391-36403/A
Replacement Ammeter, 12 Amp
Just Arrived February 2004!
Virtually identical to the original Lucas Model 2AR ammeter!
Features the shielded needle as original, and has the Lucas name on the face! 
1.610" body (1.750 bezel OD); used with 391-523986 oring.
This will nicely replace all of the small, headlamp shell mounted "1-3/4 inch" Lucas ammeters, including Lucas 36421, 36296, 36047, 36084, 36184, and 364455, and is the most accurate looking one we have seen yet.
(Compare with 391-36403)