MerCruiser 4" Exhaust Riser Elbow 8079882A, 51140, 44354A3, 44354A9, 44354A10
MerCruiser 4" Exhaust Riser Elbow 8079882A, 51140, 44354A3, 44354A9, 44354A10
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4" Exhaust Riser Elbow for MerCruiser
This 4" exhaust riser elbow directs engine exhaust into the cooling system and is a direct replacement for MerCruiser OEM numbers 8079882A, 51140, 44354A3, 44354A9, and 44354A10.
Overview
This 4" exhaust riser elbow for MerCruiser routes hot exhaust gases while mixing with raw water to cool the system. Designed for MerCruiser sterndrive and inboard engines, this elbow replaces worn or corroded factory units and restores proper exhaust flow.
Built For Performance
- Constructed from high-grade cast iron or aluminum for corrosion resistance
- Precision-machined gasket surfaces ensure a leak-free seal
- Correct 4" outlet diameter matches original equipment specifications
- Integral water jacket prevents overheating of exhaust components
- Drop-in replacement for multiple OEM part numbers simplifies sourcing
Specs At A Glance
| Part Number(s) | 8079882A, 51140, 44354A3, 44354A9, 44354A10 |
| Fitment | MerCruiser exhaust systems |
Good To Know
Q: Will this elbow fit my MerCruiser 5.7L? A: It fits many MerCruiser V8 models using the 4" riser pattern, but confirm your existing riser outlet size and bolt spacing before ordering.
Q: Should I replace the gasket when installing? A: Yes, always use a new MerCruiser exhaust riser gasket during installation to prevent exhaust leaks and water intrusion.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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