Mercruiser Bellows Alpha One Bravo

Bellows MerCruiser Alpha One & Bravo

Genuine replacement part. Shift cable boot fits all MerCruiser drives with shift cable from 1963 onwards. Including Alpha One and Bravo drives (all generations).

The bellows should be replaced at regular intervals to prevent water ingress.

OEM number: 74639Q02
Previous OEM numbers: 74639A2, 74639, 31659

Fits the following towbars (according to serial number):

TR / TRS

• TR/TRS 1977–1993 (all)

Alpha One

• Alpha One (Gen I) 1983–1990 (all)

• Alpha One (Gen II) 1991–1995: 0D469859–0F679999

• Alpha One (Gen II) 1996–1997: 0F680000 – OK999999

• Alpha One (Gen II) 1998 > : 0L100040 >

Bravo One

• 0B664190 – 0F729999

• 0F730000 – 0M100000

• 0M100001 – 0W249999

• 0W250000 >

Bravo Two

• 0B664190 – 0F729999

• 0F730000 – 0M100000

• 0M100001 – 0W249999

• 0W250000 >

Bravo Three

• 0B664190 – 0F729999

• 0F730000 – 0M100000

• 0M100001 – 0W249999

• 0W250000 >

Other Bravo models

• Bravo X Four S: 0W250000 >

• Bravo X One: 0M100001 – 0W249999

• Bravo X Two: 0M100001 – 0W249999

• Bravo X Three: 0M100001 – 0W249999

• Bravo XR One: 0L914990 – 0W239999

• Bravo XR One: 0W240000 >

• Bravo XR Sport: 0M970842 >

• Bravo XR Sportmaster: 0M052945 – 0M906877

• Bravo XR Sportmaster: 0M906878 >

• Bravo XR Three: 0W240000 >

• Bravo XR Three: 0W250000 >

• Bravo XZ One: 0L914990 – 0M999999