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GM GENUINE PARTS

GM Genuine Parts 172-2777 (84089034) Front Driver Side Disc Brake Caliper Assembly

  • Based on 171 reviews
Condition: New
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Availability: Only 3 left in stock, order soon!
Fulfilled by World Parts Direct
Arrives Oct 22 – Oct 26
Order within 2 hours and 27 minutes
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Features

  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies

Description

ACDelco GM Original Equipment Disc Brake Calipers are hydraulic components mounted over the brake rotor. The caliper acts as a clamp to press the brake pads against the brake rotor when the brakes are applied. These original equipment disc brake calipers have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Brand Name: GM GENUINE PARTS


Model Number: 172-2777


UPC: 808709542001


Manufacturer: ACDelco


Global Trade Identification Number: 01


OEM Equivalent Part Number: 84089034


Included Components: Brake Caliper Assembly


Item Type Name: Brake Caliper Assembly


Unit Count: 1.0 Count


Manufacturer Part Number: 84089034


Manufacturer Warranty Description: 24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please seefor more details.


Auto Part Position: Front


Item Weight: 8.61 Pounds


Color: Multi


Exterior Finish: Machined


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Oct 22 – Oct 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

    • Great caliper!
Great caliper that has a bunch of different vehicle applications. Big brake brembos at a reasonable price. I just wish they could remove the Cadillac and powder coat them in red.
Reviewed in the United States on March 9, 2025 by Michael B.
    • Also a straight bolt on upgrade for C4 Corvettes.
Review Image by TenchiFreak5
Review Image by TenchiFreak5
Review Image by TenchiFreak5
Like the previous review for the C5 owner, I was curious about this for a C4 since the calipers are so cheap (barely any more expensive than the adapter brackets to do the C5 upgrade which is barely better than the C4 J55 brakes) and I was having clearance issues with the C5 one. Because of where they mount in relation to the knuckle vs on a C5/C6 I had to do minor filing if the inside of the rotor hat, they needed to be spaced out from the knuckle to center on the rotor (I used YFS CDC14060-8 Grade 12.9 socket cap bolts) and wheel clearance will be extra particular (they fit my OEM C5 Z06 18x10.5 58mm offset wheels), and instead of the C6 Z06 14" rotors I had to use the Powerstop C6 Z51 13.4" brake rotors (which aligns near perfectly with the brake pad area). All told a pretty good upgrade in style/feel that's barely any heavier than the stock J55 setup and actually about a pound lighter per side than the C5 calipers with the C5 adapter bracket and C6 J55 rotors. ... show more
Reviewed in the United States on February 9, 2024 by TenchiFreak5
    • Great upgrade for my C5 Corvette
Review Image by Sam McLean
Review Image by Sam McLean
Review Image by Sam McLean
This caliper, matched to its twin on the other side, both mount to the C5 knuckles perfectly. Matched with some C6 Z06 rotors, throw alittle paint on them and boom you have a perfect budge OE brembo kit. Supper happy with the results.
Reviewed in the United States on August 8, 2022 by Sam McLean
    • Gr86
Review Image by Gr86 Break swap
I did a break swap for my Gr86, and it went smoothly… no fitment problem but I did have to get a bracket/adaptor from Ctsv so it could mount on properly…. Running 12.6in rotors but I think anywhere from 12.6-12.8 will do the trick for these.
Reviewed in the United States on September 28, 2023 by Gr86 Break swap
    • perfect
Review Image by Ashley kozlov
new perfect ,
Reviewed in the United States on June 12, 2024 by Ashley kozlov
    • ATS Swap
Review Image by Andres
Review Image by Andres
Review Image by Andres
I used this caliper for the Cadillac ATS Swap on my GR86. It's not ment for my car but with the proper kit from CTS-V Brake Swap website. They fit no issue.
Reviewed in the United States on August 4, 2023 by Andres
    • As advertised, does not come with hardware
Just the calipers. They don't come with anything else. Other comments on here saying that they do mine did not.
Reviewed in the United States on October 7, 2023 by Chris D.
    • These are Brand new Factory Brembo calipers.
One caliper arrived in a plain beat-up box. The other one which was on a month long back-order came in a factory sealed AC Delco box. They come without pads or pad hardware.
Reviewed in the United States on November 16, 2022 by Rick H

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