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MerCruiser 4.5L 200 A EO 40450085U — MerCruiser sterndrive engine

MerCruiser 4.5L 200 A EO

200 HP4.5L V8
$12,850

The MerCruiser 4.5L 200 A EO delivers 200 HP of genuine Mercury power as a MerCruiser sterndrive engine, available and serviced at Gearhead Marine in Riverside, CA. Key specs: Alpha drive, RWC cooling, Mechanical shift. Priced at $12,850; our certified technicians confirm fitment before you buy. Call or text (951) 299-8024 and reference part 40450085U for pricing, availability and additional photos.

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Shipping is not included. Freight is quoted per engine and depends on your location and how the unit is crated, so it cannot be priced online. Call (951) 299-8024 for a shipping quote before you buy.

Full Specifications

Part Number40450085U
Horsepower200 HP
Engine4.5L
Drive TypeAlpha
Riser Height0"
Cooling TypeRWC
Corrosion ProtectionStandard
Shift TypeMechanical

Service & Reference — 4.5L

Mercury service reference diagrams for the 4.5L engine family — cooling, drain and service-point locations. These are reference illustrations to help you identify service points, not photographs of this specific unit. Call (951) 299-8024 to confirm anything before you buy.

4.5L raw-water-cooled engine cutaway
4.5L raw-water-cooled engine cutaway

Parts for This Engine

Look up any part for this engine in Mercury’s official Electronic Parts Catalog — exploded diagrams with genuine Mercury part numbers. Search by your serial number to get the exact catalog for your unit.

Found your part number? Call (951) 299-8024 and we’ll get it for you.

Open Mercury Parts Catalog →

Opens Mercury’s catalog in a new tab. Gearhead Marine is an independent authorized dealer; the catalog is operated by Mercury Marine.

Frequently Asked Questions

Is the MerCruiser 4.5L 200 A EO in stock?

Inventory moves quickly — call or text (951) 299-8024 to confirm current availability and lead time before you buy.

How much is the MerCruiser 4.5L 200 A EO?

This unit is priced at $12,850. Call (951) 299-8024 for the latest pricing, rigging and installation quote.

Do you install and rig this?

Yes — Gearhead Marine fully rigs and installs in Riverside, CA, with mobile service available.

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