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ACDelco

ACDelco GM Original Equipment 178-0683 Power Brake Booster Assembly

  • Based on 98 reviews
Condition: New
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$533.77 Why this price?

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This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: Only 3 left in stock, order soon!
Fulfilled by MISAF
Arrives Jul 5 – Jul 11
Order within 21 hours and 16 minutes
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Features

  • Restores brake power and performance
  • GM-recommended replacement part for your GM vehicles original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function

Description

ACDelco GM Original Equipment 178-0683 Power Brake Booster Assembly

Manufacturer: ‎ACDelco


Brand: ‎ACDelco


Model: ‎Power Brake Booster


Item Weight: ‎13.4 pounds


Product Dimensions: ‎20.62 x 12.62 x 10.25 inches


Item model number: ‎178-0683


Is Discontinued By Manufacturer: ‎Yes


Exterior: ‎Machined


Manufacturer Part Number: ‎178-0683


OEM Part Number: ‎15854059


Date First Available: October 10, 2007


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jul 5 – Jul 11

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.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Worked for My 2007 LBZ Duramax
Put this on my 2007 GMC Sierra LBZ Duramax and it fit like a glove and so far has worked great!
Reviewed in the United States on February 20, 2023 by Spencer Savage
    • Replacement for 2004 Silverado 2500HD
Exact fit for OEM replacement on 2004 Silverado HD. No issues after replacement. No longer leaking.
Reviewed in the United States on July 31, 2023 by Cody Brock
    • Works like new again/ no more adding fluid
Put this into my 2003 Chevy suburban and the brake booster is now back to normal without leaking. I first tried using a seal kit rebuild and it failed. Working on things is not new to me and I did a real good job but the seals are old and dry in most seal kits from sitting on shelves for years. I recommend replacing the whole unit as the labor is not easy. Your have to work under your dash and you don't really want to be doing this twice. Once I put in the new AC Delco Brake Booster my problems went away. All good and it's been installed for 6 months now. Good luck. ... show more
Reviewed in the United States on February 14, 2021 by Doyle Zweygardt
    • New is the way to go!
After buying a rebuild kit for my original one, and watching it leak. Then installing two different rebuilt units, and watching both of them leak. I found this for only $60 more than the rebuilt ones. This comes completely assembled where the rebuilt ones have several frustrating parts you have to remove from the original booster and install on the replacement. The new unit is definitely how I would go if I had to start over. It has only been on a week and will update if it starts leaking. The rebuilt ones leaked the first day they were on, so I believe this one is going to be okay. ... show more
Reviewed in the United States on March 28, 2017 by Hicktacular
    • Exact fit.
Worked out great. No issues with it at all. Only thing i wish would be different is if they would offer a core refund.
Reviewed in the United States on January 3, 2021 by Travis F.
    • Great quality and nice shipping boxing.
Review Image by Wayne Wayne
Great quality and nice shipping boxing.
Reviewed in the United States on August 2, 2022 by Wayne Wayne
    • It works
Even though this is a prime item, it took 6 days to arrive, but the good news is that it worked. I got 2 remanufactured Hydroboost unites from parts stores before getting this new one. The remanufactured unites were as expensive as this one and did not work. When I would put on the brakes, the steering was basically locked up. Tried everything to get air out of the remanufactured ones and nothing worked. Bought this one and it worked like the original as soon as it was put on. Would definitely recommend buying this new unit over the remanufactured unites. The Remanufactured unites resulted in me not being able to use my truck for 2 weeks. This unit was put on a 2003 GMC 2500HD Duramax ... show more
Reviewed in the United States on August 11, 2018 by NM J h
    • I'm not sure why Amazon cannot do a better job when it comes to shipping heavy
The part I received is original AC Delco/GM. Unfortunately, it did not come with replacement o-rings for the supply and return ports so I had to make a trip to the local GM dealer for the O-rings. Thus I only gave it 4 stars rather than 5. The most difficult aspect of removing the old part and installing the new part was removing the 4 nuts inside the firewall, under the dashboard. On my 2005 Suburban there is very little room to access the 4 nuts. Removing the nuts required a deep 15mm socket, a flexible u-joint on the socket and over 10" of extension. Search the internet for videos and you will find information on removing and installing a GM hydraulic brake booster. A second aspect of my 4 vs. 4 start rating relates to packaging... Bear in mind the part is heavy and there are bolts protruding from one end and the brake pedal rod protrudes from the other end. In addition the large rectangular mounting flange also creates a packing challenge. Add to all that, the fact that this is a hydraulic component and was tested with fluid at the factory so there could be residual fluid in the part when it's shipped. With that in mind, Amazon (or their supplier), did an okay job with packaging - not fabulous. The part was inside a plastic bag and was further wrapped and supported by a significant amount of brown paper packing material. The part arrived without damage but it was ever so close to breaking through the cardboard box. I'm not sure why Amazon cannot do a better job when it comes to shipping heavy, odd-shaped, parts. ... show more
Reviewed in the United States on July 2, 2015 by GLH

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