Hey Munster man, GM Parts Giant lists it as fitting the following vehicles, hope this helps. Weird they omit the 00-05 6th Gen Monte's. I may go scavenge too, it is an exceedingly rare part. Good luck in your searches bud, perhaps "Grandpa" can fab one up in his lab for you...

Vehicle Fitment

Year Make Model Engine Important vehicle option details

2005 Buick Century 6 Cyl 3.1L CUSTOM 4 DOOR

2006-2007Chevrolet Monte Carlo 6 Cyl 3.5L, 6 Cyl 3.5L Flex, 6 Cyl 3.9L, 8 Cyl 5.3L LS, LT, SS

2004-2008 Pontiac Grand Prix 6 Cyl 3.8L, 8 Cyl 5.3L 4 DOOR, GT 4 DOOR, GT2 4 DOOR, GTP 4