Description
Pulley
Replace OEM(s): Delco
For: Delco 12SI, CS121, CS130 Series IR/EF Alternatorss
Used On: 1991-85 Buick, OldsmobiLE, Pontiac
Belt Width: 14mm
Center Of Rear Groove To Rear Of Pulley: 0.555in / 14.1mm
Condition: New
ID: 0.669in / 17mm
Notes 1: This Is A 4-Groove Pulley Found On 10-7801-3, 10-7872-3, And 10-7937-3 CS121 And CS130 Alternators, As Well As A Few 12SI'S.
Nut Recess Depth: 0.622in / 15.8mm
OD: 2.5in / 63.5mm
Pulley Groove Type: Serpentine
Pulley Grooves: 4 Grooves
Pulley Type: Solid
Serpentine Grooves Od: 2.047in / 52mm
Shaft OD: 17mm
Specification: 14mm Belt x 52mm Rib OD x 17mm Bore
Thickness: 1.264in / 32.1mm
Weight: 0.76 lbs / 0.35 kg