Quicksilver Manifold-Exhaust - 8M0104205

Model # 21173406 Mfg # 8M0104205
3.9 out of 5 Customer Rating
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
Quicksilver Manifold-Exhaust - 8M0104205 image number 0
Quicksilver Manifold-Exhaust - 8M0104205 image number 1
Quicksilver Manifold-Exhaust - 8M0104205
Model # 21173406 Mfg # 8M0104205
3.9 out of 5 Customer Rating
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
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Quicksilver Manifold-Exhaust

The Quicksilver 8M0104205 Manifold-Exhaust is a genuine Mercury Marine OEM factory replacement part engineered specifically for MerCruiser MCM 3.0L MPI EC sterndrive engine applications. As an authorized OEM component, this exhaust manifold ensures exact fit and function, maintaining the performance and reliability standards of your original engine system. This part supersedes the earlier Mercury Marine part number 879288T06, making it the current correct replacement for affected engine configurations.

Designed to meet the same engineering tolerances and quality standards as the original equipment, this exhaust manifold is not an aftermarket substitute—it is sourced directly from Mercury Marine's manufacturing and distribution network. Proper exhaust manifold function is critical to engine efficiency, cooling, and longevity, and using a genuine OEM part ensures that these standards are upheld throughout the service life of the component.

With a length of 32.50 inches, width of 14.00 inches, and height of 12.88 inches, and a weight of 98 pounds, this is a substantial, heavy-duty marine exhaust system component built to withstand the demanding conditions of marine engine operation. Fitment is guaranteed when used on the correct MerCruiser MCM 3.0L MPI EC engine platform.

Key Features

  • Genuine Mercury Marine OEM factory replacement part
  • Designed to fit MerCruiser MCM 3.0L MPI EC engines
  • Supersedes previous part number 879288T06
  • Not aftermarket — direct factory-sourced component
  • Guaranteed product fitment for compatible engine applications
  • Heavy-duty construction: 98 lbs, 32.50" L x 14.00" W x 12.88" H
  • Backed by Mercury Marine's limited parts warranty
  • Available through authorized Mercury Marine dealers

Length 32.50

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