ACDelco Silver 18A816A Front Disc Brake Rotor

Curated from 68 real Reddit conversations

Refreshed on: February 15, 2025

ACDelco Silver 18A816A Front Disc Brake Rotor

Brand: ACDelco
Price: $22
Snoop Score:
3.9
Sentiment
6.0
Popularity
2.4
Technical
3.8

Snoop's Take

The ACDelco Silver 18A816A Front Disc Brake Rotor is designed to provide reliable braking performance for General Motors vehicles and many other makes and models. Featuring a rotor diameter of 10.94 inches and constructed with multiple alloys for improved heat dissipation, this rotor is engineered to enhance your vehicle's braking efficiency. Consumer feedback highlights the reliability of ACDelco parts, with many users stating, "I am planning on buying OE pads... but, for the rotors, I am planning on getting aftermarket." However, some concerns were raised about drilled rotors cracking under high-stress conditions, suggesting that users should avoid those types. Many recommend sticking with OEM options for better durability and performance. Overall, the ACDelco Silver Front Disc Brake Rotor is recommended for those looking for dependable and economical braking solutions, particularly for GM vehicles, as it balances quality and price effectively.

Not for you? Check out our other rated Rotors

this is the one part I would go for the OEM non-rusting version as someone else has indicated.

Positive Feedback

Do not get drilled rotors, they WILL crack under track conditions prematurely.

Negative Feedback
Product
3.9
ACDelco Silver 18A816A Front Disc Brake Rotor
Daily Commuting
5 / 10
Performance Upgrades
4 / 10
OEM Replacement
5 / 10
Safety and Reliability
5 / 10
See how this compares to all Rotors

What it does well!

Key strengths users can’t stop talking about.
OEM rotors offer rust-free options
this is the one part I would go for the OEM non-rusting version as someone else has indicated.
ACDelco parts are reliable for GM vehicles
I am planning on buying OE pads... but, for the rotors, I am planning on getting aftermarket.
ACDelco Professional pads and rotors are recommended for quality
I'm not rich, but don't mind paying for quality parts that are well-built.

Where it needs some work!

Areas to watch—feedback on possible improvements.
Drilled rotors crack prematurely under high stress
Do not get drilled rotors, they WILL crack under track conditions prematurely.
Your rotors aren’t the problem… they will be though if you decide to go with slotted and drilled.
From personal experience - don’t get slotted rotors and don’t get drilled rotors.
GiroDisc 2 piece rotors. Excellent weight saving and stopping power.

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Core Power Plays

The specs and strengths that make it shine.
Discussion on brake pads and fluid impact
what are your pads and what is your fluid?
Modern rotors are thinner and lighter due to fuel efficiency standards
Always plan on replacing the rotors when changing worn out brake pads on a modern car.
Discussion on brake noise and maintenance solutions
I discovered that gently squeezing the rotor with a rag and dragging it along produces the same squealing noise.
Finally gave up and bought a new bike.
You sure your calipers aren't leaking?
I had the same problem where they squeaked for 'no reason', but swapped over a new calliper, new pads and cleaned the rotors and the sound went away immediately.
Discussion on slotted vs smooth rotors
I went with slotted and went back to smooth and feel they work better.
Differences in quality between OE and offshore rotors
The difference in OE to offshore rotors can by massive.

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Cost-effectiveness of resurfacing rotors debated
They are just so inexpensive, especially compared to the labor cost of swapping them out.
Discussion on the value of OEM parts versus aftermarket options.
The ACDelco gold rotors are about half the cost, but are listed under the maximum rust protection tab in rockauto.
Consideration of warranty benefits when purchasing from GM dealers.
it makes no sense to pay the OEM unless you buy it directly from GM parts or dealer so you also get the warranty.
The importance of warranty duration for rotors
I would avoid ACDelco.
Mixing brands of rotors and pads is acceptable
The rotors don't have feelings, they don't care what brand pads you use.
Are you buying them for looks? Because you certainly don't need them for normal city driving. The ro
Recommendation against drilled or slotted rotors for street driving
ditch anything drilled or slotted.
Don't buy drilled or slotted rotors for street driving.
Concerns about shipping charges for heavy parts like rotors
You can get quality parts but since rotors are so heavy you are looking at some serious shipping charges.
Advice to shop locally for heavy wear parts like brakes
For wear parts like brakes I shop locally though.
It's worth the extra $ to be able to be able to swap at the counter when they wear out.

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Experience with coated rotors in rust areas
the coated ones are the only way here.
Feedback on other brands of rotors
People dog on them but power stop rotors have been great for me.
Napa’s brand has worked well for me on my 07.
Discussion on the effectiveness of rust-free rotors
Dealers and others seem to assume you want the ones that rust or they just don't know how to get the FNC rotors, lol.
Brakes are brakes, use what you want to spend.
Variation in quality of parts available online
Regardless of where you buy, make sure you're getting quality parts.

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