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Exhaust Systems

Exhaust Systems

Items 37-46 of 46

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    4 Cylinder Exhaust Manifold Gasket | Sierra 18-2912-1
    SIERRA-18-2912-1
    Qty In Stock: 3
    Brand: Sierra
    Combination intake & exhaust manifold gasket fits various early model GM 3.0L 4 cylinder marine engines. Learn More
    MSRP: $19.39 $13.44
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    Volvo Penta 4 Cylinder Intake Manifold Gasket | Sierra 18-2930
    SIERRA-18-2930
    Qty In Stock: 0
    Brand: Sierra

    Intake manifold mounting gasket for a variety of 4 cylinder Volvo overhead cam engine models.

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    MSRP: $63.19 $45.34
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  3. GM V6 Exhaust Manifold to Head Gasket, Pack of 2 | Sierra 18-2909-9
    GM V6 Exhaust Manifold to Head Gasket, Pack of 2 | Sierra 18-2909-9
    SIERRA-18-2909-9
    Qty In Stock: 28
    Brand: Sierra

    Gasket seals exhaust manifold to cylinder head on GM 3.8 liter & 4.3 liter CID marine engines.

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    MSRP: $21.89 $15.61
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  4. OMC & Mercruiser Lower Exhaust Boot | Sierra 18-2746
    OMC & Mercruiser Lower Exhaust Boot | Sierra 18-2746
    SIERRA-18-2746
    Qty In Stock: 24
    Brand: Sierra
    4 in. rubber oval exhaust hose connects exhaust elbow to exhaust Y-pipe on various Mercruiser marine engines. Learn More
    MSRP: $49.49 $41.93
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  5. 1-1/4 in. OMC Plug Off Cap | Sierra 18-0550
    1-1/4 in. OMC Plug Off Cap | Sierra 18-0550
    SIERRA-18-0550
    Qty In Stock: 24
    Brand: Sierra

    Used with OMC V-8 stern drives and inboard from 1977-present.

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    MSRP: $12.89 $8.23
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  6. Mercury Exhaust Cover Gasket | Sierra 18-2714
    Mercury Exhaust Cover Gasket | Sierra 18-2714
    SIERRA-18-2714
    Qty In Stock: 0
    Brand: Sierra

    Sierra exhaust cover gasket for 15-25 horsepower Mercury engines. 

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    MSRP: $7.39 $4.80
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  7. Sierra 18-4458 Exhaust Flapper With Clamp - 5 & 6 in.
    Exhaust Flapper With Clamp - 5 & 6 in. | Sierra 18-4458
    SIERRA-18-4458
    Qty In Stock: 29
    Brand: Sierra
    Exhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust. Learn More
    MSRP: $75.99 $48.54
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    Crusader Exhaust Elbow Mounting Kit | Sierra 18-8515
    SIERRA-18-8515
    Qty In Stock: 0
    Brand: Sierra

    One hole exhaust elbow gasket with mounting bolts for Crusader log style manifolds

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    MSRP: $20.79 $13.28
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  9. Sierra 18-0721 Mercruiser Full-Flow Dry Joint Raw Water Cooling Exhaust Elbow Gasket
    Mercruiser Full Flow Dry Joint Raw Water Cooling Exhaust Elbow Gasket | Sierra 18-0721
    SIERRA-18-0721
    Qty In Stock: 0
    Brand: Sierra
    Dry Joint Raw Water Cooling Exhaust Riser Gasket Learn More
    MSRP: $82.99 $53.14
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  10. Sierra 18-2780-1 OMC & Volvo Penta Exhaust Hump Hose - 3-1/2 in. ID x 5 in. Long
    OMC/Volvo Penta Exhaust Hump Hose | Sierra 18-2780-1
    SIERRA-18-2780-1
    Qty In Stock: 27
    Brand: Sierra

    Rubber hose connects exhaust elbow to exhaust pipe on multiple model OMC and Volvo Penta marine engines. 3-1/2 in. ID  x 5 in. length.

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    MSRP: $48.99 $31.79
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Items 37-46 of 46

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  1. Outboard Exhaust Housing Gaskets 1
  2. Exhaust Manifolds 5
  3. Exhaust Manifold Mounting Kits 3
  4. Exhaust Manifold Gaskets 13
  5. Exhaust Elbows & Risers 4
  6. Exhaust Elbow & Riser Gaskets 5
  7. Exhaust Flappers & Shutters 6
  8. Exhaust Boots 11
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