Can’t Find Honda Plugs?

American Honda parts stock carries most engine oil and coolant gallery plugs (bolts and washers) separately, even though they might not be listed in the parts catalog. Following is a handy chart.
ITEM.......................................... P/N...............................HONDA CODE
Head sealing bolt, 28 mm......12208-P8C-A01...............8515678
Washer, 28 mm.....................12207-634-300.................1119924
Block sealing bolt, 16 mm......11106-PT0-300................4769659
Washer, 16 mm.....................12207-PC6-300................2508059
Block sealing bolt, 20 mm......15233-PK1-000...............2622371
Washer, 20 mm.....................94109-20000....................0251728
Head sealing screw................12208-PG6-300...............2661114