1991 GMC Sonoma Alternator Bearing
Navigate our online catalogue to find original replacement Alternator Bearings specifically designed to fit a 1991 GMC Sonoma.







Alternator Bearing
$22.49
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Commutator End
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle Fitment Notes:
0.3150 in. Width with 0.3937 in. Bearing Inside Diameter with 1.0236 in. Outside Diameter Bearing(s)
0.3150 in. Width with 0.3937 in. Bearing Inside Diameter with 1.0236 in. Outside Diameter Bearing(s)






Alternator Bearing
$6.35
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Drive End
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle Fitment Notes:
with 0.6693 in. Bearing Inside Diameter with 1.5748 in. Outside Diameter Bearing(s) 1.5748 in. Width with 56, 66, 78 Amp Alternator
with 0.6693 in. Bearing Inside Diameter with 1.5748 in. Outside Diameter Bearing(s) 1.5748 in. Width with 56, 66, 78 Amp Alternator