Description Part Number: 4025341 Description: Seal Kit Application: Marine Aftercooler Seal Kit. Suits QSC, QSL, QSM11 Cross Reference-Supersedes: 4078170 Kit Includes: 68241 x 2 Zinc Electrode Plug (1/2 NPTF x 2 in) 3919853 x 2 O Ring Seal 4078170 x 4 Aftercooler Core Seal