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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🚦 Boost Your Brake Game — Stop Confidently, Drive Boldly!

EFFORTLESS INSTALLATION - Designed to reuse original mounting hardware, making your brake booster swap quick and hassle-free.
CONFIDENCE BACKED PURCHASE - Enjoy peace of mind with a 12-month guarantee, because your safety deserves nothing less.
RUGGED CAST IRON DURABILITY - Engineered with premium cast iron to withstand the toughest driving conditions and ensure long-lasting performance.
RELIABLE HYDRAULIC POWER BOOST - Experience enhanced braking responsiveness and safety with advanced hydraulic power brake technology.
PRECISION FIT FOR ICONIC TRUCKS - Seamlessly compatible with Chevy Avalanche, Silverado, Sierra, Yukon XL models from 2003-2007—upgrade without compromise.

The 52-7371 Hydro-Boost Power Brake Booster by PartsFlow is a heavy-duty, cast iron hydraulic brake booster designed for select Chevy and GMC trucks from 2003 to 2007. It features a precise 10x1.5 master cylinder stud thread size and fits multiple models including Avalanche, Silverado, Sierra, and Yukon XL. This booster ensures enhanced braking power and durability, installs easily using existing hardware, and comes with a 12-month warranty for reliable performance.

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TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Great price for an authentic product. Fast international shipping too!

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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

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 -Hydraulic Brake Booster 15167550

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