A versatile kit designed to test all common styles of radiator caps. The cap adaptors are colour coded, and fitted with quick release couplings. These couplings suit standard radiator tester pressure pumps (which can be purchased separately - for instance, ET1039-1).

• Quickly test radiator cap gasket integrity to detect cooling system leakage
• Adaptors cover most late model vehicles

Specialised adaptor cap to connect to the cooling system expansion tank for leak pressure testing. This cap is suitable for late model BYD vehicles, including hybrid and battery electric models.

• Applications: BYD Atto 3 | Dolphin | E6Y | Seal
• M33.6 x P3.0 internal thread

A coolant pressure test adaptor designed for MG electric vehicles. Connect to the coolant recovery tank expansion neck. Part of the Endeavour Tools range of radiator pressure test equipment.

This cap is not included in the ET1039C master test kit.

• Suitable for battery and Smart Electric Drive System (EDS) coolant expansion tanks on MG vehicles
• M52 x 3.0

Specialised adaptor cap to connect to the cooling system expansion tank for leak pressure testing. This cap is suitable for late model Haval vehicles, including petrol engine and hybrid models.

• Applications: Haval H6 | H9 | Jolion
• M63 x P4.0

A specialised radiator test cap for post 2015 Hyundai / Kia vehicles. Part of the Endeavour Tools range of specialised radiator test adaptors.

This cap is designed to be used with the ET1039 radiator adaptor test kit.

• Applications: Hyundai Elantra (16-19), i30 (16-19), Ioniq 1.6L GDI (from 2016), Kona 1.0L & 1.6 GDi (from 2017), Kona EV (from 2017), Tucson 1.6 GDi & 1.7 CRDi (from 2015), Veloster (2019) | Kia Picanto 1.0L GDI (17-), Sportage (17-18)
• Suits OEM cap: 25330-D3000

This radiator test cap suits N14 engines fitted to BMW Mini vehicles since 2008. This cap is a screw on type.

• Engines: N12 (08-10) | N14 (08-)

A new aluminium radiator pressure test adaptor designed for Fiat 500E vehicles. Part of the Endeavour Tools range of radiator pressure test equipment.

This cap is not included in the ET1049 master test kit.

• Applications: Fiat 500e | Alfa Romeo Tonale | Chrysler Pacifica / Voyager 3.6L | Jeep Cherokee / Wrangler 3.6L | RAM 1500 3.6L