863817R 5 - LB 496HO-RM 01-UP QPD=NO - Replaced by -8M0086001

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Part Number
863817R 5

Mercury Quicksilver

Long Block Assembly Remanufactured Pro-Series
GM 8.1 Liter 496 V/8 Block (Left-Hand Standard Rotation)

This longblock assembly includes new pistons, rings, bearings, marine gaskets, high-volume oil pump, stainless steel valves, heavy-duty valve springs, valve-keys, water-pump and marine block plugs. The cylinders are freshly bored & honed. Crankshaft is ground and polished. Roller cam, roller lifters, and connecting rods are fully re-conditioned. To save change-out time we also include the valve-covers, front timing cover, oil-pan, oil-filter, break-in oil, hot testing, factory painted, and strapped firmly in our heavy-duty returnable container, and a core-return sheet with directions for the return trip!

NOW AVAILABLE: Up to an additional two years of Major Assembly Protection (MAP) on select new or remanufactured longblock engine assemblies. MAP Coverage follows the factory provided one-year warranty period from date of purchase. Call Mercury Product Protection toll free at 866-521-2024 for program details. Replaces 2001-2003 GM 496-Magnum H.O. (High-Out) sn: 0M025000 and up. Also replaces 2001-2003 GM 8.1S Horizon H.O. (High-Output) sn: 0M026000 and up.

[2007 - Core Deposit $ 1500, Container $ 175, Bounty: $ 400 ]
To receive $ 175 for the container and up to $ 1500 core deposit refund, simply insert a copy of the dealerships original purchase invoice and the old longblock into the container and send it back. Shipping instructions to cover the freight charges are included.
Warranty (PDF)
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Mercury Marine produces the Quicksilver line of parts. Quicksilver parts are made for use on Mercury, Mariner, MerCruiser & Force engines. In addition, they cover many applications by the following engine manufacturers: Chris-Craft, Chrysler, Crusader, Evinrude, Johnson, Honda, OMC, PCM, Suzuki, Volvo Penta, & Yamaha.