MerCruiser OEM Exhaust Kits
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OEM MerCruiser 305/350 Exhaust Manifold & Riser Kit - 5.7 / 5.0 / 6.2 E-Coated (1986-2002) 860246Q11 807988Q03
Mercury Marine / Quicksilver
$1,286.34 $1,121.96OEM MerCruiser exhaust Kit for 5.7 350 or the 5.0 305 Small block and 6.2 377 For MerCruiser center riser small block V8 engines approx. 1986-2002 (if you have a 2002, you may need dry joint exhaust, please call us with your serial number)...- Part Number:
- K-OEM350
- Availability:
- In Stock - Ships same or next business day.
- Coating:
- E-Coated
- Engine Size:
- Small V8 (5.0, 5.7, 6.2)
- Generation:
- Wet Joint (86-2002)
$1,286.34 $1,121.96 -
OEM MerCruiser 7.4 / 454 / 502 Exhaust Manifold and Riser kit 807078T08 807988Q03
Mercury Marine / Quicksilver
$1,333.00 $1,161.96OEM MerCruiser 454 and 502 Exhaust Kit Fits: • 454 and 502 center riser style engines with 4 inch risers • Approx. 1983-2002 Includes: • 2x OEM MerCriuser Manifold 807078T08 Replaces 807078T10 (manifold...- Part Number:
- K-OEM454
- Availability:
- In Stock - Ships same or next business day.
- Coating:
- E-Coated
- Engine Size:
- Big Block V8 (454 and 502)
- Generation:
- Wet Joint (86-2002)
$1,333.00 $1,161.96 -
OEM MerCruiser 350/5.7/5.0/6.2 dry joint SB V8 Exhaust Manifold & Riser Kit (14 Degree) 8M0185794 864591T02
Mercury Marine / Quicksilver
$2,030.68OEM MerCruiser 350/5.7/5.0/6.2 dry joint SB V8 Exhaust Manifold & Riser Kit (14 Degree) Fits:• 2004 and newer MCM GM V-6 & V8 (305 350 & 377 cid) engines with dry joint exhaust manifold (s/n 0W310000 and up)• 2002 and...- Part Number:
- K-OEM350DRY14
- Availability:
- In Stock - Ships same or next business day.
- Coating:
- Hot Dipped (Ceramic)
- Engine Size:
- Small V8 (5.0, 5.7, 6.2)
- Generation:
- Dry Joint (02-2010)
$2,030.68 -
OEM MerCruiser 4.3 V6 Exhaust Manifold and Riser Kit (4 inch) 1983-2002 99746A17 807988Q03
Mercury Marine / Quicksilver
$1,293.68 $1,052.06OEM MerCruiser 4.3 V6 Exhaust Manifold & Riser Kit For MerCruiser 4.3 engines with center riser exhaust and 4 inch risersApprox 1986-2002 with some exceptions Includes: • 2x MerCruiser manifold part number - 99746A17 (Replaces 99745,...- Part Number:
- K-OEM262
- Availability:
- In Stock - Ships same or next business day.
- Coating:
- Hot Dipped (Ceramic) Manifolds /E-coated Risers
- Engine Size:
- 4.3 v6
- Generation:
- Wet Joint (86-2002)
$1,293.68 $1,052.06 -
(7 Degree) Dry Joint OEM MerCruiser V8 350/305 Exhaust Manifold Kit (2002-04) 8M0185794 864309T02
Mercury Marine / Quicksilver
$1,925.94New OEM Dry Joint exhaust kit 7 Degree For MCM Serial numbers (OM600000-OW309999) approx 2002-2004 (some early 2005) with 7 degree risers! Includes: • 2x Part Number: 864309T02 riser (7 Degree) • 2x...- Part Number:
- K-OEM350DRY7
- Availability:
- In Stock - Ships same or next business day.
- Coating:
- Hot Dipped (Ceramic)
- Engine Size:
- Small V8 (5.0, 5.7, 6.2)
- Generation:
- Dry Joint (02-2010)
$1,925.94 -
OEM MerCruiser 305/350 HD Coated Exhaust Manifold & Riser Kit - 5.7 / 5.0 / 6.2 (1986-2002) 860246A15 807988A03
Mercury Marine / Quicksilver
$1,412.22 $1,336.70OEM MerCruiser HD(Hot dipped) Coated Exhaust Kit for 5.7 350 or the 5.0 305 Small block and 6.2 377 For MerCruiser center riser small block V8 engines approx 1986-2002 (if you have a 2002 or newer you may need dry joint exhaust. Please call us with your...- Part Number:
- K-OEM350-HD
- Availability:
- In Stock - Ships same or next business day.
- Coating:
- Hot Dipped (Ceramic)
- Engine Size:
- Small V8 (5.0, 5.7, 6.2)
- Generation:
- Wet Joint (86-2002)
$1,412.22 $1,336.70 -
OEM MerCruiser EC Exhaust Manifold & Riser Kit 5.0 5.7 6.2 (2010+) 8M0103773 8M0103774
Mercury Marine / Quicksilver
$2,388.90OEM MerCruiser EC Exhaust Manifold & Riser Kit 5.0 5.7 6.2 (2010+) 8M0103773 8M0103774- Part Number:
- K-OEM350EC
- Availability:
- In Stock - Ships same or next business day.
