ATD Tools Right Angle Adapter Fitting for ATD Coolant Pressure Testers — ATD-3308

The ATD-3308 is a right-angle adapter fitting for automotive technicians performing cooling system pressure tests where overflow tank location limits straight-line access. The 90-degree angle eliminates the need to reposition the pressure tester when the overflow tank is recessed or sidewall-mounted. Compatible with all ATD coolant pressure test kits — no additional adapters required. Compatible with all ATD coolant pressure test kits on domestic and import passenger cars and light trucks (1990–2026) where overflow tank access is restricted. Verify thread compatibility with non-ATD test kits. Manufactured to ATD Tools standards for compatibility and durability in professional cooling system service. Ships nationwide. Add the ATD-3308 to your cooling system tester kit today. Compare Similar Products The ATD-3308 is a specialty tool with no direct alternative in the current Sinclair Auto Parts catalog. Browse all Cooling System Service Tools at Sinclair Auto Parts to see the full lineup.