Rotor 28-137 303-12036

Rotor

Replace OEM(s): Delco

For: Delco 21SI Series 90-115A IR/EF Alternatorss

Used On: Delco 21SI Alternators

Amps: 90/115 Amps

Amps Draw: 8.4 Amps

Amps Low Output: 160 Amps

Body OD: 4.24in / 107.7mm

Components: 34-2171 Shaft 34-1285 Slip Ring

Condition: New

DE Threads: 5/8-18

Length: 8.268in / 210mm

Notes 3: 5/8-18Long SRE Bearing Type

Poles OD: 108mm

Poles Thickness: 2.26in / 57.4mm

Shaft OD (DE Bearing): 0.984in / 25mm

Shaft OD (Pulley): 0.874in / 22.2mm

Shaft OD (SRE): 0.669in / 17mm

Shaft Threads: 5/8-18

Slip Ring ID: 0.669in / 17mm

Slip Ring OD: 1.165in / 29.6mm

Specification: 28mm from slip ring to end of shaft

Voltage: 12 Volt

Weight: 7.55 lbs / 3.43 kg