Most Subarus you see on the road today have an EJ, and in 2011, Subaru introduced a completely redesigned engine, the F series. The first Subaru Engine used in the US is the E series. Be sure to do your research on companies and their components, and be ready to invest in your car if you want to do it right, and do it once. You get what you pay for in the automotive industry, so bargain shopping will not keep your Subaru reliable. Most knock-off parts are manufactured in China, with sub-par materials in dirty factories. OEM parts are quality parts that are proven. But think to yourself for a moment why aftermarket parts are cheaper. Many decades of research, development, investment, trial and error have gone into these parts far more than 90% of any aftermarket manufacturers. Genuine OEM Subaru parts are truly high quality parts. If something is aftermarket, then it has been manufactured or modified by a factory or shop other than Subaru. These terms describe the parts that were installed on/in your car from the factory. If your car came new from the dealership, then it 100% stock or OEM (Original Equipment Manufacturer). Here at Crawford you will only ever hear proven facts, and the information that will allow you to make your own educated decision on what you do under your hood.įirst we’ll get in to the terms (in bold) and their meanings and how they relate to the products you are buying, so as you read this article or any others on the inter-webs, you’ll have a much better grasp on what you’re looking at. You’ll notice in the title of this blog, we say everything you need to know versus what we want you to hear, or what our opinion is.

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