Quicksilver 8M0099070 Exhaust Manifold for MerCruiser Big Block EC Engines

The Quicksilver 8M0099070 is a genuine OEM replacement exhaust manifold engineered specifically for MerCruiser big block EC stern drive and inboard engines. Designed to meet Mercury Marine's original equipment specifications, this manifold delivers reliable exhaust flow management and long-term durability in demanding marine environments.

Key Features:

• Three catalyst exhaust design for optimized exhaust performance
• Compatible with MerCruiser 496 Magnum stern drive and inboard engines
• Compatible with MerCruiser 8.1S EC stern drive and inboard engines
• Compatible with MerCruiser 8.2L Magnum EC and 8.2L EC inboard engines
• Applicable serial number range: 1A350340 through 2A051742
• Exhaust manifold gasket included — no separate gasket purchase required
• Genuine Quicksilver/Mercury Marine OEM part — not aftermarket

As the premier supplier of Mercury Marine original equipment replacement parts, Quicksilver products are produced to meet stringent OEM performance standards. Cross-reference part number: 8M0045258. Always verify fitment using your engine's serial number before ordering.