3857470 Aftermarket Bombardier/Volvo Penta Trim Piston | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket BRP / OMC / Volvo Penta SX-M / DP-SM Hydraulic Trim Cylinder - Part Number: 3857470

A complete hydraulic trim-ram/cylinder assembly for compatible OMC Cobra and Volvo Penta SX-M/DP-SM systems. It replaces the damaged cylinder body, rod, piston and internal sealing assembly as one unit and is the principal cylinder supplied in Volvo Penta service kit 3885196.

⚙️ Key Features

• Complete hydraulic trim-cylinder assembly

• Longitudinal-rib service design used in the later SX-M/DP-SM system

• Compatible with pivot pin 3857431 and seal kit 3854247

• One of two cylinders used to support and trim the sterndrive

• Suitable where the original rod or cylinder bore is damaged beyond economical resealing

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 3857470 → Service cylinder used in complete replacement kit 3885196

• 3885196 → Replaces earlier complete cylinder arrangements 3852414, 3850683 and 3852392

• 0984466 / 0985660 → Earlier first-generation cylinder references replaced through the complete kit

OEM / Related Numbers:

• 3857470

• 03857470

• 3885196

• 3852414

• 3850683

• 3852392

• 0984466

• 0985660

• 3854247

• FSM076

Aftermarket / Verified Equivalents:

• Recmar / aftermarket complete cylinder: REC3857470 / RM3857470

• Five Star Marine: FSM076 replacement trim rod for repairable 3857470 cylinders

🚤 Compatibility

Commonly used on:

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

• Volvo Penta DP-SM dual-prop trim systems

Typically suits:

• Engine / drive models:

• SX-C, SX-R and SX-S drives converted with complete kit 3885196

• SX-M and DP-SM assemblies specifying cylinder 3857470

• SX-MLT and SX-MACLT systems where the model-specific diagram identifies 3857470 on the applicable side

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

• Engine / Drive Type: Hydraulic sterndrive trim ram/cylinder

• Year Range: Approximately 1994-2006

• Serial / Identification Range: Confirm the drive model, cylinder side and hose-entry direction. Some SX-MLT/SX-MACLT port positions use cylinder 3857471.

🔌 Function

Converts hydraulic pressure into linear force to raise, lower and hold the sterndrive at the commanded trim angle.

Common signs of failure or replacement requirement:

• External hydraulic oil leakage

• Drive settles after being trimmed

• Bent, scored or corroded piston rod

• Uneven travel between port and starboard cylinders

• Cracked cylinder body or damaged mounting eye

📦 Condition

• Brand-new aftermarket replacement part

• Supplied as a new replacement component

• Supplied in suitable retail or equivalent packaging