980183 Aftermarket Mercruiser Tilt Shaft | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket OMC Stringer Tilt-Worm Shaft - Part Number: 980183

Replacement worm-drive tilt shaft for OMC Stringer intermediate-housing tilt mechanisms. Although the supplied listing uses MerCruiser wording, 980183 is an OMC/Johnson/Evinrude Stringer sterndrive reference.

⚙️ Key Features

• Machined worm-drive tilt shaft

• Installs in the OMC intermediate-housing tilt mechanism

• Replaces worn or damaged 980183/310613 shaft

• Transfers motor/gear rotation into drive-lifting movement

• Not a MerCruiser Alpha or Bravo trim-cylinder anchor pin

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 980183 → Replaces/relates to earlier OMC 310613

OEM / Related Numbers:

• 0980183

• 980183

• 310613

• Sierra 18-2156

• GLM 22040

• REC980183

Aftermarket / Verified Equivalents:

• Sierra: 18-2156

• GLM: 22040

• Recmar: REC980183

🚤 Compatibility

Commonly used on:

• OMC Stringer 400/800 sterndrive mechanical tilt systems

Typically suits:

• Engine / drive models:

• OMC Stringer intermediate housings from the late 1970s through mid-1980s

• 2.5 L and 3.0 L four-cylinder packages

• 3.8 L and 4.3 L V6 packages

• 5.0 L and 5.7 L V8 packages whose intermediate-housing diagram lists 980183

• HP Range: Approximately 120-260 HP on documented Stringer packages

• Engine / Drive Type: Mechanical worm-gear sterndrive tilt shaft

• Year Range: Approximately 1978-1986

• Serial / Identification Range: Confirm OMC Stringer intermediate-housing model and shaft number. It does not fit conventional hydraulic Alpha/Bravo systems.

🔌 Function

Transfers rotary force through the worm-drive tilt mechanism to raise or lower the Stringer sterndrive.

Common signs of failure or replacement requirement:

• Tilt motor runs but drive does not move

• Stripped or pitted worm teeth

• Binding or excessive backlash

• Knocking from the intermediate housing

• Shaft corrosion or bent bearing surfaces

📦 Condition

• Brand-new aftermarket replacement part

• Supplied as a new replacement component

• Supplied in suitable retail or equivalent packaging