Is the replaced new engine as good as the original one?

2 Answers
McSerenity
09/03/25 4:04am
Normally, the engines replaced at 4S stores are original. Below is some relevant information about engines: Introduction: An engine is a machine capable of converting non-mechanical energy into mechanical energy. Classification: Includes internal combustion engines, external combustion engines, jet engines, electric motors, etc. External combustion engines convert the thermal energy generated by combustion into kinetic energy, with Watt's improved steam engine being a typical example of an external combustion engine; Internal combustion engines, also known as reciprocating piston engines, differ from external combustion engines primarily in that the fuel is burned inside them; Jet engines are those that directly generate thrust by the high-speed ejection of gas from a nozzle.
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LeElle
09/15/25 5:41am
I've been driving for decades and have experienced several engine replacements. The original factory engine is definitely the best match for your car because it comes directly from the factory, with materials and designs specifically tailored for your vehicle, ensuring smooth operation and fuel efficiency. If you opt for a new factory replacement engine, the performance is almost identical to the original, but it comes at a significantly higher price. I've tried aftermarket replacement parts—they're cheaper but less durable. After just six months, I noticed some unusual noises, likely due to manufacturing issues. Refurbished engines are even cheaper, but you need to be cautious about their source. Some second-hand refurbished engines aren't thoroughly reconditioned, and aged parts can compromise safety. During repairs, you also need to consider sensor compatibility; otherwise, the onboard computer might throw error codes. My personal recommendation is to prioritize factory parts, especially for new cars still under warranty, as it can save you from future headaches. A car is like an asset—reliability is paramount. Don't skimp now only to pay more for repairs later.
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