JW Winco

Our customers in the USA are managed by JW Winco. Please, use the website of JW Winco: jwwinco.com

GN 543.4 Prismatic Oil Sight Glasses Plastic, up to 140 °C


ELESA original design

code: HGFT.HT-PR

Product description


The window of oil sight glasses GN 543.4 is embedded in the body during the injection process and it is therefore absolutely leaktight.

These oil sight glasses use the so-called prismatic effect of a „cat’s eye“ to give a clear and unmistakable oil level reading irrespective of oil color or viscosity. The advantage of these effects becomes obvious in case of a total underfilling or overfilling and monitoring the situation under unfavourable conditions.

The sealing ring is embedded in a radial undercut and it cannot be extruded during the tightening operation.

Assembly instruction:
For mounting on walls of less than 4 mm thickness please use a mounting nuts GN 7430.


Plastic (Polyamide PA)
  • Black, matte finish
  • Temperature resistant up to 140 °C
  • Pressure resistant up to 7 bar

Sight glass
Plastic Polysulfon

Rubber FPM (Viton®)



Mounting Nuts GN 7430

Technical drawing

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GN 543.4 Prismatic Oil Sight Glasses, Plastic, up to 140 °C sketch

Article options / Table

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15G 1/228108,5246 ... 8
18G 3/4359,58,5328 ... 10
23G 142,5119,53810 ... 12

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Selected Part (How to order)

Total (net)
plus VAT 0,76 €
gross 4,74 €
Delivery time 5-8 days
Weight: 0,006 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 175,00 € -> 10 % discount
from 275,00 € -> 20 % discount
from 375,00 € -> 30 % discount
With a total value (net) per order:
-> 15,00 Euro
for value of goods less than 25,00 €
-> 10,00 Euro
for value of goods from 25,00 to 50,00 €
All prices in accordance with our price list No. 53, valid from 1 May 2021, plus VAT only valid for Germany.

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Our Service-Team is available from Monday to Friday from 7:00 until 17:30: +49 7723 6507 - 100

To the customised elements | To the contact persons

GN 543.4-15-G1/2GN 543.4-23-G1GN 543.4-18-G3/4

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