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

A comprehensive kit for testing the main components in the cooling system, including identifying leaks, sensor, temperature, thermostat, water pump condition tests.

• Universal application
• This kit requires a pressure pump which is included in our ET1039C kit, or which can be purchased separately (ET1039-1).
• Please refer to the download link for detailed instruction booklet.

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

Our new updated radiator pressure test kit sets the new industry benchmark!

Faster, easier, and more comfortable to use, than existing kits.

Perform cooling system leak tests, vacuum type coolant refills, and leak tests on radiator caps.

• Updated adaptors (more coverage than older kits) - includes new Volvo Hybrids
• Updated pressure pump, coolant refill and adaptor design
• Faster refill speed - 91 ml / sec vs 37 ml
• Connectors are compatible with superceded adaptor kits

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