Indmar 6.0L LQ4 Marine Engine

Remanufactured Engine
SKU
lq4enginebuild
Call Image
Call 1-800-918-3118 For Quote

New Remanufactured Engine Long Block


Aerohill Rebuilt Engines

Engine Specifications

Block Casting 12551364, 12577184)
Right head casting 12562317, 12572035
Left head casting 12562317, 12572035
Crank casting 12552216
Casting location Rear Of Block, Top Of The Trans Mount
Special notes OHV 16 Valve, Cast Iron Block, Aluminum Heads, V8
V8. VIN U. Lq-4 Engine Family. Block #12551364, Aluminum Head #12562317, 12572035, Crank #216 With .857 Thick Rear Crank Flange. 16 Valve. OHV.
Crank End Flange 0.857". Non D.O.D.
**** Forward Drive Cab Trucks Use A Different Oil
Pick-Up Than We Provide With Engine ****
N/A

We at Aerohill Engines can rebuild your 6.0 V8 Engine. We understand that when your boat isn't on the water in a timely manner it can be a frustrating experience, so to get you on the water faster we offer engine installation and removal at our facility in Concord, Ontario located on the border of Toronto. Our express engine installation service is especially suited to our short summers with most installations only taking 5-7 business days.

If your engine is frozen we may still be able to help, call us for more information on that service.

Engine Remanufacturing Procedure

There are many steps involved in remanufacturing an engine. Our extensive process ensures that no part is left to chance. We will never just remanufacture the top or bottom of an engine and put our name on it.


    • Disassembly of the engine
    • Manual scrubbing of heavy debris
    • Engine degreasing
    • Hot akaline spray jet cleaning
    • Pnuematic wire brushing
    • Ultrasonic cleaning
    • Removal of broken studs
    • Measuring all the various sizes of the components to manufacturer specifications
    • Machining of cylinder bore to accept new pistons
    • Check for warpage with straight edge
    • Milling cylinder head surface
    • Cutting valve seats
    • Gnurling valve guides
    • Machining valve surfaces or replacement
    • Testing valve spring resistance
    • Magnaflux cylinder heads for crack detection
    • Adjust valve clearance
    • Assemble cylinder head
    • Machine crankshaft to accept new bearings
    • Assemble engine with all new pistons, piston rings, rod bearings, main bearings, oil pump, timing kit, balance shaft bearings, valvetrain components, lifters, gaskets etc.
    • Spin test engine
    • Tape all ports and package engine in a corrosion inhibiting bag



Fits most Indmar applications, HP may vary due to due calibration.

If you need help with your selection call us at 1-800-918-3118