GM Hydroboost Assembly 19371361

GM Hydroboost Assembly, 2011 LML

Part# ‍19371361

$517.37

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2011 Chevy Silverado/GMC Sierra 2500HD/3500HD LML Duramax Diesel

Replace your leaking power brake hydro booster and restore braking power with this genuine GM replacement. These boosters connect the brake pedal apply system to the master cylinder. The brake booster is a force multiplier that causes additional force to be applied to the master cylinder for additional braking power.

Replaces Part#:

  • GM 20940394
  • ACDelco 178-1036

Customer Reviews

Based on 7 reviews
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Austin Seibold
Good part install wasnt too bad honestly

Good part install wasnt too bad honestly.did get a new foam gasket with it just incase. Did not have to drill the hole out for my lly upgrade. It bolted together perfect! Haven't got to drive it yet due to upgrading the gear box and power steering pump. I did find you can buy this part other places for cheaper but this one is atleast cheaper than the lly one. And glyour getting it from a good company!

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Anonymous
Made of world of difference on my LBZs steer and brakes

Made of world of difference on my LBZs steer and brakes. I had a squeal turning at slow speeds or from a stop and this fixed it. Easy install, well worth the money.

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Rob Finch
Works and fit

Works and fit perfectly

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T.S.

Bought this to replace the one on my 03, easy install and pleasantly surprised with better steering and braking.

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Mike Haworth
changed into my LLY...

works great. nice to have a solid brake. Connections lined up and the install was pretty straight forward.

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