MerCruiser 4.3 Exhaust Parts
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(7 Degree) DRY JOINT OEM MerCruiser 4.3 V6 Exhaust Manifold and Riser Kit 864612T01 864309T02
Mercury Marine / Quicksilver
$1,821.99 $1,799.99OEM MerCruiser 4.3 V6 Exhaust Kit For MerCruiser 4.3 engines with DRY JOINT center riser exhaust and 7 degree 4 inch risers- 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)
$1,821.99 $1,799.99 -
2X OEM DRY JOINT Block Off riser elbow Gaskets 864549A02
Mercury Marine / Quicksilver
$112.98 $95.98- Part Number:
- K-2-710-27-864549A02
- Availability:
- Same Or Next Business Day
$112.98 $95.98 -
2X OEM DRY JOINT Full Flow riser elbow Gaskets 864547A02
Mercury Marine / Quicksilver
$133.98 $113.98- Part Number:
- K-2-710-27-864547A02
- Availability:
- Same Or Next Business Day
$133.98 $113.98 -
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 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 -
OEM MerCruiser 4.3 V6 1-Piece to 2-Piece Conversion Kit 1996 + 864293a02
Mercury Marine / Quicksilver
$407.49 $308.39CONVERSION KIT 864293a02 Includes: • 2x upper rubber tube (elbow to intermediate elbow) - 32-44358001 • 2x lower rubber tube (for original Y pipe) 32-807458T • 2x lower rubber tube (for New style Y...- Part Number:
- 710-864293A02
- Availability:
- In Stock - Ships same or next business day.
$407.49 $308.39 -
OEM MerCruiser Exhaust Riser Spacer Kit 3" 93320A14 (for SS elbows only)
Mercury Marine / Quicksilver
$366.83 $353.82NEW OEM MerCruiser 3 inch spacer kit ONLY WORKS WITH Stainless Steel ELBOWS! Includes everything in the photo: • bolts •- Part Number:
- 710-93320A14
- Availability:
- In Stock - Ships same or next business day.
$366.83 $353.82 -
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 -
OEM Quicksilver/Mercury 1.7 Dry Joint Riser Kit 865996A01
Mercury Marine / Quicksilver
$718.49 $613.48OEM Quicksilver/Mercury 1.7 Dry Joint Riser Kit 865996A01 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be...- Part Number:
- 710-865996A01
- Availability:
- In Stock - Ships same or next business day.
- Description:
- 1.7" for closed cooling and dry joint exhaust manifolds
$718.49 $613.48 -
Special Order! See availability for details
OEM Quicksilver Mercruiser Mercury 4.7 Riser Kit 866208A03
Mercury Marine / Quicksilver
$718.99 $609.99OEM Quicksilver/Mercury 4.7 Riser Kit 866208A03 Please confirm fitment of MerCruiser parts with your serial numberPhotos and descriptions provided via Mercury may not always be accurateAll of our...- Part Number:
- MM-866208A03
- Availability:
- See Special Order Details
- Description:
- 4.7" for closed cooling and dry joint exhaust manifolds
$718.99 $609.99 -
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
4.3 Exhaust Parts
PowerBoatSupply.com has a full stock of MerCruiser 4.3 exhaust parts for boat owners and mechanics who need to replace a faulty or worn-out component or take on an entire rebuild. Come to us for all the replacement parts you need to get maximum power from your engine and keep it in top condition.
We suggest changing your OEM exhaust system every 5 years, just to be safe. It’s possible that it could last for longer, but you’re really taking a risk that water will seep into your motor and cause serious damage. For fresh water applications, exhaust parts might last much longer, but routine maintenance is still necessary. If you have a 4.3L MerCruiser engine, you’ll need 4.3 exhaust kits or individual components from our large inventory. PowerBoatSupply.com is proud to carry only premium OEM parts and high-quality Sierra aftermarket parts. Stop a small problem from becoming a big one with these exhaust system replacement parts.
MerCruiser 4.3 Exhaust Manifold
Venting hot gasses from the cylinders is an important job and it all starts with your manifold. Exhaust manifolds from PowerBoatSupply.com are precision-engineered to be efficient, durable, and easy to install. Made to handle the outflow of gasses from these powerful engines, a new manifold is a must if you notice any sort of corrosion or leakage.
MerCruiser 4.3 Exhaust Y Pipe
In addition to riser elbows, MerCruiser 4.3 Y pipes play an important role in venting gas collected by the manifold outward. Y pipes take exhaust from two separate manifolds and combine it into one transom assembly. Just like with the manifolds, if you notice any seepage, leakage, or corrosion, the best course of action is to replace the part entirely.
We also carry other essentials for 4.3 liter MerCruiser motors. MerCruiser 4.3 spacer kits contain the parts you need to make sure your exhaust system sits at the right height. We also offer riser elbows, and smaller spare MerCruiser 4.3 exhaust parts like gaskets and bolts. If you need an entire new system, or just a new gasket, we’ve got all the MerCruiser exhaust replacement parts you require.
PowerBoatSupply.com has been fixing, building, and maintaining marine engines since 1987. If you have a question, drop us a line and let our experience work for you.