Would anyone know the differences between an OEM AC Delco 2000 Blazer 4.3 air pump and a 2001 4.3 AC Delco pump? They appear to be the same though pricing is quite different. I own the 2000 and the Ebay price on the 2001 is $80.00 with the price of a 2000 coming in over $200. Both have the attachment bracket, solenoid, input hose.?
Thanks
Stephen

2000 AC Delco 215-364
2001 AC Delco 215-425

 

difference is the main power plug and a need to reposition a valve during installation.