Cylinder Heads

Mercury Marine and Quicksilver Cylinder Heads

Quicksilver now offers iron cylinder heads with exclusive Black-X Composite Valve Technology. Quicksilver has been the global standard for durable marine parts.

Install with confidence, as these new cylinder heads come with a standard 1 year limited factory warranty from Mercury Marine. NOTE: there may be a core deposit required from the factory and will be added to your cart.

CYL HEAD PN	APPLICATION	YEAR	VALVE
938-8M0115134	2.5L	1963-1989	BLACK X COMPOSITE
938-8M0115134	3.0L	1968-1994	BLACK X COMPOSITE
938-8M0115135	3.0LX	1990-1997	BLACK X COMPOSITE
938-8M0115135	3.0L	1998+	BLACK X COMPOSITE
938-8M0115136	4.3L	2000-2015	BLACK X COMPOSITE
938-8M0115137	5.7L & 383 MPI	1996+	BLACK X COMPOSITE
938-8M0115137	6.2L	1999-2009	BLACK X COMPOSITE
938-8M0115138	357 MAG 4V	2008+	BLACK X COMPOSITE
938-8M0115139	383 MAG 4V	2010+	BLACK X COMPOSITE
938-8M0115140	385 PT	2016+	PERFORMANCE TUNE
938-8M0115141	454/502 HO GEN V & VI	1992-2000	BLACK X COMPOSITE
900-8M0090760	8.1L STBD/RIGHT	2000+	BLACK X COMPOSITE
900-8M0091709	8.1L PORT/LEFT	2000+	BLACK X COMPOSITE
938-8M0115142	540 MAG 2.19" INTAKE	2014+	MANLEY SEVERE DUTY
938-8M0115143	500/500EFI/540 2.25"	1992+	MANLEY SEVERE DUTY