Genuine Parts vs. Aftermarket
Buyer’s Guide
Genuine Parts vs. Aftermarket
Genuine Honda parts are made to your vehicle’s exact factory specs and backed by Honda’s own warranty; aftermarket parts are made by outside manufacturers and vary widely in fit and quality. And no — choosing aftermarket parts does not automatically void your Honda’s warranty. Federal law says otherwise.

OEM vs. Aftermarket at a Glance
Genuine Honda Parts
- Engineered to exact factory fit, form, and function
- Backed by Honda’s own parts warranty
- No guesswork on compatibility with your specific trim and model year
- Typically priced higher than aftermarket equivalents
Aftermarket Parts
- Made by third-party manufacturers, not Honda
- Quality ranges from excellent (CAPA-certified) to poor — brand matters
- Usually cheaper, sometimes significantly so
- Fit and finish can vary between brands and even production runs
Does Using Aftermarket Parts Void My Honda’s Warranty?
No — and this is one of the most persistent myths in car ownership.
The law: The federal Magnuson-Moss Warranty Act (in effect since 1975) prohibits manufacturers and dealers from voiding your vehicle’s warranty simply because you used an aftermarket part. To deny a claim, they have to prove that specific part actually caused the failure — not just that it isn’t OEM.
The FTC has enforced this directly. In 2018, the FTC sent warning letters to several major automakers, including BMW, Ford, and Hyundai, over warranty language that implied aftermarket parts alone could void coverage — language the FTC said violated federal law.
The nuance: most routine items — oil filters, brake pads, wiper blades — that meet manufacturer spec don’t put your warranty at risk. Where it gets real is performance modifications: if an aftermarket turbo or engine tune actually causes a drivetrain failure, that specific claim can be denied. The burden of proof is always on the dealer, not on you.
Sources: Magnuson-Moss Warranty Act overview · FTC enforcement history
When Genuine Parts Make the Most Sense — and When Aftermarket Can Work
Stick With Genuine Honda Parts For…
- Safety-critical components — brakes, airbags, steering, and suspension
- Anything still covered under your factory or CPO warranty
- Engine and drivetrain internals, where exact tolerances matter most
- Recalls and manufacturer service bulletins
Aftermarket Can Be a Reasonable Choice For…
- Wear items like wiper blades, cabin air filters, and floor mats
- Older, out-of-warranty vehicles where cost matters more
- CAPA-certified body parts, which meet independent quality standards
- Cosmetic accessories that don’t affect how the vehicle performs
How to Order Genuine Parts Online
Skip the guesswork on fit and compatibility — order directly from Napleton Honda of Morton Grove’s parts counter.

Find Your Part
Visit our parts order page and search by part name or your vehicle’s VIN for a guaranteed match.
Submit Your Request
Add the part to your request and submit it — our parts team confirms availability and pricing directly with you.
Pick Up or Ship
Choose in-store pickup at our Morton Grove parts counter, or have it shipped to your door.
Frequently Asked Questions
Does using aftermarket parts void my Honda’s warranty?
No. The Magnuson-Moss Warranty Act prohibits manufacturers from voiding your warranty simply because you used an aftermarket part. They can only deny a specific claim if they prove that part caused the failure.
Are aftermarket parts as good as genuine Honda parts?
It depends on the brand and part. CAPA-certified aftermarket parts meet independent quality and safety standards, but quality varies widely across manufacturers. Genuine Honda parts are made to exact factory specs with no compatibility guesswork.
What is CAPA certification?
CAPA (Certified Automotive Parts Association) is an independent nonprofit that tests aftermarket collision parts for fit, quality, and safety. A CAPA-certified part has passed testing comparable to OEM standards, which sets it apart from uncertified aftermarket parts.
Should I use aftermarket parts for routine maintenance?
For basic wear items like wiper blades or cabin air filters, aftermarket parts that meet spec are generally fine. For anything safety-critical or still under warranty, genuine Honda parts remove the guesswork and keep your coverage straightforward.
Skip the guesswork. Order genuine Honda parts online from Napleton Honda of Morton Grove, or schedule service with our team.