Mercruiser 4.3 Replacement

Mike Y · 03-21-2009, 05:44 PM

I'm about to replace my starter on a mercruiser 4.3 liter, raw water cooled, carbureted, w/Alpha drive. The starter went out last year and it has been sitting since. The engine needed to be replaced 2 or so years ago but just kept running until the starter finally died (maybe she'll make another cobia season). I am liberally giving it a 50/50 chance of starting after gas replacement and starter replacement. I'm wondering what to expect to pay for removal of current engine and a complete engine replacement. The drive is in great shape so it will not be replaced. Anyone recently replaced a 4.3?

Thanks

Tuna Man · 03-21-2009, 06:38 PM

Can't help you on a 4.3 but on a 5.7 I can. There are things to consider about removal, and cost, one of which is, does the engine mount below deck or under a removable dog house. I can't remove my 5.7 (sits below deck) without removing the exhaust manifolds first. I can have mine ready for removal in about a hour to hour and a half.

Mike Y · 03-21-2009, 06:59 PM

The engine sits half below deck and has a dog house. It will probably come out with the manifolds intact. The back portion is pretty tight and starter replacement will be done with one handed by feel, not gonna be fun.

DOUBLE "D" & LV · 03-21-2009, 08:11 PM

PM sent

03-21-2009, 05:44 PM	#1
Mike Y Junior Member Cigar Minnow Join Date: Feb 2009 Posts: 20	Mercruiser 4.3 Replacement I'm about to replace my starter on a mercruiser 4.3 liter, raw water cooled, carbureted, w/Alpha drive. The starter went out last year and it has been sitting since. The engine needed to be replaced 2 or so years ago but just kept running until the starter finally died (maybe she'll make another cobia season). I am liberally giving it a 50/50 chance of starting after gas replacement and starter replacement. I'm wondering what to expect to pay for removal of current engine and a complete engine replacement. The drive is in great shape so it will not be replaced. Anyone recently replaced a 4.3? Thanks

03-21-2009, 06:38 PM	#2
Tuna Man Senior Member Grand Slam Join Date: Oct 2007 Location: Calera, AL....25 Miles S of Birmingham Posts: 6,584	RE: Mercruiser 4.3 Replacement Can't help you on a 4.3 but on a 5.7 I can. There are things to consider about removal, and cost, one of which is, does the engine mount below deck or under a removable dog house. I can't remove my 5.7 (sits below deck) without removing the exhaust manifolds first. I can have mine ready for removal in about a hour to hour and a half.

03-21-2009, 06:59 PM	#3
Mike Y Junior Member Cigar Minnow Join Date: Feb 2009 Posts: 20	RE: Mercruiser 4.3 Replacement The engine sits half below deck and has a dog house. It will probably come out with the manifolds intact. The back portion is pretty tight and starter replacement will be done with one handed by feel, not gonna be fun.

03-21-2009, 08:11 PM	#4
DOUBLE "D" & LV Senior Member Grouper Join Date: Oct 2007 Location: pensacola Posts: 1,023	RE: Mercruiser 4.3 Replacement PM sent __________________ ___________________________________________ Davlor Marine, LLC 850-777-7303 davlormarine@hotmail.com www.davlormarine.webs.com

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