98704A3 Aftermarket Mercruiser Trim Cylinder Starboard | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket MerCruiser R/MR/Alpha One Complete Starboard Trim Cylinder - Part Number: 98704A3

Complete starboard hydraulic trim-ram assembly with approximately 15-9/16 in / 395 mm tube length. It provides the side-specific hose-port orientation used on the supported MerCruiser R/MR/Alpha One system.

⚙️ Key Features

• Starboard-side complete hydraulic cylinder

• Approximately 15-9/16 in / 395 mm cylinder tube

• Installed rod, piston, end cap and internal seals

• Correct side-specific external hose ports

• Hoses and anchor pins are serviced separately

📋 Kit / Assembly Contents

• 1 × Complete starboard cylinder body/tube - 98704A3

• 1 × Installed piston rod and piston assembly - supplied within cylinder

• 1 × Installed gland/end-cap and seal package - supplied within cylinder

• Hydraulic hoses and anchor-pin hardware - serviced separately

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 98704A10 / 98704T → Later/related starboard cylinder service reference

• 98704A3 → Earlier/base complete-cylinder reference

OEM / Related Numbers:

• 98704A3

• 98704A10 / 98704T

• REC98704A3

• 88035 end cap for 98703A3/98704A3 family

• 87399A3/associated overhaul kit family

Aftermarket / Verified Equivalents:

• Recmar: REC98704A3

• GLM: 26400

• SEI/Automotive Authority complete cylinder assemblies for the matching side and family

🚤 Compatibility

Commonly used on:

• MerCruiser R/MR/Alpha One dual trim-cylinder systems

Typically suits:

• Engine / drive models:

• R and MR drives

• Alpha One Gen I 1983-1990

• Selected early Bravo service diagrams retaining 98704A3

• HP Range: Drive application; not engine-horsepower specific

• Engine / Drive Type: Starboard-side external-hose hydraulic trim cylinder

• Year Range: Approximately 1982 onward, drive-family dependent

• Serial / Identification Range: Confirm starboard side, 15-9/16 in / 395 mm tube length, casting number, hose-port position and drive serial. The 411 mm 14034/14035 cylinders are different.

🔌 Function

Converts hydraulic pressure into linear force to trim and tilt the sterndrive while holding it at the selected angle.

Common signs of failure or replacement requirement:

• Drive drifts down

• Fluid leaks at rod seal or hose ports

• Pitted/bent piston rod

• Uneven movement between cylinders

• Cylinder binds or cannot complete travel

📦 Condition

• Brand-new aftermarket replacement part

• Supplied as a new replacement component

• Supplied in suitable retail or equivalent packaging