PowerTech BRO4 Propeller 90-300 HP Mercury

New PowerTech BRO4

PowerTech BRO4 Stainless Propellers for 90-300 HP Mercury Outboards and Alpha/Bravo-1 Stern-drives.

The newest high-performance Powertech BRO4 propeller adds more options and value to the popular 4 blade Mercury Bravo 1 line. Introducing the all new Powertech BRO4! This is an equivalent prop to the Mercury Bravo I propeller. Currently offered in 15.25” diameter and 19 thru 32 pitch with many more to come! Square hub cavity propeller for use with Mercury flo torq, Michigan XHS or Solas rubex hub systems. They are field replaceable for quick repairs or interchangeable between different motor manufactures.

Boat types: Bass, Bay, Flats, Center Console, Inshore Fishing, Offshore fishing, Sports V Bottom

15 Tooth Spline ~ 4-3/4" Gearcase

Factory Cast Portholes @ 0.710"

Powertech Hub Kit KT-102B or Flo-Torq SSR Solid Propeller Hub Kit 8M0101604 (Not Included)

The BRV has a 30-degree rake vs the BRO 27-degree rake to increase stern lift.

Learn about Mercury PVC Vent Plugs 5-Pack

90-115 HP Command Thrust 2014 & Newer
135 HP 1987 & Newer 
150 HP 1978 & Newer
175 HP 1978 & Newer
200 HP 1978 & Newer
220 HP1987-1988
225 HP 1980 & Newer
225 HP (Sea Pro/Marathon) All Years
250 HP 1994 & Newer
275 HP 1990-1994
300 HP 1999 & Newer
Mercruiser Alpha & Bravo 1 Sterndrives

USE F-Class 19 Spline Propellers for fitments below:

PRO XS 175 V6
PRO XS 200 V8
PRO XS 225 V8
PRO XS 250 V8
PRO XS 300 V8

VERADO 250/300 V8
VERADO 350/400 L6 THRU 2023

MERCURY BRAVO 1 XR
MERCURY BRAVO 1 XR SPORT
MERCURY RACING SPORT


NOTE: If you are not satisfied with your purchase within the first 30 days, we will exchange your propeller for a different pitch for a nominal fee.

Powertech Return / Exchange Policy


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  • Product Code: BRO4-MS275
  • Availability: 6
  • $659.00

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