Idler roller

For compressor AC-DELCO., SEE FIG 21 | For pulley REPL 1 PCS 1271357-4, 1PCS 1271410-1, 1PCS 1 271426-7, 1PCS 965216-5, 1PCS 948645-7. | For pulley REPL 1 PCS 1271357-4, 1PCS 1271410-1, 1PCS 1 271426-7, 1PCS 965216-5, 1PCS 948645-7., For tensioning pulley on compressor DIESEL-KIKI REPL 1P CS 1271357-4, 1PCS 1271441-6, 1PCS 1271426-7, 1PCS 9652 16-5, 1PCS 948645-7., ALTER