MERCURY MARINE 87885 Outboard Ignition Coil

( Brand: Mercury Marine ), ( Manufacturer Part Number: 87885 ), ( Part Type: Ignition Coil )

Review MERCURY MARINE Outboard Ignition Coil Genuine Oem Part

The **Mercury Marine 87885 Outboard Ignition Coil** is a precision-engineered component designed exclusively for high-performance Mercury outboard motors, ensuring reliable ignition and optimal combustion efficiency across a wide range of operating conditions. Crafted from high-grade materials and built to Mercury s exacting standards, this coil is engineered to deliver consistent spark generation, which is critical for maintaining peak engine performance, fuel economy, and longevity especially in demanding applications like fishing, boating, or marine racing. The coil features a robust, corrosion-resistant construction to withstand the harsh marine environment, including exposure to saltwater, humidity, and temperature fluctuations, which can degrade lesser-quality components over time. Its advanced winding technology ensures minimal energy loss, providing a strong, stable spark even under heavy loads or at high RPMs, thereby reducing misfires and preventing potential damage to the engine s internal components. Whether installed on a compact 50 HP model or a powerful V8 outboard, this ignition coil integrates seamlessly with Mercury s electronic control systems, offering precise timing and synchronization for smooth operation. Built to meet or exceed OEM specifications, the 87885 coil is a direct replacement for factory parts, guaranteeing compatibility without the need for modifications, and is backed by Mercury s reputation for durability and innovation. For marine enthusiasts who demand reliability and performance, this coil is an essential upgrade or replacement part that helps preserve the integrity of their outboard engine while ensuring consistent power delivery for years of trouble-free operation.

**Pros and Cons of buying a Mercury Marine 87885 Outboard Ignition Coil**

The **Mercury Marine 878885 ignition coil** is a critical component for outboard motors, responsible for generating the high-voltage spark needed to ignite the fuel-air mixture in the engine. Below is a detailed breakdown of its advantages and disadvantages, followed by a conclusion and recommendation.

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### **Pros**

1. **Compatibility and Reliability**

The 87885 coil is designed specifically for Mercury outboards, ensuring a precise fit and optimized performance. Mercury Marine is a well-known brand with a reputation for durability, so this part is likely to be reliable if it matches your engine model exactly. Many users report that genuine Mercury parts hold up better than aftermarket alternatives over time.

2. **Performance Consistency**

A high-quality ignition coil like this one ensures consistent spark generation, which is essential for smooth engine operation, better fuel efficiency, and reduced misfires. Misfires caused by a failing coil can lead to poor acceleration, rough idling, or even stalling, so replacing it with a known-good part can restore performance.

3. **Ease of Installation**

Ignition coils are relatively straightforward to replace, especially if you have basic mechanical skills. The 87885 is a standard part that doesn t require specialized tools or modifications. Mercury provides clear installation instructions, and many boat owners or mechanics can complete the job in under an hour.

4. **Warranty and Support**

Purchasing directly from Mercury or an authorized dealer often comes with a warranty (typically 1 2 years), providing peace of mind in case the coil fails prematurely. Mercury s customer service and dealer network are robust, offering support if issues arise.

5. **Preventative Maintenance**

Replacing the coil as part of routine maintenance can prevent unexpected breakdowns during critical moments, such as when you re out on the water. Ignition coils degrade over time due to heat, moisture, and electrical stress, so proactively replacing it can avoid costly repairs or stranded situations.

6. **Compatibility with Aftermarket Parts**

While not an aftermarket part itself, the 87885 is designed to work seamlessly with other Mercury-compatible components (e.g., spark plugs, wiring harnesses). This ensures that your engine s electrical system remains cohesive and functional.

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### **Cons**

1. **Cost**

The 87885 coil is not an inexpensive part. Prices typically range from **$100 to $200**, depending on the retailer and whether it s new or refurbished. This cost may be prohibitive for budget-conscious boat owners, especially if the coil is still functioning but showing early signs of wear. Some may opt for cheaper aftermarket alternatives, though this carries risks.

2. **Potential for Counterfeit Parts**

Purchasing from unauthorized sellers (e.g., third-party online marketplaces) increases the risk of receiving a counterfeit or low-quality replica. Counterfeit coils may fail prematurely, cause electrical issues, or even damage other components in the engine. Always buy from reputable dealers or directly from Mercury to avoid this risk.

