Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Tidal Lurker's Greathelm Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Tidal Lurker's Greathelm suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Similar Items
The 5 items nearest to Tidal Lurker's Greathelm (item level 72) in item level among Armor > Plate, Head slot, from item level 60 to 78.
Blizzard numbers items as they are created, so the named items next to ID 168366 (168361 to 168371) were usually added in the same batch as Tidal Lurker's Greathelm: the same quest line, zone, vendor or reward set.