55515866 CHEVROLET Engine Ignition Coil Blazer

Review CHEVROLET 2.0l L4 Engine Ignition Coil Oem for BLAZER 2020–2024

The Chevrolet 55515866 ignition coil is a crucial component of the 2.0L L4 engine found in various Blazer models from 2020 to 2024. This part is responsible for supplying the high voltage needed to create a spark in the spark plugs, which in turn ignites the air-fuel mixture in the engine cylinders.

The ignition coil is a compact, self-contained unit that consists of several windings of copper wire insulated with porcelain. These windings create a magnetic field when an electrical current is applied. When the coil is energized, the magnetic field collapses, generating a large voltage spike. This high voltage spike is then transferred to the spark plugs through the distributor or the coil-on-plug system, creating an electrical discharge that ignites the fuel.

The Chevrolet 55515866 ignition coil is designed to meet the specific requirements of the 2.0L L4 engine in the Blazer. It is manufactured to meet original equipment manufacturer (OEM) specifications and undergoes rigorous testing to ensure reliability and durability. The coil is also designed to withstand the extreme temperatures and vibrations encountered in automotive applications.

One notable feature of this ignition coil is its ability to generate a high voltage output even under cold starting conditions. This is essential for quick and efficient engine starting, especially in cold climates. The coil also features a robust construction, including a durable housing and high-quality electrical contacts, to ensure long service life.

Installing the Chevrolet 55515866 ignition coil is a straightforward process that can be done by most do-it-yourself mechanics. However, it is important to follow the proper safety procedures and use the appropriate tools to avoid damage to the engine or other components. If you are not confident in your ability to perform the installation yourself, it is recommended that you seek the assistance of a qualified professional.

In summary, the Chevrolet 55515866 ignition coil is a crucial component of the 2.0L L4 engine in the Blazer, responsible for generating the high voltage needed to ignite the fuel. It is designed to meet OEM specifications and undergoes rigorous testing to ensure reliability and durability. With its ability to generate a high voltage output even under cold starting conditions, this ignition coil is an essential part of keeping your Blazer running smoothly and efficiently.

The Chevrolet Blazer 2.0L L4 engine uses a ignition coil to generate a spark necessary for the engine to run. Replacing a faulty ignition coil can improve vehicle performance and prevent potential engine damage. Here are some pros and cons of buying a new ignition coil for a 2020-2024 Chevrolet Blazer:

1. Improved engine performance: A new ignition coil can help improve engine performance by providing a strong, consistent spark to the spark plugs.

2. Better fuel efficiency: A properly functioning ignition system can help improve fuel efficiency by ensuring that fuel is being burned efficiently.

3. Reduced emissions: A new ignition coil can help reduce exhaust emissions by ensuring that the engine is running efficiently and effectively.

4. Cost-effective: Replacing an ignition coil is a relatively inexpensive repair compared to other engine repairs.

1. DIY installation may be difficult: Installing an ignition coil can be a complex process, especially for those without mechanical experience.

2. Potential for other ignition system issues: A faulty ignition coil may be a symptom of a larger issue within the ignition system, such as a faulty distributor or spark plugs.

3. Risk of damaging other components: Improper installation or use of the wrong ignition coil can result in damage to other engine components.

Replacing the ignition coil in a 2020-2024 Chevrolet Blazer can provide several benefits, including improved engine performance, better fuel efficiency, and reduced exhaust emissions. However, the installation process can be complex, and there is a risk of other ignition system issues or damaging other engine components if the wrong part is used.

If you are experiencing issues with your ignition system, such as rough idling or difficulty starting the engine, it may be worth considering replacing the ignition coil. However, it is recommended that you have the ignition system inspected by a qualified mechanic to ensure that other components are not also in need of repair. Additionally, it is important to use the correct ignition coil for your specific vehicle model and engine type to avoid any potential damage to other components.

Details:

Body type: sport utility 4-door SUV. Mileage: 33k mileage. Transmission: 9-speed automatic transmission 9t50. Donor vehicle: 2022 Chevrolet Blazer Lt.

specifications ignitioncomp:

• for models: Blazer
• for years: 2020–2024
• brand: Chevrolet
• mpn: 55515866
• type: Ignition Coil
• vintage part: No

returns ignitioncomp:

• policy: no returns

offer ignitioncomp:

• sold #: 19
• started: may 27, 2025
• availability: in stock
• best offers: true
• options: ship-to-home
• prices: $78.99–$1334.78
• item condition:
  • New other (see details)
  • New
  • Used
• in stock #: 5

general ignitioncomp:

• category: Auto Parts > Car Truck Accessories > Systems Components > Ignition Coils

seller ignitioncomp:

• # reviews: 1 2022
• city: traverse city, michigan
• rating: 99.3%

shipping ignitioncomp:

• service: standard
• class: standard
• transit: 3-8 days
• type: fixed

payments ignitioncomp:

• wallet: apple-pay
• credit card: diners-club
• other