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Marine Engines Repower – Bayliner Cierra 2655, 1991 model Mercruser MCM 5.0l LX
Dennis, Thanks for your inquiry and the opportunity at earning your business. Since Mercruiser made both Alpha and Bravo sterndrive models with that engine I would not be able to tell you without knowing which one your engine is setup for. Can you give me the original engine serial number? Or can you tell me if [...]

4.3L Marine Engine Longblock Performance Specification
Mike, Thanks for your inquiry and the opportunity at earning your business. The Hp rating for longblocks is determined by the fuel system that’s install back onto the engine. For example since GM only produced one marine version of the 4.3L during this timeframe Mercruiser used this same longblock on their 190 Hp 2 barrel carb [...]

Marine Engines – Replacement marine engine for my boat 5.7 mercruiser 1992 #0d763634
Marty, Thanks for your inquiry and the opportunity at earning your business. Using the links below you can review your options. Let me know if you need any further technical information or help placing your order. In either case I will be glad to assist! Link to Block Code/Serial Number Location http://www.perfprotech.com/store/app_themes/PPT/images/block-casting-no.jpg Link to Remanufactured Longblocks http://tinyurl.com/68kcet8 Link to Remanufacturing [...]

Suzuki Marine Outboard Motors – Replacing a Fuel Pump on a DF70
Step by Step Video Instructions illustrating how to change an electric fuel pump on a Suzuki DF70 outboard motor. Watch Video

Boat Trailer Parts and Accessories – How to Replace a Boat Trailer Hub
Step by Step video instructions illustrating how to replace a leaky oil filled hub on a boat trailer. Watch Video

You are Here: Tech Library > PPT Articles & Categories > Marine Exhaust Manifolds

** Offering the option between Original Equipment, Direct Replacement, and High Performance Marine Engine Parts **

Marine Exhaust Manifolds

If you're tired of the high costs associated with replacing your exhaust manifolds and risers every few years we have the solution. PPT offers the industry's lowest cost direct replacement marine exhaust manifolds and risers but also internally and externally CERAMIC COATED MARINE EXHAUST MANIFOLDS , and ELECTROSTATICALLY POWDER PAINTED direct replacement exhaust products at the industries absolute lowest prices!

Top-Quality Marine Exhaust Manifolds

Compare prices; the competition is selling competitive marine exhaust manifolds and riser kits at well over $650 for Mercruiser style small V8 replacements versus PPT's Electrodeposition Coated marine exhaust manifolds . Our marine exhaust manifolds and risers are manufactured/cast using the same "Green Sand" casting method as used by Mercruiser, Volvo Penta, Crusader, Osco, Barr, Sierra, etc and also manufactured/cast using the same Class 2500 (25,000 Psi Tensile) Gray Iron as the original OEM products. Our Mercruiser exhaust manifolds , Mercruiser exhaust systems and risers come standard with a ...3 year warranty... versus most OEM's 1 year warranty, come complete with all of the required gaskets both manifold and riser, and also come with all new mounting fasteners and plugs as well. Unlike most other competitors direct replacement exhaust manifolds and risers which come with only exterior primer paint, our products come with the same industry leading corrosion protection used on original Mercruiser exhaust manifolds and Mercruiser exhaust systems. Our extensive background engineering products for one of the largest OEM's in the industry allowed us to gain a tremendous amount of experience which we now apply to our own products and product lines, and therefore offer at a fraction of the cost of the original equipment manufacturers costs. Select the following link to view several of the industry Awarded Patents we have been issued.

Select the following links for helpful information regarding Marine Exhaust Manifold trouble shooting and installations issues - Marine Exhaust Tech Tips

Electro deposition Coated Marine Exhaust Manifolds & Risers


104035 Mercruiser Big Block 7.4/8.2L (1984 - 2001)	104034 Mercruiser Small V8 5.0/5.7L (1983 - 2003)	102979 Mercruiser V6 4.3L 175-220 Hp (1985 - 2003)	104037 MerCruiser Inline 6 250 CID Model 165 (1970 - 1981)


104038 (Port) 104039 (Stbd) Mercruiser Small V8 5.0/5.7L (1967 - 1982)	102994 Mercruiser 4" Riser V6 / Small & Big V8 (1983 - 2003)	104036 Mercruiser "Log" Riser 5.0/5.7L V8 (1967 - 1982)	104043 Volvo V-8 Manifold 5.0/5.7L V8 (1979 - 1993)


104042 Volvo V-8 Riser 5.0/5.7L V8 (1979 - 1993)	104041 Barr / Marine Power Exhaust Manifold 5.0/5.7L V-8	104040 Barr / Marine Power Center 3" Riser 5.0/5.7L V-8