New chrome vented replacement oil tank cap for 45 cubic inch Servi-Car G models from 1937 through 1973 and 45 flathead solo models like W, WL, WLA, WLC, WLD and WR from 1937 through 1952.  Fits all Harley models that use HD part # 61104-37.   We do not warranty the alignment of the word 'oil' on your cap when installed.  It may be straight or sideways or not.  Consult your parts manual to confirm correct application.   If you have any other questions, just let us know.

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