Let’s Dive into Sierra International 185166 Ignition Coil For Nissan/Tohatsu 9.9D/9.9D2/15D/15D2/18E/18E2
The Sierra International 185166 Ignition Coil is a crucial component for maintaining the reliable performance of older Nissan and Tohatsu outboard engines. Specifically designed for the 9.9D, 9.9D2, 15D, 15D2, 18E, and 18E2 models manufactured in the early 2000s and before, this coil promises to deliver consistent spark and dependable ignition. Sierra International, a well-known name in marine parts, offers this coil as a direct replacement for the original equipment, aiming to restore and maintain the smooth operation of these trusty outboards.
My old fishing boat, powered by a Tohatsu 15D, started acting up last season, sputtering and occasionally refusing to start. After some diagnostics, the culprit seemed to be a failing ignition coil; hence, my search for a reliable replacement led me to the Sierra International 185166 Ignition Coil.
Upon receiving the coil, I was immediately impressed with its solid construction and clean finish. It felt robust in my hand, suggesting quality materials and careful manufacturing. The weight felt comparable to the original coil I removed from the engine.
I considered a few other aftermarket coils, but ultimately chose the Sierra International product based on the brand’s reputation and the detailed compatibility information provided. The Sierra International 185166 promised a perfect fit and performance, and I valued the peace of mind that came with choosing a reputable manufacturer. I was cautiously optimistic, hoping this coil would breathe new life into my faithful outboard.
Real-World Testing: Putting Sierra International 185166 Ignition Coil For Nissan/Tohatsu 9.9D/9.9D2/15D/15D2/18E/18E2 to the Test
First Use Experience
The real test came during a late-season fishing trip on a chilly October morning. I installed the Sierra International 185166 Ignition Coil in the boat, and crossed my fingers, as I turned the key; the Tohatsu fired up on the second crank, purring smoothly like it hadn’t in months. Gone was the sputtering and hesitation.
Out on the water, the engine ran flawlessly all day long. The smooth, consistent power delivery made trolling a pleasure, and the boat responded instantly to throttle adjustments. Even in the damp, cold conditions, the ignition remained rock solid. I was genuinely impressed.
Extended Use & Reliability
Over the next few months, I used the boat regularly for fishing and duck hunting, putting the Sierra International 185166 Ignition Coil through its paces. The coil continued to perform perfectly, with no signs of degradation or reduced output. The engine started reliably every time, regardless of the weather.
After a full season of use, the coil still looks and performs as good as new. There are no signs of cracking, corrosion, or other wear and tear. A quick visual inspection confirms that it is still in excellent condition. This coil far exceeded my expectations, delivering consistent performance and restoring my confidence in my aging outboard.
Breaking Down the Features of Sierra International 185166 Ignition Coil For Nissan/Tohatsu 9.9D/9.9D2/15D/15D2/18E/18E2
Specifications
The Sierra International 185166 Ignition Coil is specifically designed as a replacement part for certain Nissan and Tohatsu outboard engines. It fits 9.9D (2002 & Below), 9.9D2 (2003 & Below), 15D (2002 & Below), 15D2 (2003 & Below), 18E (2002 & Below), and 18E2 (2003 & Below) models.
This ignition coil is interchangeable with other part numbers, including CDI 189-3381, Mercury Marine 160642, 160643, 160645, 16064T05 and 8M0047311, and various Nissan/Tohatsu part numbers (362060400M, 362060401M, 362060500M, 362060501M, 3G2-06040-2, 3G2060400M, 3G2060401M, 3G2060402M, 3G2060500M, 3G2060501M, 3G2060530M, 3M3060480M, 3M3060481M, and 3M3060482M). The interchangeability underscores its broad compatibility.
Performance & Functionality
The primary function of the Sierra International 185166 is to provide a high-voltage spark to the spark plug, igniting the air-fuel mixture in the engine cylinder. A strong, consistent spark is crucial for reliable engine starting, smooth idling, and optimal power output. This coil performs admirably in all these areas, restoring the engine’s performance to its original specifications.
One minor weakness is the lack of detailed installation instructions; however, anyone familiar with basic engine maintenance should find the replacement straightforward. Overall, the Sierra International 185166 meets and exceeds expectations, delivering reliable and consistent performance.
Design & Ergonomics
The coil features a durable, weather-resistant construction designed to withstand the harsh marine environment. It is compact and lightweight, making it easy to handle and install. The design closely replicates the original equipment, ensuring a perfect fit and easy installation.
The coil’s design prioritizes functionality and durability over aesthetics. It’s a simple, robust component designed to perform its job reliably, without unnecessary frills.
Durability & Maintenance
The Sierra International 185166 is built to last, using high-quality materials and robust construction techniques. Regular visual inspection for cracks, corrosion, or damage to the wiring is recommended. Minimal maintenance is required, making it a hassle-free replacement part.
With proper care and maintenance, this coil should provide years of reliable service. The weather-resistant construction ensures that it can withstand the harsh marine environment without premature failure.
Accessories and Customization Options
The Sierra International 185166 is a direct replacement part and doesn’t require any additional accessories for basic functionality. While there are no specific customization options for the coil itself, ensuring the spark plug is properly gapped and in good condition is vital for optimal ignition.
It’s compatible with standard spark plugs recommended for the specified Nissan and Tohatsu engines. There are no specific brand limitations.
Pros and Cons of Sierra International 185166 Ignition Coil For Nissan/Tohatsu 9.9D/9.9D2/15D/15D2/18E/18E2
Pros
- Direct replacement: Designed to fit perfectly and function like the original equipment.
- Improved engine performance: Restores reliable starting, smooth idling, and optimal power.
- Durable construction: Built to withstand the harsh marine environment.
- Reputable brand: Sierra International is a trusted name in marine parts.
- Wide compatibility: Fits multiple Nissan and Tohatsu engine models.
Cons
- Lack of detailed installation instructions for novice users.
- May be overkill if only experiencing intermittent ignition issues; check other components first.
Who Should Buy Sierra International 185166 Ignition Coil For Nissan/Tohatsu 9.9D/9.9D2/15D/15D2/18E/18E2?
The Sierra International 185166 Ignition Coil is perfect for boat owners with Nissan/Tohatsu 9.9D, 9.9D2, 15D, 15D2, 18E, and 18E2 outboard engines experiencing ignition problems. It is also well suited to those who prefer to perform their own boat maintenance and repairs.
Someone who should skip this product is one who has an engine that’s not listed as compatible, or who is experiencing issues caused by another problem, such as a bad fuel pump or fouled spark plugs. Must-have accessories or modifications are a spark plug gapping tool and a basic set of hand tools for installation.
Conclusion on Sierra International 185166 Ignition Coil For Nissan/Tohatsu 9.9D/9.9D2/15D/15D2/18E/18E2
In summary, the Sierra International 185166 Ignition Coil is a high-quality replacement part that effectively restores the performance of older Nissan/Tohatsu outboard engines. At $67.99, the price is justified considering the improvement in engine reliability and performance.
I wholeheartedly recommend the Sierra International 185166 to anyone seeking a dependable replacement ignition coil for their compatible Nissan/Tohatsu outboard engine. Don’t let a faulty ignition system keep you off the water; invest in the Sierra International 185166 and experience reliable performance and peace of mind. It’s a small investment that can make a big difference in your boating experience.