Will this Power Brake Booster fit Chevrolet Silverado 1500 ?

Yes, it fits Chevrolet/GMC. Specific models can be viewed at five points.

How can I test my hydraulic booster?

A hydraulic booster can be tested just like a vacuum booster. With the engine off, pump the brake pedal until you feel firm resistance, then hold. Start the engine. Proper operation should result in the brake pedal slightly sinking.

Will I need to retain my master cylinder pushrod?

Yes, the master cylinder pushrod, spring and retainer will need to be retained and reused on the replacement hydraulic booster.

Will I need to bleed my power steering system after installation?

Yes, since the power steering lines have been removed, the system has been subjected to air. The power steering system will need to be bled using the O.E. bleeding procedure.

What type of fluid does a hydraulic booster require?

As part of the power steering system, hydraulic boosters require O.E. power steering fluid.

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52-7371 Hydro-Boost Power Brake Booster Compatible with Chevy Avalanche Silverado Sierra 1500 2500 3500 2003-2006 GMC Sierra 1500 2500 3500 Yukon XL 2500 2003-2007 Hydraulic Brake Booster 15167550

52-7371 Hydro-Boost Power Brake Booster Compatible with Chevy Avalanche Silverado Sierra 1500 2500 3500 2003-2006 GMC Sierra 1500 2500 3500 Yukon XL 2500 2003-2007 Hydraulic Brake Booster 15167550

Product ID: 522694374

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📏Fits 2003-2007 Chevy & GMC models

⚙️Cast iron durability

🛠️Direct OEM replacement

Description

🚗 Boost your braking power, own the road with confidence!

PRECISION FITMENT - Engineered to seamlessly fit a wide range of Chevy Avalanche, Silverado, Sierra, and Yukon XL models from 2003-2007.
UNMATCHED DURABILITY - Crafted from rugged cast iron for long-lasting performance under pressure.
CONFIDENCE GUARANTEED - Backed by a 12-month warranty, so you can brake with absolute peace of mind.
OEM GRADE REPLACEMENT - Replaces multiple OEM part numbers ensuring hassle-free installation and perfect compatibility.
EFFORTLESS INSTALLATION - Designed for easy swap using existing mounting hardware—get back on the road faster.

The 52-7371 Hydro-Boost Power Brake Booster by PartsFlow is a heavy-duty, cast iron brake booster designed as a direct OEM replacement for select 2003-2007 Chevrolet and GMC trucks and SUVs. It ensures reliable braking performance, easy installation using existing hardware, and comes with a 12-month warranty for professional-grade peace of mind.

Specifications

Manufacturer	PartsFlow
Brand	PartsFlow
Item Weight	15.97 pounds
Product Dimensions	17.91 x 8.66 x 10.43 inches
Manufacturer Part Number	PF912552
OEM Part Number	52-7371, 527371, 15167550, 15183760, 15212480, 15814411

Reviews

J**E

Just as described

Received and installed yesterday, fit well, did not leak once installed, and seems to work well. It was very well packaged and the paint on the part seems good. Overall happy with the purchase so far, we will see it continues to work well.... if not I will update the review.

10.01.2025

K**S

Aftermarket product at its best

Great great product at the fraction of the price of an OEM one but all the specs were the same had no issues with it. Very very satisfied. I would highly recommend this product.

27.08.2025

A**R

Does its job well

Fit perfectly, been functioning great for a few months now.

7.03.2025

A**X

When when scrolling to find the product. It was easy to find what I needed. Was very informative.

Perfect fit for my truck.

5.02.2025

D**.

Quality part

Quality part, very clean inside and out. Work perfectly. Great price as well.

25.11.2024

P**Z

Se instala fs

Es bueno y de calidad

7.07.2025

S**4

Junk. Absolute Junk.

The media could not be loaded. This thing is a piece of junk. On my truck less than 2 weeks. And it blew apart. Conveniently at the car dealership. Do not buy! If I could give this a zero I would.

1.07.2025

R**E

Master cylinder plunger

The part worked fine the only thing it doesn’t come with the master cylinder plunger wasn’t bad to change over from old power boost

15.04.2024

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