When ready to install the rubber front oil pan seal you'll need to trim the tabs at each end, and use a small bead of rtv at the corners where oil pan meets the block, and install cover, I did this with a 3.O merc I had in my last boat, took about 4 hours and never had any oil leaks. Alternator For Mercruiser Model 5.7L EFI Alpha/Bravo 7.4LX Bravo 400-46029. Replacement parts for GM, AC Delco, Mercruiser, Mercury, Volvo, Indmar, OEM, PCM, and more.

If you have recently discovered a leak from under the front of your GM 4 cyl Mercruiser, Volvo Penta. See more OEM MerCruiser Timing Chain Cover Steel 3.0 3. Quick View Add to cart 5.7L Timing Cover ( Camshaft Sensor Provision ) 804016 115.99 144.99 Quick View Add to cart Timing Covers Timing Covers for marine inboard engines. I looked up part and was only 75.00 and that beats the 220.00 for a mercruiser part. Mercruiser 3.0 liter / litre timing cover replacement. When its time to install new timing cover, you can replace it with one for a SBC from your local auto parts store, don't forget to replace the front seal also. bsmonster said: I read in a older fourm that GM part 3992251 would work for my 1989 mercruiser 3.0 L timing cover replacement. New EngineQuest Timing chain cover for 4 cylinder Chevy based 181 3.0L and 2.5L engines Fits: 153/2.5L All 181/3.0L 1963-1989 Does not include gaskets or. If you loosen the first two or three oil pan bolts from front to rear, the pan will give enough to get the cover out, At this time you may want to also replace the timing gears, this motor is direct geared timing (no chain) if they are knocking its time to replace, which will require removel of pushrod and lifters in order to remove camshaft to have new gear pressed on. Re: 1999 Mercruiser 3.0 Timing Cover Oil LeakĬj You can change the timing cover without removing the engine, but first you need to support the engine with a hoist or somthing, because the front engine mount will need to be removed, and be sure there is enough space to pull the harmonic balancer before you start.

Mercruiser 3.0 timing cover