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Cylinder Heads
Mercury Marine and Quicksilver Cylinder Heads
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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 |
Mercury Quicksilver 8M0188297 Cylinder Head Assy 8.1L STBD
$2,443.75
$2,306.91
Mercury Quicksilver 8M0188302 Cylinder Head Complete V8 5.7/6.2L
$1,225.00
$1,156.41
Mercury-Mercruiser 8M0188299 Cylinder Head Complete 2.5L/3.0L
$1,543.75
$1,457.31
Mercury-Mercruiser 8M0188300 Cylinder Head Complete 3.0L
$1,456.25
$1,374.71
Mercury-Mercruiser 900-8M0046344 Cylinder Head Complete 8.2L
$4,947.35
$4,535.35
Mercury-Mercruiser 900-8M0107023 Cylinder Head Complete 6.2L
$1,871.36
$1,715.52
Mercury-Mercruiser 900-8M0116266 Cylinder Head Complete 4.5L
$1,633.64
$1,497.60
Mercury-Mercruiser 938-8M0115140 CYLINDER HEAD ASSEMBLY
$1,143.75
$1,079.71
Mercury-Mercruiser 938-8M0115142 Cylinder Head Complete
$1,525.00
$1,439.61