0174688 0765439 OMC Hour Meter | Genuine Used Part

🔧 Product Description

Genuine OMC Tech Series Engine Hour Meter - Part Number: 0174688

A genuine OMC black-face Tech Series hour meter used to record accumulated engine operating time.

The gauge is energised with the engine ignition or run circuit and advances while the circuit is powered. Part number 0174688 was later replaced by OMC / BRP hour-meter gauge kit 0765439.

⚙️ Key Features

• Genuine OMC Tech Series hour meter

• Correct original part number 0174688

• Superseded by 0765439

• Non-resettable accumulated operating-time display

• Suitable for 12-volt marine instrument systems

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 0765439 → Supersedes 0174688

• 0174688 → Supersedes related earlier 0174521 hour meter

• 0174521 earlier international-market Tech Series reference

OEM / Related Numbers:

• 0174688

• 174688

• 0765439

• 765439

• 0174521

• 174521

• Related instrument bulb and socket

• Related mounting bracket and ignition feed

Aftermarket / Verified Equivalents:

• Faria Beede two-inch marine hour meter - functional replacement

• Sierra / Teleflex marine hour meter - functional replacement

• VDO marine hour meter - functional replacement

• No aftermarket unit is a guaranteed cosmetic match to the OMC Tech Series face

🚤 Compatibility

Commonly used on:

• Johnson and Evinrude outboard dashboards

• OMC Cobra sterndrive dashboards

• Any compatible 12-volt installation where the meter receives power only while the engine is operating

Typically suits:

• 1988 OMC Sterndrive accessory installations

• 1990 and 1991 OMC instrument kits

• Later Johnson / Evinrude instrument panels using replacement kit 0765439

• Electrical System: 12-volt switched supply

• Gauge Type: Non-resettable cumulative hour meter

• Year Range: Approximately 1988 onward

🔌 Function

The hour meter records total operating time for servicing, maintenance planning and engine-use history.

Common signs of failure:

• Display does not advance with the engine running

• Meter advances whenever the ignition is left on

• Digits become difficult to read

• Moisture enters behind the lens

• Electrical terminals corrode

• Internal mechanical counter becomes noisy or sticks

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated