensions and material code for Elring 247.405. It does not publish a piece weight.
Aluminium (AL)
Applies to: Elring 247.405 · aftermarket alternative
Read the specification source · checked
Elring's current first-party standard-parts table publishes the dimensions and material code for Elring 247.405. 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.
900 123 140 30 · genuine
View at Sierra Madre Collection
in stock · reviewed
Page reached: HTTP 200
The live direct product page offers Genuine Porsche 18 x 22 mm sealing ring 900.123.140.30 for 1978-1998 911, Carrera, C2 and C4 models, publishes a current price, reports 501 in stock and exposes Add to cart.
247.405 · aftermarket alternative
orderable · reviewed
Automated access restricted: HTTP 403
The currently indexed direct product page publishes Elring reference 247.405, exact Porsche cross-reference 90012314030, EAN 4041248016718, 18 x 22 x 1.5 mm aluminium dimensions, a current price and Add ordering control; the automated browser reaches a Cloudflare refusal.
No historical original-equipment manufacturer has been verified for this reference. A replacement brand alone does not establish who supplied Porsche production.
The 993 PET evidence recorded here is power-steering illustration 403-03, position 6, while the same factory reference also appears in engine and drain-plug contexts. Match the 18 x 22 x 1.5 mm ring to the exact PET position rather than relying on a retailer's generic drain-plug title.
Illustration 403-03 · catalogue page 254 · position 6.
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