SPEC:
6-Groove Standard Pulley
Delco 10SI, 12SI, 15SI, 17SI, 27SI, CS121, CS130, CS144 Series IR/EF Alternators; Ford 1G Series ER/EF, 2G Series IR/EF Alternators
OEM:
Replaces - DELCO 10496811, 10497175, 175, 1979422, 1979846, 1985964, 422, 811, 846, 964
