Brass sleeve for thermostat housing. 502 Mag 502 (V8) 0C878221-0F114528 1990 - 1993. 500 500 EFI 502 (V8) 0F213293 & UP 1994 - 2004. 465 502 (V8) 0C849992-0F213244 1990 - 1994. 460 482 (V8) 4179554-6181046 1983 - 1986.
eBay