Topic: MerCruiser Exhaust Manifold Replacement Customer Question: “I am doing a resurrection project on a Formula 1986 357 SR1 , twin MerCruiser 454 motors, with KAMMA surface drives. They need replacement marine exhaust manifolds and risers. I also need to replace the thru hull exhaust hoses that connect from the exhaust riser to the thru […]

TOPIC: Marine Longblock Flywheels QUESTION: I’m looking at the New GM 350 Longblock – 5.7L Vortec for Years 1996 – Current, Models Carb, TBI & MPI w/ Crank Position Sensor and noticed that is it externally balanced yet does not come with a flywheel. Can you explain how these long blocks are balanced and what balancing will […]

TOPIC: Mercruiser 4.3L Longblock Replacement and Horsepower Upgrade Options QUESTION: I have a 1997 rinker captiva 192. Merc # K170XXX. The block cracked over the winter. I am looking to replace the stock 2 barrel carb motor with hopefully a upgraded 4.3. I don’t want to go radical but justa increase in performance. Pricing is critical. I […]

TOPIC: Available Big Block V8 Replacement Marine Engine Options for Complete Drop In Bobtail Engines QUESTION: I am interested in purchasing two (2) 8.1L Inboard “Bobtail” engines as direct replacement for some tired 8.1L Crusaders w/ ZF Hurth 63A 2.0 transmissions. My question is what all is included with the “Bobtail pkg? Regards, Patrick RESPONSE: Big Block V8 […]

TOPIC: Looking Up Internal Engine Parts for the Mercruiser 502 Mag Big Block V8 Marine Engines QUESTION: Hello I’m searching for some valve stem seals for my 96′ 502 mag mpi efi engine. Maybe you can help me. The stem has a 9,36 mm stem and the guide has a diameter of 15,77 mm Will these […]

TOPIC: Mercruiser Bravo 3 Driveshaft Housing Gear Replacement Options QUESTION: hi i have a Sea Ray 270 sd 2003 496 mag i need to repair my brayo three gear i wont to by new one DRIVESHAFT HOUSING AND DRIVE GEARS my SN is OW477xxx what do i need to order and what do i get? regades […]

TOPIC: How to Properly Identify a Mercruiser Big Block V8 454 Marine Engine QUESTION: I have a 1993 ( I believe ) mercruiser 454 serial #4501880 need more information as to what engine I exactly have, I just blew a hole in the crank case! Thank you. Alain. RESPONSE: Mercruiser did in fact produce a variety of […]

TOPIC: Corsa Captain’s call Thru Hull Exhaust Systems QUESTION: Please can you price me a corsa exhaust kit with switchable captains call silent mode for my 1999 searay 230 over nighter fitted with a mercruiser 5.0 l efi with a alpha 1 gen 2 stern drive. I would like side exit system and not the […]

Customer Question: I am in the market loking to replace the correct GM replacement engine for a 1986 Sea Ray Seville fitted with the 140 HP Mercruiser 3.0L Marine Engine equipped with power steering. HULL # SERV373xxxxx Engine # A618xxx Transom # A669xxx Thanks- Kevin PPT Response: No problem Kevin thanks for the opportunity. Remanufactured 3.0L […]

Customer Question: Hi 4.3 1997 Mercruiser GM, is 864309T02 a suitable replacement dry joint alternative. Please quote shipping to Sydney Australia 2234. Many thanks Kyle. PPT Response: Mercruiser offers a variety of different Marine Exhaust Systems including the Dry Joint Exhaust System for which there are in fact 2 different designs. Using the links below you […]