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Riser Exhaust 4 Inch for Mercruiser V6 V8 1987-2002 Center 807988A2

  • OSC4354 is currently unavailable and is replaced by..
  • Part #: HGE4354


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Cast iron Exhaust Riser For Mercruisers. It comes with the Riser and the mounting bolts. It is used on all Mercruiser Center riser applications (V6 & V8) with a 4" riser. 4 Inch riser refers to the exhaust hose size that fits on the riser itself. Generally any from 1986 to 2002. Note: 1986 was a Transition Year, and some applications had 3" risers.
Cross Reference Part Numbers
Mercruiser 807988A2, 44354A3
Osco 4354
Barr MC-20-44354
GLM 51140
Sierra 18-1976-1
Mallory 9-40559

HGE Cast Iron Manifolds and Risers come with a 3-year limited warranty

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