3. **Limited Lifespan**

While ignition coils are durable, they are not indestructible. The 87885 is expected to last **50 100 hours of engine runtime** (or longer, depending on usage and maintenance). If your outboard sees heavy use (e.g., frequent long trips, towing, or high-load operation), the coil may wear out faster. This means you ll need to budget for replacements every few years.

4. **Diagnostic Challenges**

Symptoms of a failing ignition coil (e.g., misfires, rough idle, difficulty starting) can also be caused by other issues, such as faulty spark plugs, wiring problems, or fuel system malfunctions. Diagnosing the exact problem may require testing (e.g., checking voltage with a multimeter) or professional inspection, adding time and cost to the process.

5. **Environmental Factors**

Outboard motors are exposed to saltwater, humidity, and debris, which can accelerate wear on the ignition coil. If your boat is stored improperly (e.g., without a cover or in a damp environment), corrosion or moisture ingress can shorten the coil s lifespan. Regular cleaning and maintenance are necessary to mitigate this.

6. **Aftermarket Alternatives May Be Tempting**

Cheaper aftermarket coils (e.g., from brands like **Torque, Champion, or NGK**) may seem like a cost-effective alternative, but they often lack the same build quality, longevity, or compatibility guarantees. Some users report that aftermarket coils fail sooner or cause electrical issues, leading to more frequent replacements or engine problems.

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### **Conclusion**

The **Mercury Marine 87885 ignition coil** is a high-quality, reliable part that is essential for maintaining the performance and longevity of your outboard motor. Its advantages such as compatibility, consistency, ease of installation, and warranty support make it a worthwhile investment for serious boat owners who prioritize durability and peace of mind. However, the higher cost and potential risks of counterfeit parts must be weighed against the benefits.

If your engine is experiencing misfires, rough idling, or starting issues, and you ve confirmed that the coil is the culprit, replacing it with the **87885** is a strong recommendation. For those on a tighter budget, thorough research into aftermarket options (with careful consideration of reviews and warranties) may be an alternative, but it carries higher risk.

Ultimately, **purchasing the genuine Mercury part from an authorized dealer is the safest and most reliable choice**. It ensures optimal performance, reduces the likelihood of future engine problems, and aligns with Mercury s reputation for quality. If you re unsure about the coil s condition, consult a marine mechanic to confirm the diagnosis before proceeding with the replacement.

Buy the **Mercury Marine 87885 ignition coil** from a trusted dealer if you ve identified it as the source of your engine s issues. Prioritize genuine parts to avoid counterfeit risks, and pair the replacement with routine maintenance (e.g., cleaning spark plugs, checking wiring) to extend the coil s lifespan. If cost is a concern, verify the coil s condition thoroughly before purchasing an aftermarket alternative.

Details:

Choose a genuine Mercury Marine ignition coil to ensure your engine receives the precise, high- voltage spark it needs for optimal combustion. Transforms low voltage into high for spark plugs. Essential for reliable engine starting and performance. Brand Mercury Marine, Part Number 87885, Condition NEW, Notes/Other This ignition coil may require the use of your original spark plug wire.

Please verify part number 87885 is correct for your engine. 2026 Classic Revival Marine. Fast Shipping. Engineered to meet strict factory electrical specifications.

Using an OEM part guarantees correct electrical resistance and output, preventing misfires, poor fuel economy, potential damage from aftermarket coils. This is a genuine Mercury Marine ignition coil, part number 87885. Key Features. Please verify fitment for your specific application before purchasing.

Genuine Mercury Marine OEM ignition coil.

part #: 87885 prices

• $43.00-$79.99

specifications ignitionstartin:

• for makes: Mercury
• brand: Mercury Marine
• mpn: 87885
• part type: Ignition Coil

shipping ignitionstartin:

• carrier: UPS
• cost: $7.84
• class: Standard, Expedited, Economy
• transit: 5-12 Days
• type: Calculated
• service: UPS Ground, UPS 2nd Day Air, UPS Ground Saver

returns ignitionstartin:

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

general ignitionstartin:

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

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• # reviews: 0
• rating: 0.0%
• city: Spokane, Washington

offer ignitionstartin:

• availability: In Stock
• best offers: True
• quantity: 4
• started: February 5, 2026
• options: Ship-to-home
• sold: 0

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