Made for use with the Stant 12270 pressure tester.
Includes seal.
Item Package Dimension: 2.625" L x 2.625" W x 2.625" H
12018 threaded adapter is required to fit all Volvo, Saab and most late model Renault cooling systems with a threaded filler neck on the expansion tank. Threaded specifications M 43.2 x 3.