Are you an Auto A/C professional with an AU Number?
If yes, then apply for an online trade account today!

If you are a CURRENT Highgate Customer, simply fill in all the fields below, read the Online Terms of Use information, and Submit your request for an online trade account. Once approved, typically within 24 hours, you can then login and check RRP, your prices, product availability, and order online!

If you are looking at becoming a NEW Highgate Customer, please continue to complete this form, but note that we may call you for more information in order to enter your business into our system for the first time. This typically takes 48 hours.

NOTE: We do not sell to the public. All public requests for an online account will be disregarded. However, feel free to contact us for your recommended local Auto A/C Professional.


PART N°: SKO-28508

The SKO-28508 Highgate O-Ring Box Kit has been designed to be the most professional and complete solution in A/C sealing components technology. Highgate has recognised the needs and expectations of the industry, and provided an accurate and organised solution, maximising your profitability and ultimately your customer’s satisfaction. 

Containing a total of 168 SKU’s and 936 individual pieces, you can rest assured that Highgate has you covered, and you will not have to keep your customers waiting over that o-ring!

O-Ring Kit 1 - 48P/N’s - 216 Pieces

  • 26 Hose Connection & Hardware, Standard, Captive, P-Nut, Spring Lock
  • 9 Compressor Manifold Ports, GM, Ford, Denso
  • 5 Pad Mount Drier Connections
  • 3 Orifice Tube O-rings
  • 5 Switch Port O-rings

O-Ring Kit 2

48 P/N’s - 288 Pieces, sizes 173 to 433

O-Ring Kit 3

48 P/N’s - 288 Pieces, sizes 453 to 709 

O-Ring Kit 4

48 P/N’s - 144 Pieces, sizes 724 to 1428


See It Styled On Instagram