Quicksilver 8M0153670 Exhaust Elbow Riser Kit 2-Inch Starboard EC MerCruiser

The Quicksilver 8M0153670 is a genuine OEM starboard exhaust elbow (riser kit) designed for Emissions Control (EC) exhaust manifolds on MerCruiser sterndrive and inboard engines. This 2-inch (51 mm) riser is a direct-fit replacement part manufactured to Mercury Marine's original equipment standards, ensuring a precise, leak-free fit with no modification required.

This riser kit replaces the discontinued part number 8M0104209 and serves as the current production replacement for compatible engine applications.

Key Features:

• 2-inch (51 mm) outlet designed specifically for Emissions Control (EC) exhaust manifolds
• Starboard (right side) specific fitment — side-specific design for correct O2 sensor port orientation
• Genuine OEM Quicksilver part — factory-engineered for direct replacement with no modifications
• Replaces superseded part number 8M0104209
• Compatible with both EC and select non-EC engine configurations

Engine Compatibility:

• 2008 and newer MCM / MIE / Ski V-6 engines: 4.3L and 4.5L (EC)
• 2008 and newer MCM / MIE / Ski V-8 engines: 305, 350, and 377 cid (EC)
• 4.5L V-6 and 6.2L (Mercury) non-EC engines

As part of the Mercury Marine family, Quicksilver is the premier supplier of OEM replacement marine engine parts, engineered and tested to meet the same specifications as the original factory component. Always verify fitment using your engine serial number before ordering.