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MerCruiser Bravo Four S 1.81:1 53300004P — sterndrive drive unit
MerCruiser Bravo Four S 1.81:1 53300004P — sterndrive drive unit — view 2MerCruiser Bravo Four S 1.81:1 53300004P — sterndrive drive unit — view 3MerCruiser Bravo Four S 1.81:1 53300004P — sterndrive drive unit — view 4MerCruiser Bravo Four S 1.81:1 53300004P — sterndrive drive unit — view 5MerCruiser Bravo Four S 1.81:1 53300004P — sterndrive drive unit — view 6MerCruiser Bravo Four S 1.81:1 53300004P — sterndrive drive unit — view 7

MerCruiser Bravo Four S 1.81:1

1.81:1Dual Prop Contra-rotating
$15,161

The MerCruiser Bravo Four S 1.81:1 is a genuine sterndrive drive unit available and serviced at Gearhead Marine in Riverside, CA. Key specs: Bravo Four S drive, 1.81:1 gear ratio. Priced at $15,161; our certified technicians confirm fitment before you buy. Call or text (951) 299-8024 and reference part 53300004P for pricing, availability and additional photos.

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Call before purchasing. Call/text for more photos.
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 Number53300004P
Drive TypeBravo Four S
Gear Ratio1.81:1

Parts for This Drive

Look up any part for this drive 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 Bravo Four S 1.81:1 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 Bravo Four S 1.81:1?

This unit is priced at $15,161. 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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