Exhaust Mercruiser
Exhaust Mercruiser
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![]() MERCRUISER EXHAUST MANIFOLD RISER KIT V8 305 350 CHEVY US $415.95
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![]() Exhaust Manifold Riser kit 305 350 4 Mercruiser US $424.61
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![]() Mercruiser Marine 43L V6 Exhaust Manifold 4 Riser Kit US $489.50
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![]() MERCRUISER 4CYL EXHAUST ELBOW US $25.00
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![]() MERCRUISER 4 CYLINDER EXHAUST PIPE AND ELBOW US $25.00
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![]() Mercruiser 18654 001 Exhaust Bellows OEM 18654A1 NEW US $10.95
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![]() MERCRUISER EXHAUST MANIFOLD V8 454 502 CHEVY MARINE US $129.95
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![]() Mercruiser Marine 350 V8 Exhaust Manifold 4 Riser Kit US $449.50
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![]() Mercruiser 496 Exhaust 454 502 Bravo Exhaust Mercury US $499.00
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![]() MERCRUISER OMC VOLVO EXHAUST Y PIPES ADAPTERS US $1.00
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![]() Mercruiser 350 exhaust parts y pipe connectors elbow US $39.95
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![]() V6 1 PIECE MANIFOLD CONVERSION KIT MERCRUISER EXHAUST US $725.95
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![]() MERCRUISER FORD 351302 EXHAUST MANIFOLD PORT SIDE US $105.00
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![]() MERCRUISER FORD 351302 EXHAUST MANIFOLD STB SIDE US $115.00
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![]() Mercruiser Exhaust Riser from 1970s inline 6 US $10.00
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![]() 50 57 L Exhaust Manifold Riser Kit 4 V8 Mercruiser US $699.99
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![]() GLM Marine Exhaust Manifold 229 262 43 V6 Mercruiser US $147.21
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![]() MERCRUISER EXHAUST RISER ELBOW FOR LOG MANIFOLDS V8 US $79.95
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![]() Mercruiser 816219a5 Exhaust Manifold US $100.00
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![]() MERCRUISER 470 170 37 EXHAUST MANIFOLD WITH TANK US $99.99
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![]() ALUMINUM V6 KIT MERCRUISER MARINE EXHAUST MANIFOLD US $925.95
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![]() Stainless exhaust tips pair boat mercruiser US $175.00
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![]() Mercury Mercruiser Exhaust Elbows 4 inch for V 8 V 6 US $40.00
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![]() Water Drain Plug Screw Kit 4 Mercruiser Exhaust Cooling US $14.99
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![]() MERCRUISER EXHAUST MANIFOLD AND RISER KIT V8 454 MARINE US $495.95
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![]() THRU THE TRANSOM EXHAUST MERCRUISER HI PERFORMANCE BOAT US $559.95
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![]() MERCRUISER QUICKSILVER MARINE EXHAUST ELBOW 22 15269 US $19.99
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![]() Mercruiser GIL DRY exhaust tail pipes stock bravo holes US $500.00
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![]() Mercruiser GIL exhaust TRS tail pipes 3 US $500.00
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![]() 2 Marine Exhaust Manifolds 229 262 43 V6 Mercruiser US $307.76
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![]() Mercruiser Alpha Bravo exhaust y pipe seal kit 41802 US $8.99
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![]() MERCRUISER EXHAUST BELLOWS 18 2750 32734A3 18654A1 NEW US $17.86
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![]() Mercruiser 25 30 Litre Exhaust Riser low hours US $100.00
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![]() 1994 Mercruiser 30L Exhaust Manifold with Elbow US $30.00
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![]() Mercruiser 30 Litre Intake Exhaust Manifold low hours US $150.00
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![]() Mercruiser PreAlpha V8 Exhaust Y Pipe 70241 US $45.00
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![]() Mercruiser V8 GM Exhaust Manifolds Risers US $255.00
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![]() Mercruiser PreAlpha 70s V8 GM Exhaust Manifolds US $190.00
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![]() CMI Tailpipes BBC 454 502 Boat Exhaust Mercruiser US $399.00
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![]() MerCruiser Inline 6 250ci 165hp Exhaust Manifold US $449.95
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1998 Baja Hammer, 320 HP I/O mercruiser problems?
ok, so i figured out that my V8 engine is only running on 5 cylinders. 4 years ago, i had a similar problem and had my Exhaust Manifolds replaced. 2 years later, i had the same problem and had the manifolds replaced again. now, i need them done again. somethings not right here....i shouldn't have to replace these every 2 years. even when i got a higher-grade material, it still only lasted 2 years.
i'm winterizing it by the manual so i don't know what to do. any suggestions? i really don't want to pay 3 grand just to have them break in 2 years....
Are you in Salt Water? Do you spend lots of time at wide open throttle, too?
By this time if you've had water leaking or seeping into the cylinders as a result of the exhaust manifolds, you very likely have so chewed up rings and a bad cylinder wall surface finish. I know this engine well. We did/do the camshaft for the 454 Magnum which comes in that engine from the factory. We went 550 hrs wide open and full load at the Mercruiser plant with this engine before they stopped the test.
A little different than yours, but the same basic engine. And I build them daily. I see lots of problems which are a direct result of what you are talking about.
I would not do a compression test, I would do a 'Leak Down' test. This will test how tight the ring and valves seal. If you don't have a leak down tester, you can get them online all day long from a company that sales specialty engine tools called Power house Products. Then you'll need an air compressor and each cylinder during the test needs to be at top dead center with both intake and exhaust valves closed.
Feel free to contact me.
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Exhaust Manifold GASKET SET MERCRUISER Sale Price: $24.49 |
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Aluminum Marine Exhaust Manifolds 305 350 V8 Mercruiser Sale Price: $315.88 |
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59235 Brand New GLM Marine Exhaust Aluminum Manifolds for 1983 + GM V8 305/350 Mercruisers with 4" elbows. Complete set with 2 year warranty. These are the lightweight aluminum perfomrance manifolds... |
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Upper Exhaust Hose, Mercruiser V8 Manifold With End Riser & Mercruiser 4-Cylinder Manifolds Mercruiser Part # 70981A3 Sale Price: $34.99 |
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Upper Exhaust Hose For Use With Mercruiser V8 Manifold With End Riser & Mercruiser 4-Cylinder Manifolds - Mercruiser Part # 70981A3. Upper Exhaust Hose works on Mercruiser 4-Cylinder Manifolds in the following engines 120 hp/2... |
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Valve-Exhaust-Std Mercury - Mercruiser 44182A-1 List Price: $30.90 Sale Price: $13.07 |
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Valve-Exhaust-Std Mercury - Mercruiser 44182A-1 |
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Mercury Mercruiser Exhaust Elbow GM V-6 V-8 807988A 2 Sale Price: $165.95 |
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OEM Mercury Mercruiser Exhaust Elbow. 4 inch (102 mm) O.D., 7 degree down angle, Ceramic coated Fits MCM/MIE GM V-6 & V-8 with center rise outlet exhaust manifold (2002 & older) Mercury Part# - 807988A 2 |
1999 Formula Fastech 312 Starboard engine run (Corsa Exhaust).


US $415.95












































