Will this void my warranty?

Will using 'aftermarket' or recycled parts void my warranty?
No. An 'aftermarket' part is a part made by a company other than the vehicle manufacturer or the original equipment manufacturer. A 'recycled' part is a part that was made for and installed in a new vehicle by the manufacturer or the original equipment manufacturer, and later removed from the vehicle and made available for resale or reuse. Simply using an aftermarket or recycled part does not void your warranty. The Magnuson-Moss Warranty Act makes it illegal for companies to void your warranty or deny coverage under the warranty simply because you used an aftermarket or recycled part. The manufacturer or dealer can, however, require consumers to use select parts if those parts are provided to consumers free of charge under the warranty.

Still, if it turns out that the aftermarket or recycled part was itself defective or wasn't installed correctly, and it causes damage to another part that is covered under the warranty, the manufacturer or dealer has the right to deny coverage for that part and charge you for any repairs. The FTC says the manufacturer or dealer must show that the aftermarket or recycled part caused the need for repairs before denying warranty coverage.
(source : https://www.consumer.ftc.gov/articles/0138-auto-warranties-routine-maintenance#will)

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UNDERSTANDING THE MAGNUSON-MOSS WARRANTY ACT
The Magnuson-Moss Warranty Act is the federal law that governs consumer product warranties. Passed by Congress in 1975, the Act requires manufacturers and sellers of consumer products to provide consumers with detailed information about warranty coverage. In addition, it affects both the rights of consumers and the obligations of warrantors under written warranties.

To understand the Act, it is useful to be aware of Congress' intentions in passing it. First, Congress wanted to ensure that consumers could get complete information about warranty terms and conditions. By providing consumers with a way of learning what warranty coverage is offered on a product before they buy, the Act gives consumers a way to know what to expect if something goes wrong, and thus helps to increase customer satisfaction.

Second, Congress wanted to ensure that consumers could compare warranty coverage before buying. By comparing, consumers can choose a product with the best combination of price, features, and warranty coverage to meet their individual needs.

Third, Congress intended to promote competition on the basis of warranty coverage. By assuring that consumers can get warranty information, the Act encourages sales promotion on the basis of warranty coverage and competition among companies to meet consumer preferences through various levels of warranty coverage.

Finally, Congress wanted to strengthen existing incentives for companies to perform their warranty obligations in a timely and thorough manner and to resolve any disputes with a minimum of delay and expense to consumers. Thus, the Act makes it easier for consumers to pursue a remedy for breach of warranty in the courts, but it also creates a framework for companies to set up procedures for resolving disputes inexpensively and informally, without litigation.

(source : https://www.ftc.gov/tips-advice/bus...sons-guide-federal-warranty-law#Magnuson-Moss)

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This aspect of warranty coverage has a great deal of gray area. Although many dealers would have you think otherwise, simply having an aftermarket part or modifying your vehicle cannot void your warranty.

Some dealerships may say, for example, that just because you have a performance part such as a cold air intake on the car that the whole vehicle warranty is void, says Loren Wong, a car enthusiast and a former warranty administrator for BMW and Acura. "That's not true," he says.

The saving grace for consumers is the Magnuson-Moss Warranty Act of 1975. The Magnuson-Moss Warranty Act states that a dealer must prove that aftermarket equipment caused the need for repairs before it can deny warranty coverage.

However, if the reason for a parts failure is unclear, a dealer will usually charge you to diagnose the vehicle. If the aftermarket part was not properly installed or a modification led to a component failure, it is within the dealer's right to void the warranty for that part, and you will have to pay for the repairs out of pocket. If the aftermarket parts had nothing to do with the repairs in question, you will be refunded the fee for the diagnosis.

(source : https://www.edmunds.com/auto-warranty/what-voids-your-vehicles-warranty.html)

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AMSOIL guarantees the performance of its products, so you can be confident they perform as advertised. AMSOIL introduced the world’s first API-qualified synthetic motor oil and has since introduced a full line of industry firsts. For more than 40 years, AMSOIL synthetic lubricants have proven themselves in the lab, on the racetrack and on the highway.

(source : https://www.amsoil.com/about/guarantee.aspx)

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