3857471 Aftermarket Volvo Penta Trimming Cylinder SX-MLT, MACLT | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Volvo Penta SX-MLT / SX-MACLT Port Trim Cylinder - Part Number: 3857471

A complete port-side hydraulic trim cylinder for Volvo Penta SX-MLT and SX-MACLT transom-shield assemblies. It is the side-specific companion to the 3857470 cylinder and can be serviced with the 3854247 seal kit when the bore, rod and mounting structure remain usable.

⚙️ Key Features

• Complete port-side trim-cylinder assembly

• Specific fitment for SX-MLT and SX-MACLT

• Uses pivot pin 3857431 and the related SX-M mounting hardware

• Serviceable with seal kit 3854247 / PM3854247

• Maintains the matched dual-cylinder support required by the SX-M trim system

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 3857471 → Current confirmed port-cylinder reference for SX-MLT / SX-MACLT

• 3854247 / 985060 → Related one-cylinder reseal kit

OEM / Related Numbers:

• 3857471

• 03857471

• 3857470

• 3857431

• 3854247

• 985060

• PMKITSX

Aftermarket / Verified Equivalents:

• Poseidon Marine seal/cap repair system: PM3854247 / PMKITSX

• No confirmed other-brand complete-cylinder number beyond direct 3857471 replacements

🚤 Compatibility

Commonly used on:

• Volvo Penta SX-M long-transom trim systems

Typically suits:

• Engine / drive models:

• TSK SX-MLT

• TSK SX-MACLT

• Related SX-M installations only where the parts diagram assigns 3857471 to the port side

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

• Engine / Drive Type: Port-side hydraulic sterndrive trim cylinder

• Year Range: Approximately 1994-2006

• Serial / Identification Range: Confirm the SX-MLT or SX-MACLT model code and port-side cylinder arrangement. Do not substitute the opposite-side cylinder solely by appearance.

🔌 Function

Applies hydraulic force on the port side of the sterndrive to raise, lower and hold the drive while sharing load with the companion cylinder.

Common signs of failure or replacement requirement:

• Port-side hydraulic leakage

• Uneven or twisting drive movement

• Drive settles under load

• Scored or corroded piston rod

• Cracked eye, worn pivot bore or internal bypass leakage

📦 Condition

• Brand-new aftermarket replacement part

• Supplied as a new replacement component

• Supplied in suitable retail or equivalent packaging