Description
Part Number: 10500227
Description: Collar / Spacer (Alternator spacer collar)
Type: Service part (not a full starter/alternator)
Status: Obsolete (no direct replacement listed by Delco Remy)
Application
Used in Delco alternators (not starters)
Specifically fits 50DN alternators
Installed between:
Pulley hub and bearing (acts as a spacing collar)
Typical Specs
ID: ~1.181 in (30 mm)
OD: ~1.559 in (39.6 mm)
Length: ~0.559 in (14.2 mm)
Cross / Notes
Often called:
Alternator spacer
Spacer collar
Generator spacer collar
Can cross to aftermarket numbers like:
J&N 464‑12040 (aftermarket equivalent)


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