Part No. 28129
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|Rotor 115 Amp/12 Volt|
For: Delco 21SI Series 90-115 Amp IR/EF Alternators
Replaces: Delco 10467263, D3186
Ref. No. 7040-2987
Dimensions: 19mm from slip ring to end of shaft
Used w/ short 8-119 needle bearing.
Similar to 28-137 except 28-137 used w/ long 8-109 needle bearing and is 28mm from slip ring to end of shaft.