MerCruiser Exhaust
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OEM MerCruiser Block off riser elbow Gasket 27-8637251
Mercury Marine / Quicksilver
$19.69 $13.99Genuine OEM MerCruiser riser elbow gasket, #27-8637251. Seals between the exhaust manifold and riser. This is the completely blocked-off gasket, for closed-cooling (fresh-water-cooled) engines only...- Part Number:
- 710-27-8637251
- Availability:
- In Stock - Ships same or next business day.
$19.69 $13.99 -
OEM MerCruiser " T " fitting for under manifold 22-863786A1
Mercury Marine / Quicksilver
$53.49 $39.87MerCruiser " 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...- Part Number:
- 710-22-863786A1
- Availability:
- In Stock - Ships same or next business day.
$53.49 $39.87 -
OEM (7 degree risers) MerCruiser V6/V8 "Dry Joint" Exhaust Riser 3" Spacer Kit (7 degree risers) (std cooling) 864929A1
Mercury Marine / Quicksilver
$1,012.99 $863.52OEM (7 degree risers) MerCruiser V6/V8 "Dry Joint" Exhaust Riser 3" Spacer Kit (7 degree risers) (std cooling) For V6 and V8 engines with (7 degree risers) 864309T02 (std cooling)Will work with Dry...- Part Number:
- 710-864929A1
- Availability:
- In Stock - Ships same or next business day.
$1,012.99 $863.52 -
OEM MerCruiser V6/V8 "Dry Joint" Exhaust Riser 3" Spacer Kit (14 degree risers) (std cooling) 864929A3
Mercury Marine / Quicksilver
$922.99 $789.18OEM MerCruiser DRY JOINT 3 inch riser kit For V6 and V8 engines with (14 degree risers) 864309T01, 864309T02 (std cooling) Will work with Dry Joint Exhaust only Includes:&n- Part Number:
- 710-864929A3
- Availability:
- In Stock - Ships same or next business day.
$922.99 $789.18 -
Sold Out, please call for ETA.
OEM MerCruiser Quicksilver Upper Exhaust Tube Y-Pipe Bellow 32-44348001 32-8M0199681
Mercury Marine / Quicksilver
$84.49 $71.99OEM MerCruiser EXHAUST BELLOWS (QUICKSILVER) 32-44348001 32-8M0199681 Exhaust bellows tube 44348001 is for MerCruiser 120, 140 and select V-6 and V-8 MerCruiser stern drive engines. See your owner's...- Part Number:
- 710-32-8M0199681
- Availability:
- In Stock - Ships same or next business day.
$84.49 $71.99 -
Sold Out, please call for ETA.
OEM Quicksilver/Mercury Riser Kit- 6" 864908A 2
Mercury Marine / Quicksilver
$885.49 $762.04OEM Quicksilver/Mercury Riser Kit 6" 864908A 2 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our...- Part Number:
- 710-864908A2
- Availability:
- In Stock - Ships same or next business day.
$885.49 $762.04 -
OEM MerCruiser EC "No Rise" Exhaust Elbow/Riser Starboard 8M0154271
Mercury Marine / Quicksilver
$549.99Fits 2008 and newer MCM/MIE V-6 & V-8 (305, 350 & 377 cid) EC engines. Note: This elbow does NOT include an elbow gasket for FWC engines. The FWC elbow gasket 27-8M2004606 will need to be ordered...- Part Number:
- 710-8M0154271
- Availability:
- In Stock - Ships same or next business day.
$549.99 -
Sold Out, please call for ETA.
OEM Quicksilver/Mercury 3" Dry Joint Riser Kit 864306A 3
Mercury Marine / Quicksilver
$869.99 $745.70OEM Quicksilver/Mercury 3" Dry Joint Riser Kit 864306A 3 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll...- Part Number:
- 710-864306A3
- Availability:
- In Stock - Ships same or next business day.
$869.99 $745.70 -
OEM MerCruiser V6/V8 Dry Joint Exhaust Riser 6" Spacer Kit (std cooling) 864908A1
Mercury Marine / Quicksilver
$931.49 $800.10OEM (14 degree risers) MerCruiser V6/V8 Dry Joint Exhaust Riser 6" Spacer Kit (std cooling) Fits: • MerCruiser • 4.3L, 5.0L, 5.7L, 6.2L • Part Num- Part Number:
- 710-864908A1
- Availability:
- In Stock - Ships same or next business day.
$931.49 $800.10 -
OEM Quicksilver/Mercury V6/V8 Dry Joint Exhaust Riser 3" Spacer Kit (14 degree risers) (FWC Only) 864929A4
Mercury Marine / Quicksilver
$869.49 $744.99OEM Quicksilver/Mercury V6/V8 Dry Joint Exhaust Riser 3" Spacer Kit (14 degree risers) (FWC Only) For V6 and V8 engines with (14 degree risers)Will work with Dry Joint Exhaust only Includes:- Part Number:
- 710-864929A4
- Availability:
- In Stock - Ships same or next business day.
$869.49 $744.99 -
Sold Out, please call for ETA.
OEM MerCruiser Down Elbows for 3 and 6 inch spacers 14801A1 14801A 1
Mercury Marine / Quicksilver
$624.49 $531.99MerCruiser Down Elbows for 3 and 6 inch spacers 14801A1 14801A 1 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be...- Part Number:
- 710-14801A1
- Availability:
- In Stock - Ships same or next business day.
$624.49 $531.99 -
MerCruiser EXHAUST FLAPPER (QUICKSILVER) 12644A1
Mercury Marine / Quicksilver
$44.99 $33.82MerCruiser EXHAUST FLAPPER (QUICKSILVER) 12644A1 Flapper and clamp included Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not...- Part Number:
- 710-12644A1
- Availability:
- In Stock - Ships same or next business day.
