Hello DumpsterFire,
As you know from my thread (Idler Arm Difference; Stock vs. Police / Taxi), I had the same issue and p/n TRW 18795 was the recommended by M_Body_Coupe. I have one coming from eBay (USPS), but it is SLOW - 11 days to get from Sherwood, OR to Chicago, IL today 28/03. USPS...