EVINRUDE JOHNSON OMC 176273 Ignition Starting Key Switch

( Brand: Evinrude Johnson Omc ), ( Manufacturer Part Number: 176273 ), ( Type: Ignition Switch )

Review EVINRUDE JOHNSON OMC New Oem Ignition Starting Key Switch Keys

The **Evinrude Johnson OMC 176273 Ignition Starting Key Switch Assembly** is a precision-engineered component designed exclusively for select models of Evinrude and Johnson outboard motors, ensuring seamless operation and reliable performance in both freshwater and saltwater applications. This high-quality ignition key switch assembly is crafted from durable, corrosion-resistant materials, including robust metal housings and weather-sealed internals, to withstand the harshest marine environments from the relentless spray of open-water cruising to the abrasive salt air of coastal fishing adventures. The switch features a secure, ergonomic keyway that accommodates the standard ignition key, allowing for smooth engagement with the starter motor and ignition system, while its compact yet sturdy design integrates seamlessly into the motor s control panel, minimizing clutter and maximizing functionality. Engineered with OMC s signature attention to detail, this component includes a fail-safe mechanism to prevent accidental ignition while the motor is in operation, enhancing safety for both the operator and the vessel. Whether installed on a high-performance sportfisher, a versatile bass boat, or a dependable runabout, this ignition key switch ensures consistent starting performance, even in challenging conditions, making it an indispensable part of any outboard motor s electrical system. Built to meet or exceed OMC s rigorous quality standards, this part is fully compatible with a range of Evinrude and Johnson outboard models, providing a direct replacement solution for worn or damaged switches, thereby restoring optimal functionality without compromising the motor s performance or longevity.

**Pros and Cons of buying a Evinrude/Johnson OMC 176273 Ignition Starting Key Switch Keys**

The **Evinrude/Johnson OMC 176273 ignition starting key switch** is a replacement part for older outboard motors, particularly those manufactured by Evinrude and Johnson (now part of OMC). Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.

---

### **Pros**

1. **Direct Compatibility**

The part is specifically designed for older Evinrude and Johnson outboard motors, ensuring a proper fit without modification. This reduces the risk of installation errors that could damage the motor or key system.

2. **Reliability for Older Models**

Many older Evinrude/Johnson motors (particularly those from the 1980s to early 2000s) use this type of ignition switch. If the original switch has failed, this replacement is likely to function as intended, provided the motor s wiring and electrical system are intact.

3. **Cost-Effective Repair**

Replacing a faulty ignition switch is often cheaper than overhauling the entire ignition or starter system. This part is relatively affordable compared to labor costs for professional installation.

4. **Easy Installation (For Mechanically Inclined Owners)**

The switch is designed to be a straightforward plug-and-play replacement. With basic tools and a clear wiring diagram, many boat owners can install it themselves, saving on labor expenses.

5. **Prevents Further Damage**

A failing ignition switch can cause intermittent starting issues, flooding the engine, or even damage the starter motor. Replacing it promptly can prevent more costly repairs down the line.

6. **Availability of Replacement Parts**

Since this is a widely used part, it is relatively easy to find through marine supply stores, online retailers (e.g., Amazon, West Marine, BoatUS), or eBay. Spare parts for older OMC motors remain in circulation, ensuring availability.

7. **Compatibility with Aftermarket Modifications**

If you ve upgraded other components (e.g., battery, starter, or wiring), this switch is likely to work seamlessly with those changes, assuming the voltage and electrical load are within specifications.

---

### **Cons**

1. **Age-Related Wear in the Motor**

If the motor itself is old or has been neglected, replacing just the ignition switch may not fully resolve starting issues. Other components (e.g., starter motor, battery, ignition coils, or fuel system) could still be failing, leading to repeated problems.

2. **Potential for Counterfeit or Low-Quality Parts**

Some online sellers may offer knockoff or poorly manufactured switches that fail prematurely. Buying from reputable dealers (e.g., official OMC distributors or well-reviewed suppliers) helps mitigate this risk but requires due diligence.

3. **Wiring Corrosion or Damage**

Older motors often suffer from corroded or frayed wiring, which can cause intermittent electrical issues even with a new switch. Inspecting and cleaning the wiring harness is essential before installation.

4. **Limited Lifespan of the Switch**

While this part is durable, it is not designed for indefinite use. If the motor sees heavy use or harsh conditions (e.g., saltwater exposure), the switch may wear out again within a few years, requiring another replacement.

5. **Compatibility with Modern Upgrades**

If you ve installed newer electronics (e.g., digital ignition systems, battery monitors, or remote start kits), the original switch may not integrate smoothly. In such cases, a more modern switch (e.g., a universal or aftermarket model) might be necessary.

6. **Learning Curve for DIY Installation**

While the installation is generally simple, those unfamiliar with marine electrical systems may struggle with wiring diagrams or identifying the correct switch location. Improper installation could lead to short circuits or damage.

7. **Environmental Factors**

Saltwater corrosion is a persistent issue in marine environments. Even with a new switch, prolonged exposure to moisture can degrade the internal components over time, especially if the motor is not properly maintained.

---

### **Conclusion**

The **Evinrude/Johnson OMC 176273 ignition starting key switch** is a practical and cost-effective solution for boat owners with older outboard motors experiencing ignition or starting problems. Its direct compatibility, affordability, and ease of installation make it a viable choice for basic repairs. However, it is not a universal fix success depends on the overall health of the motor and its electrical system. If the motor has other underlying issues (e.g., a failing starter, corroded wiring, or a weak battery), replacing just the switch may provide temporary relief but not a permanent solution.

