8M0143219 Aftermarket Mercruiser Power Trim Assembly | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Mercury / Mariner Complete Three-Ram Power-Trim Assembly - Part Number: 8M0143219

Complete two-wire hydraulic power-trim and tilt unit for compatible Mercury/Mariner three-ram outboard systems. The assembly includes the electric motor, pump/valve body and hydraulic rams as one service package.

⚙️ Key Features

• Complete electro-hydraulic trim/tilt unit

• Two-wire reversible motor

• Three-ram hydraulic design

• Metal motor-housing configuration

• Suitable for replacement of complete assemblies in the 855998/862729 family

📋 Kit / Assembly Contents

• 1 × Complete trim-motor assembly - supplied within 8M0143219

• 1 × Hydraulic pump and valve-body assembly - supplied within 8M0143219

• 1 × Main tilt ram and two trim rams - supplied within 8M0143219

• 1 × Integrated fluid reservoir - supplied within 8M0143219

• Internal seals and check/relief valves - supplied within the complete assembly

• External mounting pins and bracket hardware - transferred or serviced separately unless packaged

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 8M0168222 → Later service supersession for 8M0143219 on current packages

• 8M0143219 → Supersedes 855998A08 and 855998A11

• 8M0143219 → Related to 855998A3 and 862729A6 application families

OEM / Related Numbers:

• 8M0168222

• 8M0143219

• 855998A11

• 855998A08

• 855998A3

• 862729A6

• REC8M0143219

Aftermarket / Verified Equivalents:

• Recmar: REC8M0143219

• Sterndrive Engineering: compatible two-wire three-ram assembly

• Aftermarket complete 855998A11/8M0143219 units

🚤 Compatibility

Commonly used on:

• Mercury/Mariner outboard three-ram power-trim systems

Typically suits:

• Engine / drive models:

• Selected 135-200 HP EFI/Optimax/Verado four-cylinder applications

• 150 HP EFI Verado four-cylinder metal-motor-housing system

• Compatible Mercury V6 two-stroke power-trim installations

• Engines whose power-trim diagram lists 8M0143219/855998A11

• HP Range: Application commonly 135-200+ HP; exact engine serial controls fitment

• Engine / Drive Type: Complete two-wire three-ram outboard power trim and tilt unit

• Year Range: Approximately 1996 onward

• Serial / Identification Range: Confirm bracket width, mounting pins, connector, motor housing and engine serial before ordering.

🔌 Function

Uses the electric motor, hydraulic pump, valve body and rams to trim the engine under load, tilt it fully and hydraulically hold position.

Common signs of failure or replacement requirement:

• Engine will not raise or lower

• Unit leaks at ram, valve body or motor

• Engine drifts down

• Slow or jerky movement

• Motor runs but hydraulic pressure is absent

📦 Condition

• Brand-new aftermarket replacement part

• Supplied as a new replacement component

• Supplied in suitable retail or equivalent packaging