For GM Block In-Line 4 & 6 Cyl., Mercruiser, OMC 110, 120, 140. MC #'s 65142A1, 814755, 880817 OMC #'s 3854017, 509356,984360, 986779, 980512 Sierra # 18-3575 Volvo # 3854017OE# 884727 Sierra# 18-3575