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Differences Between OEM and Aftermarket Ignition Coils?

1 Answers

McJuliana

07/30/25 9:49am

Differences between OEM and aftermarket ignition coils are as follows: 1. Appearance: OEM coils have original labels and QR codes. Aftermarket coils are produced by other manufacturers. 2. Precision: OEM coils have finer workmanship than aftermarket ones. 3. Durability: OEM coils pay more attention to material selection and precision, making them more durable. 4. Compatibility: OEM coils match the vehicle perfectly, while aftermarket ones do not. Additional information: Disadvantages of not using OEM parts: 1. Less dense filter paper leads to poor filtration, potentially causing irreversible damage to the engine. 2. Inhaling dust and other impurities accelerates carbon buildup and piston wear. 3. Using unqualified filters affects engine air intake, impacting performance, accelerating oil consumption, causing abnormal wear of pistons and cylinders, and leading to excessive carbon buildup. 4. Genuine parts have a longer lifespan, while counterfeit products require more frequent replacement.

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