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Mercruiser 5.0, 5.7, and 6.2 Gaskets and Bolts

Mercruiser 5.0, 5.7, and 6.2 Gaskets and Bolts

  • OEM V6 & V8 Small Block manifold mounting bolt 10-53728 8M0214937

    OEM V6 & V8 Small Block manifold mounting bolt 10-53728 8M0214937

    Mercury Marine / Quicksilver

    $4.90 $3.06
    NEW OEM MerCruiser (center riser style) Exhaust manifold mounting bolts Fits V6 and small block engines 5.0-305 , 6.2-377, 383approx 1986+ V6 uses 6 bolts per manifoldV8 uses 4 bolts per manifold
    Part Number:
    710-10-8M0214937
    Availability:
    In Stock - Ships same or next business day.
    Fitment:
    .375-16 x 4.75
    $4.90 $3.06
  • OEM MerCruiser 4" Exhaust Riser elbow mounting bolt 10-43749

    OEM MerCruiser 4" Exhaust Riser elbow mounting bolt 10-43749

    Mercury Marine / Quicksilver

    $8.50 $5.31
    OEM MerCruiser Exhaust Riser mounting bolts Fits 4.3 , small block, and big block MerCruiser engines with 4" Riser Elbows Will not work for dry joint (2002+) Not for riser mounted remote oil filter! see other listings
    Part Number:
    710-10-43749
    Availability:
    In Stock - Ships same or next business day.
    $8.50 $5.31
  • OEM MerCruiser Full Flow Riser Elbow Gasket 27-863726

    OEM MerCruiser Full Flow Riser Elbow Gasket 27-863726

    Mercury Marine / Quicksilver

    $19.30 $13.99
    OEM MerCruiser Full Flow Riser Elbow Gasket 27-863726 Factory gasket that goes between the manifold and riser. Used on GM V6 and V8 engines. This is the Completely open gasket for Full Flow engines only! Exhaust elbow gasket 863726 is the standard...
    Part Number:
    710-27-863726
    Availability:
    In Stock - Ships same or next business day.
    $19.30 $13.99
  • OEM MerCruiser Restricted Riser Elbow to Manifold Gasket 27-863724

    OEM MerCruiser Restricted Riser Elbow to Manifold Gasket 27-863724

    Mercury Marine / Quicksilver

    $17.60 $12.49
    OEM MerCruiser Restricted Riser Elbow Gasket 27-863724 Exhaust elbow gasket 863724 is the standard cooling, restrictor gasket. This gasket is for use on V-6 and V-8 MerCruiser stern drives and inboard engines (1981 through 1997) made by General motors...
    Part Number:
    710-27-863724
    Availability:
    In Stock - Ships same or next business day.
    $17.60 $12.49
  • OEM MerCruiser Block off riser elbow Gasket 27-8637251

    OEM MerCruiser Block off riser elbow Gasket 27-8637251

    Mercury Marine / Quicksilver

    $18.90 $13.49
    OEM MerCruiser Block off riser elbow Gasket 27-8637251 Factory gasket that goes between the manifold and riser. Used on GM V6 and V8 engines. This is the Completely blocked off gasket for closed cooling engines only! Exhaust elbow gasket 8637251 is the...
    Part Number:
    710-27-863725 1
    Availability:
    In Stock - Ships same or next business day.
    $18.90 $13.49
  • OEM MerCruiser DRY JOINT Restricted riser elbow Gasket 27-864850a02

    OEM MerCruiser DRY JOINT Restricted riser elbow Gasket 27-864850a02

    Mercury Marine / Quicksilver

    $58.25 $49.99
    OEM MerCruiser DRY JOINT Restricted riser elbow Gasket 27-864850a02 Exhaust elbow gasket 864850A02 is for use on 2002 and newer V-6 and V-8 MerCruiser stern drive and inboard engines with dry joint exhaust manifolds. This is a restrictor style gasket...
    Part Number:
    710-27-864850A02
    Availability:
    In Stock - Ships same or next business day.
    $58.25 $49.99
  • OEM MerCruiser V8 Small Block Manifold to Head Gasket 27-33395

