Return to the mouse-infested truck: This time, success! Well, sort of - Hagerty Media
Heat exchanger (heater core) for SEAT Ibiza III Hatchback (6L) online at a cheap cost
replace heat core seat ibiza 6L 2 - YouTube
replace heat core seat ibiza 6L 1 - YouTube
SEAT IBIZA MK4 S (6J) 1198CC CGPA 2010 HEATER BOX with MATRIX & BLOWER UNIT | eBay
Heater core outlet pipe had a tiny leak. Decided to replace it myself, since I had a week off and didn't feel like going anywhere for a vacation in July. : r/Justrolledintotheshop