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Sierra 18-1848 Exhaust Manifold for GM 4.3L V6 Volvo Penta OMC

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-1848
10 reviews
03/11/2036 4:20 PM
Sale Price

$328.30

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Product Details

The Sierra 18-1848 is a cast iron exhaust manifold designed for GM 4.3L V6 engines used in Volvo Penta and OMC stern drive applications. This replacement manifold provides reliable exhaust routing from the engine block to the riser, engineered to withstand the high temperatures and corrosive marine environment.

Key Features:

  • Cast iron construction for durability and heat resistance
  • Direct replacement for Volvo Penta part number 3857656
  • Designed specifically for GM 4.3L V6 marine engines
  • Compatible with Volvo Penta and OMC stern drive systems
  • OEM-quality replacement part from Sierra Marine

Please Note: This manifold is sold without gaskets or mounting hardware, which should be ordered separately for proper installation. Always inspect exhaust risers, elbows, and gaskets when replacing manifolds to ensure complete system integrity.

Products specifications

Application

4.3L V6

Replaces

Volvo 3857656, 8847499

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