    OEM MerCruiser V8 Small Block Manifold to Head Gasket 27-33395

    Mercury Marine / Quicksilver

    $13.70 $9.99
    OEM MerCruiser V8 Small Block Manifold to Head Gasket 27-33395 Exhaust manifold gasket 33395 is for use on V-8 (283, 305, 350 and 377 CID) engines made by General Motors for MerCruiser stern drives and inboards . See your owner's manual or service manual...
    Part Number:
    710-27-33395
    Availability:
    In Stock - Ships same or next business day.
    $13.70 $9.99
  • OEM MerCruiser DRY JOINT riser elbow Full Flow Gasket 27-864547a02

    OEM MerCruiser DRY JOINT riser elbow Full Flow Gasket 27-864547a02

    Mercury Marine / Quicksilver

    $58.17 $49.99
    OEM MerCruiser DRY JOINT riser elbow Full Flow Gasket 27-864547a02 Exhaust elbow gasket 864547A02 is for use on 2002 and newer V-6 and V-8 MerCruiser stern drive and inboard engines with dry joint exhaust manifolds. See your owner's manual or service...
    Part Number:
    710-27-864547A02
    Availability:
    In Stock - Ships same or next business day.
    $58.17 $49.99
  • OEM MerCruiser Exhaust Manifold 90 Drain Plug Elbow Fitting  22-862210a01

    OEM MerCruiser Exhaust Manifold 90 Drain Plug Elbow Fitting 22-862210a01

    Mercury Marine / Quicksilver

    $28.00 $23.99
    OEM MerCruiser Exhaust Manifold 90 Drain Plug Elbow Fitting 22-862210a01 Stainless Steel Exhaust Manifold Drain Elbow Kit 862210A01 is for use on V-6 and V-8 MerCruiser stern drive and inboard engines with center rise manifolds. Kit includes the...
    Part Number:
    710-22-862210A01
    Availability:
    In Stock - Ships same or next business day.
    Manufacturer Part Number:
    22-862210a01
    $28.00 $23.99
  • MerCruiser " T " fitting for under manifold 22-863786A1

    MerCruiser " T " fitting for under manifold 22-863786A1

    Mercury Marine / Quicksilver

    $48.25 $41.49
    MerCruiser " T " fitting for under manifold 22-863786A1 Exhaust manifold drain t-fitting 863786A1 is for use on MerCruiser V-6 and V-8 (305, 350 and 377 CID) engines with water drain systems. See your owner's manual, parts listing or service manual for...
    Part Number:
    710-22-863786A 1
    Availability:
    In Stock - Ships same or next business day.
    $48.25 $41.49
  • OEM MerCruiser DRY JOINT riser elbow block off Gasket 27-864549a02

    OEM MerCruiser DRY JOINT riser elbow block off Gasket 27-864549a02

    Mercury Marine / Quicksilver

    $53.92 $45.99
    OEM MerCruiser DRY JOINT riser elbow block off Gasket 27-864549a02 Exhaust elbow gasket 864549A02 is for use on 2002 and newer V-6 and V-8 MerCruiser stern drive and inboard engines with dry joint exhaust manifolds. This is a block off style gasket. See...
    Part Number:
    710-27-864549A02
    Availability:
    In Stock - Ships same or next business day.
    $53.92 $45.99
  • OEM MerCruiser Exhaust Center Riser mounting bolt (REMOTE OIL FILTER)

    OEM MerCruiser Exhaust Center Riser mounting bolt (REMOTE OIL FILTER)

    Mercury Marine / Quicksilver

    $16.92 $12.18
    OEM MerCruiser Exhaust Riser mounting bolts (extended) (63/4") Fits 4.3 , small block, and big block MerCruiser engines with 4" Riser Elbows Will not work for dry joint (2002+) ONLY for riser mounted remote oil filter!usually 2x per engine You will need...
    Part Number:
    710-10-44387
    Availability:
    In Stock - Ships same or next business day.
    Fitment:
    .376-16 x 6.750
    $16.92 $12.18
  • MerCruiser straight hose fitting 22-866725 22-863804

