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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Brake Master Cylinder

PART#: 18M819
ACDelco

$107.69

In stock

Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2009BuickLaCrosseSuper5.3V8GASN/A
2009BuickLaCrosseCXL3.8V6GASN/A
2009BuickLaCrosseCX3.8V6GASN/A
2008BuickLaCrosseCXL3.8V6GASN/A
2008BuickLaCrosseCX3.8V6GASN/A
2008BuickLaCrosseSuper5.3V8GASN/A
2008BuickLaCrosseCXS3.6V6GASN/A
2008PontiacGrand PrixGXP5.3V8GASN/A | 4-Wheel ABS;
2008PontiacGrand PrixBase3.8V6GASN/A | 4-Wheel ABS;
2007BuickLaCrosseCX3.8V6GASN/A
2007BuickLaCrosseCXS3.6V6GASN/A
2007BuickLaCrosseCXL3.8V6GASN/A
2007PontiacGrand PrixGXP5.3V8GASN/A | 4-Wheel ABS;
2007PontiacGrand PrixGT3.8V6GASN/A | 4-Wheel ABS;
2007PontiacGrand PrixBase3.8V6GASN/A | 4-Wheel ABS;
2006BuickLaCrosseCXL3.8V6GASN/A
2006BuickLaCrosseCXS3.6V6GASN/A
2006BuickLaCrosseCX3.8V6GASN/A
2006PontiacGrand PrixGT3.8V6GASN/A | 4-Wheel ABS;
2006PontiacGrand PrixGXP5.3V8GASN/A | 4-Wheel ABS;
2006PontiacGrand PrixBase3.8V6GASN/A | 4-Wheel ABS;
2005BuickCenturyLimited3.1V6GASN/A | 4-Wheel ABS;
2005BuickCenturySpecial Edition3.1V6GASN/A | 4-Wheel ABS;
2005BuickCenturyCustom3.1V6GASN/A | 4-Wheel ABS;
2005BuickLaCrosseCXL3.8V6GASN/Aw/ ABS
2005BuickLaCrosseCXS3.6V6GASN/Aw/o ABS
2005BuickLaCrosseCX3.8V6GASN/Aw/ ABS
2005ChevroletImpalaLS3.8V6GASN/A | 4-Wheel ABS;
2005ChevroletImpalaSS3.8V6GASN/A | 4-Wheel ABS;
2005ChevroletImpalaBase3.4V6GASN/A | 4-Wheel ABS;
2005ChevroletImpalaPolice3.8V6GASN/A | 4-Wheel ABS;
2005ChevroletImpalaBase3.8V6GASN/A | 4-Wheel ABS;
2005ChevroletMonte CarloSS3.8V6GASN/A | Rear: Disc; 4-Wheel ABS;
2005ChevroletMonte CarloLS3.4V6GASN/A | Rear: Disc; 4-Wheel ABS;
2005ChevroletMonte CarloLT3.8V6GASN/A | Rear: Disc; 4-Wheel ABS;
2005ChevroletVentureLS3.4V6GASN/A
2005ChevroletVenturePlus3.4V6GASN/A
2005ChevroletVentureLT3.4V6GASN/A
2005PontiacGrand PrixGTP3.8V6GASN/A | 4-Wheel ABS;
2005PontiacGrand PrixBase3.8V6GASN/A | 4-Wheel ABS;
2005PontiacGrand PrixGT3.8V6GASN/A | 4-Wheel ABS;
2005PontiacGrand PrixGXP5.3V8GASN/A | 4-Wheel ABS;
2005PontiacMontanaBase3.4V6GASN/A
2004BuickCenturyCustom3.1V6GASN/A | 4-Wheel ABS;
2004BuickCenturyLimited3.1V6GASN/A | 4-Wheel ABS;
2004BuickRegalLS3.8V6GASN/A | 4-Wheel ABS;
2004BuickRegalGS3.8V6GASN/A | 4-Wheel ABS;
2004ChevroletImpalaBase3.4V6GASN/A | 4-Wheel ABS;
2004ChevroletImpalaPolice3.8V6GASN/A | 4-Wheel ABS;
2004ChevroletImpalaLS3.8V6GASN/A | 4-Wheel ABS;
2004ChevroletImpalaSS3.8V6GASN/A | 4-Wheel ABS;
2004ChevroletImpalaBase3.8V6GASN/A | 4-Wheel ABS;
2004ChevroletMonte CarloLS3.4V6GASN/A | Rear: Disc; 4-Wheel ABS;
2004ChevroletMonte CarloSS3.8V6GASN/A | Rear: Disc; 4-Wheel ABS;
2004ChevroletVenturePlus3.4V6GASN/A
2004ChevroletVentureLT3.4V6GASN/A
2004ChevroletVentureLS3.4V6GASN/A
2004OldsmobileSilhouettePremiere3.4V6GASN/A
2004OldsmobileSilhouetteGL3.4V6GASN/A
2004OldsmobileSilhouetteGLS3.4V6GASN/A
2004PontiacGrand PrixGT23.8V6GASN/A | 4-Wheel ABS;
2004PontiacGrand PrixGT13.8V6GASN/A | 4-Wheel ABS;
2004PontiacGrand PrixGTP3.8V6GASN/A | 4-Wheel ABS;
2004PontiacMontanaBase3.4V6GASN/A
2003BuickCenturyCustom3.1V6GASN/A | 4-Wheel ABS;
2003BuickRegalLS3.8V6GASN/A | 4-Wheel ABS;
2003BuickRegalGS3.8V6GASN/A | 4-Wheel ABS;
