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Sierra 18-1976-2 Mercruiser Manifold Elbow

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List Price: $301.19
Starting At: $250.99
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Sierra 18-1976-2 Mercruiser Manifold Elbow

Fits most Mercruiser V6 and V8 applications, 7 degree (4" O.D. Riser).

Unlike automotive engines, all marine inboards have exhaust risers that feature a water induction elbow. Located behind the engine’s coolant reservoir, the manifold elbow is a critical component to prevent water from entering the engine. It is also a target for corrosion and must be examined frequently and replaced as needed. Sierra, a leading aftermarket manufacturer offers the 18-1976-2 MerCruiser Manifold Elbow which is compatible with most MerCruiser V6 and V8 applications, 7 degree (4" O.D. Riser). This component is recommended for saltwater applications, additional product information follows:


  • Sierra 18-4203
  • Sierra 18-0897 Exhaust Elbow Gasket
  • Sierra 18-4258 Pipe Plug


  • Barr
    • MC-20-44354
  • GLM
    • 51140
  • Mallory
    • 9-40559
  • Mercruiser
    • 44354A3
    • 807914A1
    • 44354A9
    • 44354A10
    • 44354A13
    • 807988A2
    • 807988A03
  • Osco
    • 4354

For use with:

  • Manifolds
    • 18-1952-1
    • 18-1953-2
    • 18-1957-1
  • Exhaust Elbow Gaskets
    • 18-0672
    • 18-0897
    • 18-2849-1
    • 18-2849-9-1

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