3857524 Aftermarket Volvo Penta Hydraulic Hose SX, SXM, MAC | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket OMC / Volvo Penta Starboard Lower Trim Hose - Part Number: 3857524

A formed high-pressure hydraulic hose running from the trim manifold to the lower connection on the starboard trim cylinder. It is the starboard-down line used on compatible SX-M/Cobra transom assemblies and is paired with the matching upper starboard line in the complete trim circuit.

⚙️ Key Features

• Starboard-cylinder lower/down hydraulic hose

• Direct replacement for Volvo Penta/OMC 3857524

• Factory-style formed routing and end fittings

• Requires serviceable connection O-rings, normally 3852165

• Suitable for original systems and complete cylinder kit 3885196

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 3857524 → Current confirmed starboard-down oil-line reference

• No later Volvo Penta supersession has been confirmed

OEM / Related Numbers:

• 3857524

• 03857524

• REC3857524

• RM3857524

• WA3857524

• 3852165

Aftermarket / Verified Equivalents:

• Recmar: REC3857524

• Repower Marine: RM3857524

• Kacawa / WA Marine: WA3857524

🚤 Compatibility

Commonly used on:

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

• Starboard trim cylinder lower connection

Typically suits:

• Engine / drive models:

• SX-M, SX-MAC, SX-MACLT, SX-MDA, SX-MDB and SX-MLT transom assemblies

• Related SX-MBAC, SX-MDC and SX-MHP arrangements where the diagram specifies 3857524

• DP-SM and converted earlier SX systems using kit 3885196

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

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

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

• Serial / Identification Range: Confirm the starboard lower hose position and the original 3857524 number. Similar upper and port hoses are routed differently.

🔌 Function

Transfers pressurised hydraulic fluid between the manifold and starboard trim cylinder to extend or retract the ram.

Common signs of failure or replacement requirement:

• Hydraulic fluid around the hose or fittings

• Abrasion, cracking or corrosion at the crimp

• Slow or uneven starboard-cylinder movement

• Air bubbles or foaming in the reservoir

• Drive settles or requires frequent fluid top-up

📦 Condition

• Brand-new aftermarket replacement part

• Supplied as a new replacement component

• Supplied in suitable retail or equivalent packaging