Original style black heater core for any 86-91 9000. Saab original Valeo. Must replace both O-rings (7874975 x 2) when replacing core.
The NEW Valeo Heater Core (Early Style) 812027 SAAB 4613881 is the by far the most amazing heater cores i have seen so far. Valeo as it should make excelent product and this is one of them.