14034A3 Aftermarket Mercruiser Trim Cylinder Starboard | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket replacement Starboard Power Trim Cylinder - Replaces Part Number: 14034A3

New aftermarket starboard trim cylinder replacing MerCruiser 14034A3 for R, MR and Alpha One drives. The cylinder tube is approximately 411mm/16-3/16 inches long.

⚙️ Key Features

• Starboard-side trim cylinder

• Approximately 411mm / 16-3/16-inch tube length

• Correct hose-port orientation for the starboard side

• Direct fit to R, MR and Alpha One anchor pins

• Supplied as a complete hydraulic cylinder assembly

🧰 Kit / Assembly Contents

• 1 × Complete starboard trim cylinder - P/N 14034A3

• 1 × Installed piston rod, piston and gland assembly

• Port fittings and internal seals - supplied within the assembled cylinder

• Anchor-pin hardware and hydraulic hoses are serviced separately

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M0118961 → Supersedes 8M0108284, 14034T, 14034F1, 14034A5 and 14034A3

OEM / Related Numbers:

• 8M0118961

• 8M0108284

• 14034T

• 14034F1

• 14034A5

Aftermarket / Verified Equivalents:

• Sierra: 18-2420

• GLM: 26500

• Recmar: REC14034A3

🚤 Compatibility

Commonly used on:

• MerCruiser R, MR and Alpha One dual trim-cylinder systems

Typically suits:

• Engine / Drive models:

• R drive

• MR drive

• Alpha One Gen I, 1983-1990

• HP / Drive Range: Drive and engine rating dependent

• System Type: MerCruiser dual hydraulic trim-cylinder system

• Year Range: 1983 - 1990 on the principal application family

• Serial / Component Identification: Confirm starboard hose-port orientation and 411mm tube length.

🔌 Function

The hydraulic trim cylinder converts pump pressure into linear movement to raise, lower and hold the sterndrive at the selected trim angle.

Common signs of failure / service requirement:

• Drive drifts down after trimming

• Hydraulic fluid leaks from the rod seal or hose ports

• Cylinder rod is bent, pitted or corroded

• Trim movement is uneven between port and starboard cylinders

• Cylinder binds or cannot complete its travel

📦 Condition

• New aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging