Mercruiser 4.3L 175-205, V6 GM 229/262 CID 1983-2005, Mercruiser 5.0L/5.7L/6.2L GM 305/350/377 CID, 200-320 V8 (S.B.) 1983 & UP, Mercruiser 7.4L/8.2L GM 454/502 CID, 330-370 V8 (B.B.) 1981 & UP. GLM 51140; OEM 807988A2