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Comfort First Gm Hydroboost Assembly, 2011 Lml Trial Pack [iaowdZSt]

$62.99 $201.99 -69%

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

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Comfort First Gm Hydroboost Assembly, 2011 Lml Trial Pack [iaowdZSt]

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

What Our Customers Say

January 16, 2026

Absolutely no complaints!

I'm so happy with my recent online order.

- Ashley X..

January 16, 2026

Absolutely no complaints!

This is a very good and useful tool.

- Sheri L..

January 16, 2026

Absolutely no complaints!

I'm happy with my fantastic item.

- Jeannette L..

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