370-250A2 COMPONENTSPLUS Ignition Coil 454 Mercruiser

Review COMPONENTSPLUS New Ignition Coil Fits 224 262 Hp All Years By 370-250 for MERCRUISER 454

The COMPLETECTM 370-250A2 Ignition Coil from Component Solutions is a high-performance ignition component specifically designed for MerCruiser engines with 454 horsepower, model numbers 224, 262, and others that utilize this ignition system. This ignition coil, part number 18-5433, is an essential upgrade for boat owners seeking improved ignition efficiency and reliability.

The 370-250A2 Ignition Coil features a robust design, with a copper primary winding and an iron core. The copper primary winding is known for its superior conductivity, enabling faster current flow, which results in a stronger spark. The iron core is engineered for optimal magnetic field strength, ensuring consistent and reliable ignition of the fuel-air mixture in the engine's combustion chamber.

This ignition coil is engineered to meet the demanding requirements of high-horsepower MerCruiser engines. It is designed to produce a primary voltage of 12,000 volts and a secondary voltage of 25,000 volts. This high voltage output results in a powerful spark that ignites the fuel-air mixture more efficiently, leading to increased power, faster response, and improved overall engine performance.

The COMPLETECTM 370-250A2 Ignition Coil is also designed with durability in mind. It is sealed in a protective coating to prevent moisture intrusion and corrosion, ensuring a long service life even in the harsh marine environment. The coil is also designed to operate at high temperatures, making it suitable for use in hot climates or during extended periods of operation.

Installing the 370-250A2 Ignition Coil is a straightforward process, and it is a direct replacement for the original part. Boat owners can expect a noticeable improvement in engine performance, including increased horsepower, smoother idling, and improved throttle response.

In summary, the COMPLETECTM 370-250A2 Ignition Coil from Component Solutions is a high-performance, robust, and reliable ignition component designed specifically for MerCruiser engines with 454 horsepower. It features a copper primary winding and iron core for superior conductivity and consistent magnetic field strength, producing a powerful spark for efficient combustion. The coil is sealed for protection against the marine environment and is designed for high temperatures, ensuring a long service life and improved engine performance.

The Mercruiser 370-250A2 ignition coil is a crucial component for the ignition system in MerCruiser engines, specifically those producing 454 horsepower. Here are some pros and cons of buying this ignition coil:

1. High Power Output: This ignition coil is designed to produce a high voltage output, which is necessary for the efficient combustion of fuel in high-performance engines.

2. Reliable: MerCruiser is a reputable brand, and their ignition coils are known for their reliability and durability.

3. Easy Installation: The ignition coil is a straightforward component to install, and it doesn't require any specialized tools or expertise.

4. OEM Part: This ignition coil is an original equipment manufacturer (OEM) part, meaning it is specifically designed and manufactured for MerCruiser engines.

1. Expensive: Compared to aftermarket ignition coils, the OEM MerCruiser ignition coil can be quite expensive.

2. Limited Availability: This ignition coil may not be readily available in local stores or from all online retailers.

3. No Performance Upgrade: While this ignition coil is suitable for the stock 454 horsepower engine, it does not offer any performance upgrades for those looking to modify their engine.

The Mercruiser 370-250A2 ignition coil is a reliable and high-performing component that is essential for the ignition system of MerCruiser engines producing 454 horsepower. However, it comes with a higher price tag compared to aftermarket alternatives. If you are looking for an OEM part that guarantees compatibility and reliability, then this ignition coil is an excellent choice. However, if you're on a tight budget, you may want to consider aftermarket alternatives.

If you are a boat owner with a MerCruiser engine producing 454 horsepower and require a reliable and high-performing ignition coil, then the Mercruiser 370-250A2 ignition coil is an excellent choice. However, if you're looking to save some money, you may want to consider aftermarket alternatives, although they may not offer the same level of compatibility and reliability as the OEM part. Ultimately, the decision depends on your budget and priorities.

Details:

Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but designed to function same as - if better than. Componentsplus products, when properly installed, are warranted against defects in materials and workmanship to the original purchaser for a period of one 1 year from date purchase. All parts sold are new. Warranty does not cover failure due to accident, abuse, neglect or as the result of normal wear and tear.

Horsepower: 140-454 hp. New ignition coil fits Mercruiser 224 262 454 hp all years by 370-250 18-5433: this item fits various applications by part number. Mercruiser all years, 140 hp 153 165 224 262 454 years. Product notice: as a parts distributor we mostly sell aftermarket any oem would be noted as such.

specifications watercraftimp:

• for models: 454, Mercruiser
• brand: Componentsplus
• mpn: 370-250a2
• part type: Ignition Hp Coil
• country of origin: Us
• warranty: 1 Year
• california prop 65 warning: This Product May Expose You To Chemicals Such As Carbon Black, Silica, Crystalline Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov
• oem interchange part numbers1: 18-5433
• oem interchange part numbers2: 32193a2
• oem interchange part numbers3: 392-806529a1
• product notice: As A Parts Distributor We Mostly Sell Aftermarket Parts
• source: Aftermarket

shipping watercraftimp:

• transit: 2-6 days
• type: fixed
• class: economy, standard, expedited, one-day
• service: economy, standard, expedited, overnight

returns watercraftimp:

• policy: returns accepted
• time: 30 days
• paid by: seller

payments watercraftimp:

• other
• wallet: apple-pay
• credit card: visa

seller watercraftimp:

• city: morrisville, north carolina
• rating: 98.5%
• # reviews: 51856

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

offer watercraftimp:

• price: $59.06
• item condition: New
• started: january 7, 2026
• availability: in stock
• options: ship-to-home
• sold #: 12