Mercury Marine and Quicksilver Cylinder Heads
Quicksilver now offers iron cylinder heads with exclusive Black-X Composit 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 |
938-8M0115134 Cylinder Head Assembly 2.5L/3.0L
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
938-8M0115136 4.3L Cylinder Head Complete
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
938-8M0115138 Cylinder Head Assembly 357
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
938-8M0115143 540 Hi Performance Cylinder Head Assy
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
900-8M0091709 CYLINDER HEAD ASSEMBLY
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
938-845704T5 Replaced by 8M0115143 has been superceded to a new part number.
The newest part number is 8M0115143
-click here- to see the newest superceded partPlease note the new superceded part is a functional replacement and may look differant from the original part