Categories
Recently viewed products
Popular tags
View all

Alpha 4

Best Holiday wishes from the crew at BAM Marine!

We are closed until Monday Jan 5th, 2026

Orders placed now will be processed when we return

See more details about our holiday schedule here

As always online ordering is available 24/7!

We wish you and yours health and happiness this holiday season! Thank you.

 

 

 

Mercury Alpha 4 - 4 blade prop made from patented Mercalloy aluminum. Choose your pitch. Mercury has discontinued the production of this propeller. For a replacement to the Alpha 4 see the SpitFire X7 propeller. Spitfire comes in RH only (standard rotation)
Manufacturer part number: 834850A45 to 834855A45
*

Diameter x Pitch

*
Shipping specs, pounds and inches
MSRP: $230.24
$207.57

Recommended forInline 4, V-6, or V-8 gas sterndrives

Fits: Alpha drives, Bravo drives and Outboards 135 hp and above

The Alpha 4 is being discontinued.Mercury recommends the 4-blade SpitFire propeller as the aluminumoption for 90 CT - 150 outboards and Sterndrive applications. Whentransitioning to a SpitFire, increase 1" of pitch from the Alpha 4.

The Spitfire comes in RH (right hand, standard) rotation only.

Recommended forInline 4, V-6, or V-8 gas sterndrives

Fits: Alpha drives, Bravo drives and Outboards 135 hp and above

The Alpha 4 is being discontinued.Mercury recommends the 4-blade SpitFire propeller as the aluminumoption for 90 CT - 150 outboards and Sterndrive applications. Whentransitioning to a SpitFire, increase 1" of pitch from the Alpha 4.

The Spitfire comes in RH (right hand, standard) rotation only.

Related products
Bar codes for Mercury Marine part number 852364A1

Mercury-Mercruiser 852364A1 FLO-TORQ II KIT

$0.00
Mercury-Mercruiser 852364A1 FLO-TORQ II KIT has been superceded to a new part number.
The newest part number is 8M0119081 -click here- to see the newest superceded part
Please note the new superceded part is a functional replacement and may look differant from the original part
Mercury-Mercruiser 48-834854A45 Alpha 4 14 X 20 Pitch Aluminum Prop for sale

Mercury-Mercruiser 48-834854A45 ALPH4 14R20

$0.00
48-834854A45 ALPH4 14R20 is no longer made and is no longer available
Genuine OEM Mercury Marine part number 8M0055550

Mercury-Mercruiser 48-8M0055550 Has been replaced

$0.00
48-8M0055550 ORD 48-8M0151363 has been superseded to a new part number.
The newest part number is 8M0151363 -click here- to see the newest superseded part
Please note the new superseded part is a functional replacement and may look different from the original part