AUTHORIZED ACDELCO DISTRIBUTOR · FLINT & FENTON, MI

ACDelco & OEM Parts: What You're Actually Buying

ACDelco is a General Motors parts brand offering both GM Original Equipment parts and GM-backed aftermarket options. We're an authorized ACDelco distributor, and between our Flint and Fenton counters, we've got more than 14,000 ACDelco part numbers to pull from.

What Being an Authorized ACDelco Distributor Actually Means

Being an authorized ACDelco distributor means access to ACDelco's full catalog — not just whatever a warehouse decided to put on the shelf. Between both stores, that's over 14,000 part numbers on hand today, with the rest of the ACDelco line available behind them. And when your part isn't one of those 14,000, we go find it: one Flint customer's five-star review describes a special-order part that arrived by 3pm the same day. Timing depends on the part and what's available, but tracking it down for you is what we do — hand us your VIN and we'll get started.

OEM vs. Aftermarket: What Actually Matters

"OEM" means Original Equipment Manufacturer — the part's made to the same spec as what came on your vehicle originally. "Aftermarket" means a different manufacturer made a part to fit that same spot.

Neither wins every time, and which one matters depends on what you're replacing. Swap your wipers or a cabin air filter with a trusted aftermarket option, and you likely won't notice the difference — and you'll pay less. When it's suspension or steering work, where fit and feel actually matter, we'll point you toward the line we trust for that job. And when your vehicle's still under warranty or the calibration has to be exact, OEM is usually the safer call. What actually worries us isn't OEM versus aftermarket — it's an unbranded part with no name behind it and no track record. That's the stuff we won't put on our shelves.

Ask at the counter and we'll point you to whichever one actually makes sense for the job — not whichever one rings up higher.

Frequently Asked Questions

What does "ACDelco" mean and who makes it?

ACDelco is General Motors' own parts brand — offering both GM Original Equipment parts and GM-backed aftermarket options for Chevrolet, GMC, Buick, Cadillac, and more.

Is ACDelco better than aftermarket parts?

Not a simple yes or no — ACDelco itself offers both GM Original Equipment parts and GM-backed aftermarket options, so it depends on which line you're getting, not just the brand name. For GM-specific components, the Original Equipment line is built to the exact original spec. For routine items like wipers or filters, an aftermarket option often does the job for less. Ask at the counter and we'll walk you through what fits what you're buying.

Does Brown & Sons only sell ACDelco?

Not at all. We go deep on ACDelco — 14,000+ part numbers — but our shelves also carry Monroe, MOOG, Wagner, Motorcraft, WIX, and more than twenty other trusted brands, across both Flint and Fenton. See all brands we carry →

What's the difference between OEM and aftermarket parts?

OEM parts are built to the exact spec your vehicle originally came with. Aftermarket parts are made by a different manufacturer to fit that same spot — quality and price vary by brand and part type.

Do ACDelco parts come with a warranty?

Many ACDelco parts include GM-backed limited warranty coverage, but terms vary by product and part line. Ask us at the counter for the specifics on whatever you're buying — we'll have the current terms right there.

Know what part you need? Give Flint a call at 810-238-3242 or Fenton at 810-215-6470 — bring your VIN and we'll have the right part confirmed before you even leave the house.

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