These lines provide the coolant that warms the heater core, which provides the heat for your cabin interior.
The GENUINE part, as sold new by the dealer.
Part #’s
1K1-819-857-C / 1K1819857 C / 1K1 819 857 C / 1K1819857C
1K1-819-857-A / 1K1819857 A / 1K1 819 857 A / 1K1819857A
