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Brake Master Cylinder

Name: Brake Master Cylinder
Brand: GM Genuine Parts
SKU: 85008638
Availability: InStock
Rating: 4.9 (12847 reviews)

Authorized Dealer

Brake Master Cylinder

BrandGM Genuine PartsLearn More

Qty/Vehicle1

ConditionNew

Includes: (1) Power Brake Booster with Brake Master Cylinder, Hardware

$000

•In Stock•Fast Shipping

Estimated Delivery by calculating...

Calculating shipping time...

Ships to

Product Specifications

Features & Benefits

•Direct OE fit - no modifications needed
•Meets or exceeds manufacturer specs
•24-month warranty included
•Fast Shipping — ships same day before 3 PM ET

BrandGM Genuine Parts

Part Number85008638

Part TypePower Brake Booster with Brake Master Cylinder

ConditionNew

Grade TypeStandard

Features Benefits - Bullet 1Allows the driver to not exert as much pressure on the brake pedal

Compatibility

Vehicle Compatibility

Guaranteed to fit 0 vehicles from Infinity--Infinity

No compatibility data available

Frequently Asked Questions

We're always here to help. If you can't find your answer, ask Rydon - our AI assistant will help you out.

What vehicles does this Power Brake Booster with Brake Master Cylinder fit?

This GM Genuine Parts Power Brake Booster with Brake Master Cylinder (Part #85008638) fits specific vehicles. Use the compatibility checker on this page to verify fitment for your vehicle.

Is this an OEM or aftermarket part?

This is a premium aftermarket Power Brake Booster with Brake Master Cylinder by GM Genuine Parts, designed to meet or exceed OEM specifications with strict quality control standards.

What warranty is included?

This GM Genuine Parts Power Brake Booster with Brake Master Cylinder is backed by a 24-month limited warranty covering defects in materials and workmanship from date of purchase.

How long does shipping take?

Fast shipping — orders before 3 PM ET ship the same day. Most arrive within 3-5 business days.

Can I return this if it does not fit?

30-day money-back guarantee. Return unused parts in original packaging for full refund.

Compatibility

Vehicle Compatibility

Guaranteed to fit 0 vehicles from Infinity--Infinity

No compatibility data available

Product Specifications

Brand

GM Genuine Parts

Part Type

Power Brake Booster with Brake Mast...

Features Benefits - Bullet 1

Allows the driver to not exert as m...

Features Benefits - Bullet 3

Some GM Genuine Parts may have form...

Part Number

85008638

Grade Type

Standard

Features Benefits - Bullet 2

Helps restore brake power and perfo...

Features Benefits - Bullet 4

GM Engineers design and validate OE...

Grade TypeStandard

Features Benefits - Bullet 1Allows the driver to not exert as much pressure on the brake pedal

Features Benefits - Bullet 2Helps restore brake power and performance

Features Benefits - Bullet 3Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Features Benefits - Bullet 4GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

Features Benefits - Bullet 5Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type

Features Benefits - Bullet 6GM regularly updates production and service part designs to integrate new materials and technologies

Product DescriptionGM Genuine Parts Brake Boosters with Brake Master Cylinders are designed, engineered, and tested to rigorous standards, and are backed by General Motors. The brake booster and the brake master cylinde

Programming RequiredYes

Check if this fitsShop worry-free by verifying fitment first. If the part doesn't fit, we'll make it right or refund you. Learn more

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Brake Master Cylinder

Authorized Dealer

Call for Price

888-477-2530

Our parts specialists are ready to help you find the best price.

Part #:85008638

Call 888-477-2530 for Price

OE REPLACEMENT

Brake Master Cylinder

Part #:85008638

Power Brake Booster with Brake Master Cylinder

Call for Price

888-477-2530

Our parts specialists are ready to help you find the best price.

Quantity:

In Stock10 or more available

Fast delivery between Mon, Jun 22 to Mon, Jun 22

Ships To:

Call 888-477-2530 for Price

Key Features

OEM-Equivalent QualityMeets/exceeds factory specs

American BusinessMaryland since 1986

24-Month WarrantyLimited coverage on every part

Fast Same Day ShippingWe ship all orders the same business day before cutoff

Product Specs

BrandGM Genuine Parts

Part Number85008638

Part TypePower Brake Booster with Brake Master Cylinder

ConditionNew

Grade TypeStandard

Features Benefits - Bullet 1Allows the driver to not exert as much pressure on the brake pedal

Features Benefits - Bullet 2Helps restore brake power and performance

Features Benefits - Bullet 3Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Compatibility

Vehicle Compatibility

Guaranteed to fit 0 vehicles from Infinity--Infinity

No compatibility data available

Questions & Answers

Have a Question?

Ask Marvin, our Car Expert

Things to Know

WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which are known to the State of California to cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts

Check if this fits your car first

Brake Master Cylinder

Brake Master Cylinder

Product Specifications

Compatibility

Vehicle Compatibility

Frequently Asked Questions

Compatibility

Vehicle Compatibility

Product Specifications

Brake Master Cylinder

Brake Master Cylinder

Key Features

Product Specs

Compatibility

Vehicle Compatibility

Questions & Answers

Things to Know

24 Month Warranty

30 Day Returns

Fast Same Day Shipping

About This Power Brake Booster with Brake Master Cylinder

Key Features

Signs This Part Needs Replacement

GM Genuine Parts

Installation Guide

Tools Needed

Frequently Asked Questions