$44.99 $33.82 -
Quicksilver/Mercury Mercruiser Water Shutter Flapper Assembly 807166A2
Mercury Marine / Quicksilver
$100.49 $85.99Exhaust water shutter kit 807166A2 is for use on MerCruiser sterndrive engine Y-pipes with 2.98 in. diameter at the cross pin. See your owner's manual, parts listing or service manual for exact...- Part Number:
- 710-807166A2
- Availability:
- In Stock - Ships same or next business day.
$100.49 $85.99 -
OEM Quicksilver Mercrusier Mercury Exhaust Water Flapper Shutter Assembly 807166A1
Mercury Marine / Quicksilver
$100.99 $86.49Sterndrive exhaust water shutter 807166A1 is for use on MerCruiser sterndrives to keep following seas/water from washing back into the exhaust system and into the engine when engine is not running or...- Part Number:
- 710-807166A1
- Availability:
- In Stock - Ships same or next business day.
$100.99 $86.49 -
Special Order! See availaility for details
Mercury Tube Exhaust 710-8M0056199
$66.99 $61.99This product is a genuine, OEM Mercury Marine part. Fits the following models: 8.2L Mag EC Base Model - Serial #'s 2A041665 through 2A051741 8.2L Mag EC Base Model - Serial #'s 2A051743 & Up 8...- Part Number:
- MM-8M0056199
- Availability:
- See Special Order Details
$66.99 $61.99 -
OEM Quicksilver/Mercury 4" Exhaust Elbow Riser Kit 8M0057575
Mercury Marine / Quicksilver
$1,222.99 $1,092.62OEM Quicksilver/Mercury 4" Exhaust Elbow Riser Kit 8M0057575 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be...- Part Number:
- 710-8M0057575
- Availability:
- In Stock - Ships same or next business day.
$1,222.99 $1,092.62 -
OEM MerCruiser Dry Joint Riser mounting bolt 865982057 8M0214977
Mercury Marine / Quicksilver
$17.89 $14.49NEW 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...- Part Number:
- 710-10-8M0214977
- Availability:
- In Stock - Ships same or next business day.
- Fitment:
- .375-16 x 7.50
$17.89 $14.49 -
Sold Out, please call for ETA.
OEM MerCruiser 4.3 V6 Exhaust Manifold and Riser Kit (4 inch) 1983-2002 HD Ceramic 99746A17 807988A03
Mercury Marine / Quicksilver
$1,521.96 $1,192.99OEM MerCruiser 4.3 V6 Exhaust Manifold & Riser Kit Hot Dipped Ceramic Coated For MerCruiser 4.3 engines with center riser exhaust and 4 inch risersApprox 1986-2002 with some exceptions Includes:- Part Number:
- K-OEM262HDCERAMIC
- Availability:
- In Stock - Ships same or next business day.
- Coating:
- Hot Dipped (Ceramic) Manifolds and Risers
- Engine Size:
- 4.3 v6
- Generation:
- Wet Joint (86-2002)
$1,521.96 $1,192.99 -
OEM MerCruiser 496 / 8.1 Mag Exhaust Manifold & Riser Kit 866178A02
Mercury Marine / Quicksilver
$3,484.76OEM MerCruiser 496 / 8.1 Mag Exhaust Manifold & Riser Kit 866178A02 • Converts water rail manifolds to regular Includes turbulator and necessary hoses and parts! Fits MCM/MIE 496 MAG & 8.1S...- Part Number:
- K-OEM496
- Availability:
- In Stock - Ships same or next business day.
$3,484.76 -
OEM MerCruiser EC Exhaust Manifold & Riser Kit 4.3 & 4.5 v6 (2010+) 8M0104216 8M0104214
Mercury Marine / Quicksilver
$2,506.67OEM MerCruiser EC Exhaust Manifold & Riser Kit 4.3 & 4.5 v6 (2010+) 8M0104216 8M0104214- Part Number:
- K-OEM262EC
- Availability:
- In Stock - Ships same or next business day.
$2,506.67
MerCruiser Exhaust
If you want maximum performance and long-term reliability from your MerCruiser inboard engine, routine maintenance of your exhaust system is essential. Corrosion and normal wear can damage exhaust components, leading to poor performance or even serious engine issues. At PowerBoatSupply.com, you’ll find a wide selection of MerCruiser exhaust system parts—including exhaust manifolds, risers, bellows, and other replacement parts to keep your motor running at its best. We carry OEM MerCruiser parts as well as trusted aftermarket options from Sierra and other leading manufacturers.
MerCruiser Exhaust Risers
The exhaust riser is a critical component that should be inspected regularly as part of routine maintenance. At PowerBoatSupply.com, we stock the latest designs that efficiently collect hot gasses from the engine and cool them with a water-filled jacket. This process improves exhaust flow, boosts engine performance, and extends the lifespan of your motor.
MerCruiser Exhaust Manifolds and Components
Whether you need a new MerCruiser transom assembly, exhaust elbows, gaskets, or bolts, PowerBoatSupply.com is your one-stop shop for high-quality parts. From durable MerCruiser exhaust manifolds to complete MerCruiser outdrives, we provide everything you need for annual maintenance or complete rebuilds. With premium OEM and aftermarket options, you’ll spend less time in the shop and more time on the water. With over 35 years of experience in marine engine parts and service, we know the difference quality makes when you rely on your boat’s engine.
Find Quality MerCruiser Exhaust Parts
Shop our full inventory of MerCruiser exhaust components today and get the parts you need shipped fast, so your boat is always ready for the next adventure.