Solyak, N. Arkan, T.T. Chase, B.E. Crawford, A.C. Cullerton, E. Gonin, I.V. Grassellino, A. Grimm, C.J. Hocker, A. Holzbauer, J.P. Khabiboulline, T.N. Melnychuk, O.S. Ozelis, J.P. Peterson, T.J. Pischalnikov, Y.M. Premo, K.S. Romanenko, A. Rowe, A.M. Schappert, W. Sergatskov, D.A. Stanek, R.P. Wu, G. JACoW Geneva, Switzerland 978-3-95450-178-6 10.18429/JACoW-SRF2015-MOPB087 English 342-346 MOPB087 cavity HOM cryomodule resonance vacuum Contribution to a conference proceedings 2015 2015-12 http://dx.doi.org/10.18429/JACoW-SRF2015-MOPB087 http://srf2015.vrws.de/papers/mopb087.pdf New auxiliary components have been designed and fabricated for the 1.3 GHz SRF cavities comprising the LCLS-II linac. In particular, the LCLS-II cavity’s helium vessel, high-power input coupler, higher-order mode (HOM) feedthroughs, magnetic shielding, and cavity tuning system were all designed to meet LCLS-II specifications. Integrated tests of the cavity and these components were done at Fermilab’s Horizontal Test Stand (HTS) using several kilowatts of continuous-wave (CW) RF power. The results of the tests are summarized here.