For owners confident in their mechanical skills and willing to inspect the motor thoroughly, this part offers a straightforward upgrade. Those with newer or heavily modified motors may need to consider more advanced or universal switches. Always prioritize purchasing from trusted suppliers to avoid counterfeit parts and ensure longevity.

---

### **Recommendation**

1. **Verify Compatibility**: Double-check that the **176273 switch** is the correct part for your specific motor model and year. Consult your motor s manual or a marine mechanic if unsure.

2. **Inspect the Motor**: Before purchasing, assess the condition of the starter motor, battery, wiring, and fuel system. Address any other obvious issues to avoid repeated failures.

3. **Buy from a Reputable Source**: Purchase the part from an authorized OMC dealer, a well-reviewed online retailer, or a marine supply store with a return policy. Avoid suspiciously cheap listings that may indicate counterfeit goods.

4. **Prepare for Installation**: Gather the necessary tools (screwdrivers, wire strippers, multimeter for testing), and have a clear wiring diagram ready. If unsure, consult a professional.

5. **Consider a Universal Switch (If Needed)**: If your motor has been modified with aftermarket electronics, a universal ignition switch (e.g., from **Honeywell, Lifeline, or MarineStart**) may offer better compatibility and longevity.

6. **Maintain the Motor**: After installation, regularly clean the switch and wiring, check for corrosion, and ensure the battery is in good condition to extend the life of the new switch.

**Final Verdict**: For owners of older, unmodified Evinrude/Johnson motors with straightforward ignition issues, the **176273 switch** is a sound and economical choice. For more complex setups or newer motors, weigh the pros and cons carefully or consult a specialist before purchasing.

Details:

Some cheap versions of these switch assemblies would have issues with internal terminal corrosion causing operational. 1 key switch assembly with two keys as shown in OEM box. These OEM replacement switch assemblies have silver coated internal contacts to give the durability expected in a marine environment. You are purchasing Qty.

New OEM 176273 Evinrude Johnson OMC Ignition Starting Switch with 2 Keys in box 0176273, This is a new key switch assembly and not cheap aftermarket copy.

part #: 176273 prices

• $20.00-$78.64

specifications ouboaen:

• for makes: Evinrude
• brand: Evinrude Johnson Omc
• mpn: 176273
• type: Ignition Switch

shipping ouboaen:

• transit: 3-8 Days
• type: Fixed
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage
• cost: $0.00

payments ouboaen:

• wallet: Google-pay
• other
• credit card: Discover

returns ouboaen:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

general ouboaen:

• Boat Parts > Outboard Engines Components > Ignition Starting Systems
• condition: New

offer ouboaen:

• started: May 18, 2026
• quantity: 2
• availability: In Stock
• sold: 0
• options: Ship-to-home

seller ouboaen:

• # reviews: 1908
• rating: 100.0%
• city: Mukwonago, Wisconsin

Evinrude Johnson Omc 176273 Is Similar To:

• 017612 017612 Evinrude Brp Johnson E-tec (34.2% similar) Omc, Evinrude, Johnson e-etc outboard motor 3 gallon remote oil tank w low sensor good for all and newer systems check model's including will not work with Fichte mounting bracket included...(September 1st, 2017)
• 0439195 5000334 0439195 5000334 Johnson-evinrude Fuel Pump (20.7% similar) Inventory: A1. Condition: unit has been inspected, tested, and approved by a certified outboard marine mechanic. Item: fuel pump Johnson Evinrude: this is a used high pressure for 150, 175 hp v6 Fichte years...(April 19th, 2017)
• 395088 395088 Evinrude 1978-1994 85hp-300hp Johnson (25% similar) This will fit year model's 85HP-300HP Johnson Evinrude outboard motors. This tilt and trim has been tested is in good working condition...(April 12th, 2017)
• 00000 Evinrude 1975 Johnson 85hp (33.3% similar) ...(February 21st, 2018)
• 0116761 Evinrude-johnson Bow Arm Assembly 089287000156 (35.4% similar) Bow arm assembly...(July 25th, 2017)
• 0123278 0123610 Omc Johnson Evinrude Outboard Motor Binnacle Control Box Handle Kit (18.6% similar) New handle kit fits single and dual mount binnacle controls...(May 28th, 2018)
• 0127084 Brp Evinrude Johnson Omc Stringer Thrust Washer (50.4% similar) Thrust washer...(July 2nd, 2018)
• 0127278 Brp Johnson Evinrude Single (32.4% similar) For 1996 and later systems check single binnacle remote controls. Only the cover-no switch or other. Single top mount Johnson Evinrude remote control cover. Reference part number in good reusable condition-no fading-no cracks or broken areas...(January 26th, 2018)
• 0127280 Johnson Evinrude Nos Outboard Key (25.6% similar) Calculated shipping uses calculator. Sales: use shipping calculator to get charges. Buyer pays shipping except if free is offered. E of the value prop shaft. Note: ups cannot deliver to a PO. Under no circumstances will we falsify or undervalue export declared value documents. Torn, broken, written ...(February 19th, 2019)
• 0172522 Evinrude Johnson Oem Brp Outboard Ignition Kit 745419000677 (47.6% similar) 5 hp looking for something else. Items will only be accepted for return in their original condition, with absolutely no accessories missing. Correspondence via messaging is preferred...(May 6th, 2018)
• 0172574 New Genuine Johnson Evinrude Sending Unit Kit Lot (36.1% similar) ...(March 1st, 2018)