$2,388.90 -
(14 Degree) Dry Joint OEM MerCruiser 4.3 V6 Exhaust Manifold and Riser Kit 864612T01 864591T02
Mercury Marine / Quicksilver
$1,896.69OEM MerCruiser 4.3 V6 Exhaust Kit For MerCruiser 4.3 engines with DRY JOINT center riser exhaust and 14 degree 4 inch risers (if you are not sure of the angle of your risers, please call us with your serial number) 2002+ with some exceptions Includes:...- Part Number:
- K-OEM262DRY14
- Availability:
- In Stock - Ships same or next business day.
- Coating:
- Hot Dipped (Ceramic)
- Engine Size:
- 4.3 v6
- Generation:
- Dry Joint (02-2010)
$1,896.69 -
OEM MerCruiser HD-coated 7.4 / 454 / 502 Exhaust Manifold and Riser kit 807078T10 807988A03
Mercury Marine / Quicksilver
$1,751.22 $1,675.70OEM MerCruiser 454 and 502 Exhaust Kit Hot Dipped and coated OEM parts. Fits: • 454 and 502 center riser style engines with 4 inch risers • Approx. 1983-2002 Includes: • 2x OEM MerCriuser Manifold 807078T10 ...- Part Number:
- K-OEM454-HD-CERAMIC
- Availability:
- Same Or Next Business Day
- Coating:
- Hot Dipped (Ceramic)
- Engine Size:
- Big Block V8 (454 and 502)
- Generation:
- Wet Joint (86-2002)
$1,751.22 $1,675.70 -
(7 Degree) DRY JOINT OEM MerCruiser 4.3 V6 Exhaust Manifold and Riser Kit
Mercury Marine / Quicksilver
$1,791.95OEM MerCruiser 4.3 V6 Exhaust Kit For MerCruiser 4.3 engines with DRY JOINT center riser exhaust and 7 degree 4 inch risers (if you are not sure of the angle of your risers, please call us with your serial number) 2002+ with some exceptions...- Part Number:
- K-OEM262DRY7
- Availability:
- In Stock - Ships same or next business day.
- Coating:
- Hot Dipped (Ceramic)
- Engine Size:
- 4.3 v6
- Generation:
- Dry Joint (02-2010)
$1,791.95 -
OEM MerCruiser 4.3 V6 Exhaust Manifold and Riser Kit (4 inch) 1983-2002 HD Ceramic 99746A17 807988A03
Mercury Marine / Quicksilver
$1,400.00 $1,213.00OEM 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: • 2x MerCruiser manifold part number -...- 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)
$1,400.00 $1,213.00 -
OEM MerCruiser EC Exhaust Manifold & Riser Kit 4.3 & 4.5 v6 (2010+) 8M0104216 8M0104214
Mercury Marine / Quicksilver
$2,280.09OEM 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.
$2,280.09
MerCruiser OEM Exhaust Kits
PowerBoatSupply.com supplies boat owners and mechanics with MerCruiser OEM Exhaust Kits to replace broken-down exhaust systems or worn-out component parts. We have all the replacement parts you need to get maximum drive and efficiency from your boat engine.
If your exhaust system is functioning properly, you’ll have excellent performance. If there’s a leak, you might end up dead in the water with an engine that needs to be totally replaced. We recommend changing exhaust systems for salt water boats every 5 years, with frequent inspections in between. Any more than 5 years, and you’re making a huge gamble, even if the parts look like they’re in excellent condition. For fresh water applications, parts can last 10 years or more, but it’s still necessary to inspect them often.
If you need to replace your MerCruiser exhaust riser, manifold, or other components like gaskets, bellows, and bolts, search for MerCruiser parts at PowerBoatSupply.com today.
MerCruiser Exhaust Manifold Riser Kits
Though there are some aftermarket parts that are very good quality, we recommend choosing original equipment manufacturer, or OEM, parts whenever possible. PowerBoatSupply.com carries MerCruiser OEM exhaust replacement kits that come with everything you need - including new manifolds and risers - to replace your entire system. When it comes to boat maintenance, the old saying is true; an ounce of prevention is worth a pound of cure. Stop major problems before they occur by preventing leaks, corrosion, and blockages in your exhaust system.
MerCruiser Riser Replacement
From replacement MerCruiser riser elbows to MerCruiser manifolds, we have you covered. Of course, for the time it takes to replace certain parts, it’s sometimes better to just replace the whole system, which is why the MerCruiser exhaust kit is always a popular choice.
PowerBoatSupply.com has been helping professional marine mechanics and DIY boaters find the right OEM exhaust systems and parts since 1987. We know MerCruiser exhausts inside and out, and are happy to answer any questions you may have. We are proud to offer competitive prices and fast shipping on all orders.