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In-Store Pickup Location

First Mate Marine Long Block Crate Engines FO351LA

Crate Engine, Marine, Long Block, Assembled, Standard Rotation, Ford, 351W, Each

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  • This part is normally shipped directly from the manufacturer / Supplier.

  • This part is shipped via truck freight, additional shipping charges will apply. Multiple truck freight parts on an order may increase the shipping amount.

Brand: First Mate Marine

Manufacturer's Part Number: FO351LA

Part Type: Crate Engines

Product Line: First Mate Marine Long Block Crate Engines

Summit Racing Part Number: FMM-FO351LA

Actual Engine Displacement: 5.8L/351

Engine Assembly Style: Long block

Crate Engine Cylinder Head Material: Cast iron

Assembled: Yes

Engine Balance: External, 28 oz. imbalance

Cam Style: Hydraulic flat tappet

Rear Main Seal Style: 2-piece

Intake Manifold Included: No

Cylinder Heads Included: Yes

Carburetor Included: No

Throttle Body Included: No

Distributor Included: No

Oil Pan Included: No

Valve Covers Included: No

Timing Cover Included: No

Water Pump Included: No

Harmonic Balancer Included: No

Flexplate Included: No

Flywheel Included: No

Air Cleaner Included: No

Spark Plugs Included: No

Spark Plug Wires Included: No

Computer Included: No

Wiring Harness Included: No

Quantity: Sold individually.

Notes: Standard rotation, designed to replace 235 & 250 HP Marine models with dipstick in the oil pan or front cover. Engine block casting numbers D4AE-AA, D4AE-DA, D9AE-ED or E4AE.

In-Store Pickup: Choose In-store pick-up (OH, NV, GA, TX) on our web site.

Calculator CFM Calculator

Put a new powerplant in your boat with First Mate marine long block crate engines. They feature all-new components for reliability and performance.

First Mate marine long block crate engines include:

* Resurfaced engine block, bored and honed
* Reconditioned crankshaft and connecting rods
* New pistons and piston rings
* Marine camshaft and lifter kit
* Brass freeze plugs
* Main, rod, and cam bearings
* Resurfaced cast iron cylinder heads with three angle valve job, reconditioned valve guides, and new valve springs
* Specialized marine gasket set
* New heavy-duty timing chain and gear set
* New oil pump

Questions & Answers Ask a Product Question

where are the numbers stamped on the block to identify it?

Asked by KEVIN on June 26, 2017


Kevin, the engine block casting is located on the passenger side of the engine block by the #4 cylinder and the head casting number will be located on the deck side by the intake.

First Mate Marine First Mate Marine Answer - October 25, 2018

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I have a 1993 Mastercraft using a 285HP HO 351W. Will this engine be a direct replacement? Also, the engine turns clockwise when viewed from the front. Is this standard or reverse rotation? Thanks

Asked by PAUL on August 29, 2017


Thank you for your question. The First Mate Marine FO351LA crate engine is standard (clockwise) rotation. Rotation is determined by looking at the front of the engine. This engine will bolt in your 1993 Mastercraft, but this is a replacement for the lower 235 and 250 horsepower applications. Unfortunately, we do not offer a replacement for the 285 horsepower engine at this time.

Summit RacingSummit Racing Answer - September 18, 2017

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I have a 1972 302 block in my boat now. Will the intake, exhaust and rear end end hook up to my existing equip.

Asked by JERRY on March 07, 2016


Intake manifold will not as 351w / 5.8 litre is wider . Exhaust logs, engine mounts and intermediate housing for 302 will all bolt up. It's a fairly simple swap and I've done it more then a few times having spent 23 years in the industry

JACK from CA answered on March 12, 2016

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+See All Questions (3)

Some parts are not legal for use in California or other states with similar laws / regulations

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