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Genuine, OEM and Aftermarket parts

Genuine Auto Parts VS OEM VS Aftermarket

If you’ve explored automotive replacement components, you’ve likely encountered terms like ‘genuine auto parts,’ OEM car parts, and aftermarket replacement parts. Many drivers tend to confuse these terms, lacking a clear understanding of the distinctions between them.

This guide will explain the differences and will hopfuly help you when you buy your auto parts.

The Development of Car Parts

Designing a car involves extensive engineering efforts. It goes beyond assembling an engine and fitting it into a chassis. When commissioning a new vehicle, engineers face the intriguing challenge of deciding whether to repurpose existing parts from other models—an approach not uncommon—or create entirely new components.

In either scenario, the car manufacturer must produce a specific quantity of parts. However, the challenge lies in the fact that most car manufacturers lack the infrastructure for mass-producing automobile parts. This responsibility is delegated to third-party contractors who already have established production lines.

Genuine Auto Parts

When car manufacturers procure components from third-party suppliers, these parts typically bear the logo of the car manufacturer. Such a component is referred to as a ‘genuine auto part.’ Genuine parts are manufactured in accordance with the original equipment manufacturer’s specifications, meeting all requirements and adhering to rigorous quality control standards.

It’s worth noting that the quality control processes and standards associated with genuine parts are formidable. The intention is for a genuine part to exhibit the same longevity as the component originally installed in your vehicle at the factory—essentially, they are one and the same. This stringent level of quality control is a primary reason why genuine parts often fall on the higher end of the price scale.

While you may be paying a premium, the upside includes a robust warranty and the assurance that your new part is on par with the one that may have failed after considerable use.

What are OEM Auto Parts?

When an car brand commissions the production of genuine replacement parts, the contract often includes the manufacturing of OEM parts. OEM parts are essentially identical to genuine parts but lack the specific car manufacturer’s logo. A notable example is the partnership between BMW and Lamfoerder.

In this collaboration, BMW contracts Lamfoerder to produce genuine parts while permitting Lamfoerder to market the exact same components under their own brand.

In terms of pricing, OEM parts generally come at a lower cost compared to genuine parts. This affordability is often attributed to the absence of the extended warranty that accompanies genuine parts. While OEM parts still come with some form of warranty, it may not be as comprehensive.

Opting for OEM parts for your vehicle doesn’t compromise its longevity or diminish the quality of car maintenance. Dealerships frequently utilize OEM replacement parts when genuine ones are unavailable during service appointments.

Rest assured that OEM products are more than capable of ensuring the reliable performance of your vehicle.

Aftermarket Car Parts

Finally, let’s explore the aftermarket sector of auto parts. This segment offers a diverse range of products, varying in quality. Aftermarket replacement parts have the potential to match OEM standards, fall below them, or, in rare instances, surpass the quality of OEM or genuine components.

Notable cases exist where genuine parts have been found to be subpar after years of use, prompting aftermarket manufacturers to step up and provide improved solutions. An illustrative example involves the intake manifold lever on M272 and M273 Mercedes engines. The original plastic component often failed over time, leading aftermarket companies like URO to develop superior aluminum intake manifold levers. Opting for an aluminum lever not only addresses the issue but also prevents its recurrence.

However, it’s crucial to note that aftermarket replacement parts come with risks. Due to the lack of consistent quality control, some aftermarket components may not meet even the most basic durability standards. Certain companies may compromise on materials to enhance competitiveness, potentially leading to premature part failure.

The key takeaway is to approach the aftermarket segment with caution. It is advisable to stick with reputable brands known for delivering quality. Resist the temptation of overly inexpensive replacement parts from unfamiliar companies. Even if a low-cost part appears to be constructed from decent materials, considerations such as tolerances and an acceptable margin of error should not be overlooked.

In essence, the adage holds true: you get what you pay for, and our aftermarket products are all supplied by the top, well respected, aftermarket suppliers.

 

What are the quality aftermarket car part brands?

If our discussion on aftermarket parts left you feeling disheartened, there’s no need to be discouraged. There are numerous reputable manufacturers in this category, and you may already be familiar with many of them. Brands like Bilstein or Bosch are noteworthy examples within the aftermarket realm. Bilstein, in particular, has a solid reputation, and you can trust them to provide high-quality suspension parts for your car.

The appeal of aftermarket parts extends beyond the potential for superior quality compared to OEM. It also offers a platform for personal expression in your vehicle. Consider silicone hoses as a prime example – available in a variety of colors, they allow you to add flair to your engine bay while enhancing the reliability of your system.

The aftermarket scene becomes even more captivating when exploring aesthetic upgrades such as diverse body kits, intricate trim details, and an array of other intriguing options.

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