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Würth A/C Leakage Stop Additive

Würth A/C Leakage Stop Additive

24 in stock

Key Features

  • Seals ageing O-rings in R134a air-conditioning systems, preventing refrigerant loss from slightly perished or brittle seals.
  • Contains Tri-cresyl-phosphate (TCP), a specialised additive that reduces mechanical wear and friction inside compressors, extending service life.
  • Noise reduction in compressors due to improved lubrication and smoother piston operation.
  • Compatible with PAG and ester oils, ensuring broad applicability across most R134a systems.
  • Designed for preventative maintenance, helping avoid costly future repairs.
£15.99 GBP
£15.99 GBP
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Product Product subtotal Quantity Price Product subtotal
Würth A/C Leakage Stop Additive
Würth A/C Leakage Stop Additive
Würth A/C Leakage Stop Additive
£15.99/ea 		£0.00
£15.99/ea £0.00

Description

Penetrative Seal Protection

Würth A/C Leakage Stop Additive is formulated for R134a vehicle air-conditioning systems and specifically targets slightly perished and brittle O-rings. By restoring seal elasticity, it provides a preventative solution against refrigerant leakage. This makes it ideal for workshops or vehicle owners looking to maintain long-term A/C reliability.

Compressor Life Extension with TCP

The inclusion of Tri-cresyl-phosphate (TCP) ensures superior wear reduction inside the A/C compressor. TCP is a high-performance friction modifier designed for pistons and internal compressor components, reducing mechanical stress, extending the compressor’s lifespan, and cutting down noise from worn parts.

System Compatibility

The additive is fully compatible with PAG and ester oils, making it suitable for most R134a systems in cars, vans, and trucks. It is a preventive-only product and not intended for repairing leaks in metallic components such as compressors, condensers, or evaporators.

More Information

Application Instructions

  1. Ensure the engine is switched off before starting.
  2. Connect the A/C Leakage Stop Additive to the correct adapter.
  3. Insert the cartridge into an application gun.
  4. Inject the additive into the high-pressure side of the cooling circuit.
  5. Follow up with a system cycle as per vehicle manufacturer recommendations.

Important Safety Notes

  • Do not use to seal leaks in metallic A/C components (evaporator, condenser, compressor housing, etc.).
  • For professional use only. Always follow workshop safety guidelines and manufacturer specifications.

Specifications

Product type: Preventative A/C leak stop additive

Application medium: R134a vehicle A/C units

Target seals: Slightly perished or brittle O-rings

Additive: Tri-cresyl-phosphate (TCP) – reduces wear and friction in compressors

Compatibility: PAG and ester oils

Application method: Via high-pressure side with application gun (engine off)

Not suitable for: Sealing leaks in metal components (compressors, condensers, evaporators)

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