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Trim Hoses

Pre-Alpha and Alpha One Trim Cylinder Assemblies

Before you order your Alpha One trim hoses, you will need
to read the casting number on the side of your cylinder housings.
The casting number is on the inward side so you will need to remove
the cylinders from the drive unit to read the number.

Early trim cylinders were narrow and they had knurled end caps.
These were typical for 1981 units and older.
Both the port and starboard cylinders were identical and
all four of the trim hoses were the same length.
Old Style cylinders used Hi-Pressure-Low Volume trim pumps.

99904Q Fits R, MR, Alpha One, Gen II and Bravo I, II, III, X, XR and XZ $45.00 This is the UP hose for Alpha One, Gen II and Bravo units. This is the common short hose.

Alpha One and Alpha Gen II trim DOWN hoses

The following hoses must be ordered by casting number or length.
Mercruiser has changed the original part numbers as listed below:

864588 Port Down Hose was 32-99903 (fits casting 98703)
864589 Stb. Down Hose was 32-99902 (fits casting 98704)

864959 Port Down Hose was 32-99903--1 (fits casting 14035 and Gen II)
864960 Stb. Down Hose was 32-99902--1 (fits casting 14034 and Gen II)

Note: Gen II Cylinder Housings do not have casting numbers.

864588 Port Down Hose was 32-99903 (fits casting 98703) $52.00

864589 Stb. Down Hose was 32-99902 (fits casting 98704) $52.00

864959 Port Down Hose was 32-99903--1 (fits casting 14035 and Gen II) $52.00

864960 Stb. Down Hose was 32-99902--1 (fits casting 14034 and Gen II) $52.00

Click Here for   Mercruiser Trim Cylinders

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