3857523 Aftermarket Bombardier Hydraulic Hose SX, MDA, MLT | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket OMC / Volvo Penta Port Lower Trim Hose - Part Number: 3857523

A high-pressure hydraulic oil line connecting the trim manifold to the lower port on the port-side cylinder of compatible OMC Cobra and Volvo Penta SX-M systems. It is formed and terminated for the port-down routing used on the listed transom-shield variants.

⚙️ Key Features

• Port-cylinder lower/down hydraulic hose

• Direct replacement for OMC/Volvo Penta 3857523

• Preformed fittings suit the factory SX-M/Cobra routing

• Uses trim-line O-rings 3852165 at the hydraulic connections

• Designed for high-pressure bidirectional trim-system service

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 3857523 → Current confirmed port-down oil-line reference

• No later Volvo Penta supersession has been confirmed

OEM / Related Numbers:

• 3857523

• 03857523

• REC3857523

• RM3857523

• WA3857523

• 3852165

• 9-71605

Aftermarket / Verified Equivalents:

• Recmar: REC3857523

• Repower Marine: RM3857523

• Mallory Marine: 9-71605

• Kacawa / WA Marine: WA3857523

🚤 Compatibility

Commonly used on:

• OMC Cobra and Volvo Penta SX-M hydraulic trim systems

• Port trim cylinder lower connection

Typically suits:

• Engine / drive models:

• TSK SX-M, SX-MACLT, SX-MBAC, SX-MDA, SX-MDB, SX-MDC, SX-MHP and SX-MLT

• SX-C, SX-R, SX-S and DP-SM systems using the 3885196 conversion/service arrangement

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

• Engine / Drive Type: High-pressure hydraulic trim hose - port cylinder, lower/down circuit

• Year Range: Approximately 1994-2006; OMC/Volvo Cobra applications commonly 1994 onward

• Serial / Identification Range: Confirm hose position by tracing the port-cylinder lower connection. Match the fitting angles and original 3857523 number.

🔌 Function

Carries pressurised trim fluid between the manifold and port cylinder so the cylinder can extend or retract in response to pump direction.

Common signs of failure or replacement requirement:

• Visible oil seepage at the crimp or fitting

• Cracked, chafed or swollen hose covering

• Air entering the trim system

• Slow or uneven port-cylinder movement

• Repeated fluid loss or drive settling

📦 Condition

• Brand-new aftermarket replacement part

• Supplied as a new replacement component

• Supplied in suitable retail or equivalent packaging