    MerCruiser straight hose fitting 22-866725 22-863804

    Mercury Marine / Quicksilver

    $17.60 $10.82
    MerCruiser straight hose fitting 22-866725 22-863804 22-866725 replaces 22-863804 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold...
    Part Number:
    710-22-866725
    Availability:
    In Stock - Ships same or next business day.
    $17.60 $10.82
  • 2X OEM Dry Joint Restricted riser elbow Gaskets 864850A02

    2X OEM Dry Joint Restricted riser elbow Gaskets 864850A02

    Mercury Marine / Quicksilver

    $116.50 $99.98
    OEM MerCruiser DRY JOINT Restricted riser elbow Gasket 27-864850a02 • Factory gasket that goes between the manifold and riser• Used on GM V6 and V8 engines 2002+• This is the partially open gasket for restricted flow engines...
    Part Number:
    K-2-710-27-864850A02
    Availability:
    Same Or Next Business Day
    $116.50 $99.98
  • 2X " T " fitting 22-863786A 1

    2X " T " fitting 22-863786A 1

    Mercury Marine / Quicksilver

    $96.50 $82.98
    MerCruiser " T " fitting for under manifold 22-863786A1 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our Mercury parts are sold and priced EACH
    Part Number:
    K-2-710-22-863786A 1
    Availability:
    Same Or Next Business Day
    $96.50 $82.98
  • OEM MerCruiser Dry Joint Riser mounting bolt 865982057 8M0214977

    OEM MerCruiser Dry Joint Riser mounting bolt 865982057 8M0214977

    Mercury Marine / Quicksilver

    $17.17 $12.36
    NEW Factory OEM MerCruiser Dry Joint Riser mounting bolt 10-865982057 865982057 8M0214977    Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be...
    Part Number:
    710-10-8M0214977
    Availability:
    In Stock - Ships same or next business day.
    Fitment:
    .375-16 x 7.50
    $17.17 $12.36

PowerBoatSupply.com carries all the MerCruiser 5.0, 5.7, and 6.2 exhaust parts you need to completely redo your boat’s exhaust, top to bottom. When it comes to your exhaust system, the little things can make a big difference - or cause a big problem. As part of your seasonal inspection, if you notice any wear, tear, or corrosion on your MerCruiser 5.0 gasket set, you should replace it immediately. This goes for 5.7L and 6.2L engines as well.

MerCruiser 5.0 Intake Manifold Gasket

Keeping water out of your engine is really about two things: First off, make sure your riser elbow is at the correct height to prevent backflow. Second, but no less important, come the seals between your engine and manifold, manifold and riser, and the riser and the rest of your exhaust. Though you may not notice water seeping in from the outside, a damaged MerCruiser 5.7 exhaust gasket, for example, can be leaking small amounts of cooling water into your engine. Even a small imperfection in this seal can have catastrophic consequences. Make sure you have the right MerCruiser spacer kits to connect your exhaust system parts, and make sure your MerCruiser 5.7 exhaust manifold gasket is in good condition.

MerCruiser 5.7 Exhaust Riser Gasket

For saltwater applications, it’s recommended that you inspect your exhaust every year, and replace your exhaust system every 5 years completely. Certain parts might last longer, but you’re really tempting fate by putting off this routine maintenance. Freshwater engines should need less monitoring, but it’s still important to keep a keen eye on all the little parts, like gaskets and bolts. If you need small replacement parts, bolts and gaskets from this collection will do just fine. However, if it’s time to replace your whole exhaust system, consider buying full exhaust kits from PowerBoatSupply.com.

Find MerCruiser Gaskets and Other Premium Replacement Parts

PowerBoatSupply.com has been in business since the 1980s, and we know the importance of upgrading your boat’s engine with the best parts for the job. We only carry OEM replacement parts and aftermarket parts from manufacturers we trust. Browse our impressive selection today.