Stock OEM MerCruiser V8 454 big block Exhaust Manifolds replaces Aqua Power 5506, Barr MC-1-89011, GLM 51240, Marine Power 0991-100, Mercruiser 89011, Osco 9011, Sierra 18-1957-1.
OEM 4" Mercruiser Center Riser replaces MerCruiser 44354, GLM 51140, Barr MC-20-44354, Osco 4354, Sierra 18-1976-1.
XinLong Machinery is a major manufacturer of high-quality exhaust manifolds, risers, elbows, and other assorted marine engine parts. These products are direct replacements for parts from MerCruiser, Volvo Penta, Crusader, Chris Craft, Chrysler, OMC, and other brand names.
The manifold fits for following engines: MerCruiser V8 Big Block Models 330, 340 and 454 Magnum Inboard and stern-drive unit.
 | Replaces | |
| Aqua Power | 5506 | |
| Barr | MC-1-89011 | |
| GLM | 51240 | |
| Marine Power | 0991-100 | |
| Mercruiser | 89011 | |
| Osco | 9011 | |
| Sierra | 18-1957-1 | |
4" exhaust outlet, 7° down angle. (Not suitable for high performance engine)
 | Replaces | |
| Aqua Power | 5706 | |
| Barr | MC-20-44354 | |
| GLM | 51140 | |
| Marine Power | 0992-400 | |
| Mercruiser | 44354 807914 807988 | |
| Osco | 4354 | |
| Sierra | 18-1976-1 | |
If you have any questions about our products, please contact us immediately !
