Basic UV leak detection additive

A/C-UV leak detection Basic

Art.-no. 0892764134

Prices for customers after login

Basic UV leak detection additive

Art.-no. 0892764134

Prices for customers after login



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Fluorescent additive for locating leaks in R134a and R1234yf air-conditioning systems
  • Sufficient for 32 applications in a car or 16 applications in a lorry

  • Compatible with PAG and ester oil

  • High proportion of fluorescent ingredients

  • Does not damage O-rings and seals

Only insert the leak detection additive into the air-conditioning system via the red fresh oil tank coupling.

The usage instructions are recommendations based on the tests we have conducted and our experience; carry out your own tests before each application. Due to the large number of applications and storage and processing conditions, we do not assume any liability for a specific application result. Insofar as our free customer service provides technical information or acts as an advisory service, no responsibility is assumed by this service except where the advice or information given falls within the scope of our specified, contractually agreed service or the advisor was acting deliberately. We guarantee consistent quality of our products. We reserve the right to make technical changes and further develop products.

Product information

Würth Catalogue(X)


Safety data sheet

Application area

For reliable localisation of leaks and micro-leaks in R134a and R1234yf air-conditioning systems. Can be used in air-conditioning systems with electric compressors (hybrid, start/stop, electric vehicles).

  • Extract air-conditioning refrigerant from the air-conditioning circuit and subsequently vacuum out

  • Unscrew PAG fresh oil container from air conditioning service unit and dose the required volume

  • Add leakage identification additive and attach to fresh oil container connection. 7.5 ml (1/4 oz) for passenger vehicles and 15 ml (1/2 oz) for commercial vehicles sufficient for air conditioning servicing

  • Convey leakage identification additive into the air conditioning circuit via the air conditioning service unit


240 ml

Weight of content

121.91 g

Chemical basis

Polyolester oil




0.92 g/cm³

Shelf life from production

60 Month

Min. flashing point

221 °C



Boiling point

200 °C

Additive article:

Maintenance sticker


For the engine compartment
x 25 pcs

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00574 10 (2 spaces between the 4 and the 10)

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005710 20 (1 space between the 10 and the 20)

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Hazardous Material

Product information

Würth Catalogue

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Technical information