2003ChevroletImpalaLS Sport3.8V6GASN/A | 4-Wheel ABS;
2003ChevroletImpalaLS3.8V6GASN/A | 4-Wheel ABS;
2003ChevroletImpalaBase3.4V6GASN/A | 4-Wheel ABS;
2003ChevroletImpalaPolice3.8V6GASN/A | 4-Wheel ABS;
2003ChevroletImpalaBase3.8V6GASN/A | 4-Wheel ABS;
2003ChevroletMonte CarloSS Pace Car3.8V6GASN/A | 4-Wheel ABS;
2003ChevroletMonte CarloSS3.8V6GASN/A | 4-Wheel ABS;
2003ChevroletMonte CarloSS High Sport3.8V6GASN/A | 4-Wheel ABS;
2003ChevroletMonte CarloLS Competition3.4V6GASN/A | 4-Wheel ABS;
2003ChevroletMonte CarloLS Sport3.4V6GASN/A | 4-Wheel ABS;
2003ChevroletMonte CarloLS3.4V6GASN/A | 4-Wheel ABS;
2003ChevroletVentureLS3.4V6GASN/A
2003ChevroletVenturePlus3.4V6GASN/A
2003ChevroletVentureWarner Bros.3.4V6GASN/A
2003ChevroletVentureValue3.4V6GASN/A
2003ChevroletVentureLT3.4V6GASN/A
2003OldsmobileSilhouettePremiere3.4V6GASN/A
2003OldsmobileSilhouetteGL3.4V6GASN/A
2003OldsmobileSilhouetteGLS3.4V6GASN/A
2003PontiacGrand PrixGT3.8V6GASN/A | 4-Wheel ABS;
2003PontiacGrand PrixGTP3.8V6GASN/A | 4-Wheel ABS;
2003PontiacGrand PrixSE3.1V6GASN/A | 4-Wheel ABS;
2003PontiacMontanaBase3.4V6GASN/A
2002BuickCenturyCustom3.1V6GASN/A
2002BuickCenturyLimited3.1V6GASN/A
2002BuickRegalGS3.8V6GASN/A
2002BuickRegalLS3.8V6GASN/A
2002ChevroletImpalaLS3.8V6GASN/A | 4-Wheel ABS;
2002ChevroletImpalaBase3.4V6GASN/A | 4-Wheel ABS;
2002ChevroletImpalaBase3.8V6GASN/A | 4-Wheel ABS;
2002ChevroletMonte CarloSS 35th Anniversary Edition3.8V6GASN/A
2002ChevroletMonte CarloSS3.8V6GASN/A
2002ChevroletMonte CarloSS Dale Earnhardt Signature Edition3.8V6GASN/A
2002ChevroletMonte CarloLS3.4V6GASN/A
2002ChevroletVentureValue3.4V6GASN/A
2002ChevroletVenturePlus3.4V6GASN/A
2002ChevroletVentureLS3.4V6GASN/A
2002ChevroletVentureWarner Bros.3.4V6GASN/A
2002ChevroletVentureBase3.4V6GASN/A
2002ChevroletVentureLT3.4V6GASN/A
2002OldsmobileIntrigueGL3.5V6GASN/AExcept Active Brake Control
2002OldsmobileIntrigueGX3.5V6GASN/AExcept Active Brake Control
2002OldsmobileIntrigueGLS3.5V6GASN/AExcept Active Brake Control
2002OldsmobileSilhouettePremiere3.4V6GASN/A
2002OldsmobileSilhouetteGLS3.4V6GASN/A
2002OldsmobileSilhouetteGL3.4V6GASN/A
2002PontiacGrand PrixGT3.8V6GASN/A
2002PontiacGrand PrixGTP3.8V6GASN/A
2002PontiacGrand PrixSE3.1V6GASN/A
2002PontiacGrand PrixSE3.8V6GASN/A
2002PontiacMontanaBase3.4V6GASN/A
2001BuickCenturyLimited3.1V6GASN/A
2001BuickCenturyCustom3.1V6GASN/A
2001BuickRegalLS3.8V6GASN/A
2001BuickRegalGS3.8V6GASN/A
2001ChevroletImpalaBase3.4V6GASN/A | 4-Wheel ABS;
2001ChevroletImpalaBase3.8V6GASN/A | 4-Wheel ABS;
2001ChevroletImpalaLS3.8V6GASN/A | 4-Wheel ABS;
2001ChevroletMonte CarloSS3.8V6GASN/A
2001ChevroletMonte CarloLS3.4V6GASN/A
2001ChevroletVentureWarner Bros.3.4V6GASN/A
2001ChevroletVenturePlus3.4V6GASN/A
2001ChevroletVentureValue3.4V6GASN/A
2001ChevroletVentureLS3.4V6GASN/A
2001ChevroletVentureLT3.4V6GASN/A
2001OldsmobileIntrigueGX3.5V6GASN/AExcept Active Brake Control
2001OldsmobileIntrigueGLS3.5V6GASN/AExcept Active Brake Control
2001OldsmobileIntrigueGL3.5V6GASN/AExcept Active Brake Control
2001OldsmobileSilhouetteGLS3.4V6GASN/A
2001OldsmobileSilhouetteGL3.4V6GASN/A
2001OldsmobileSilhouettePremiere3.4V6GASN/A
2001PontiacGrand PrixSE3.1V6GASN/A
2001PontiacGrand PrixGTP3.8V6GASN/A
2001PontiacGrand PrixGT3.8V6GASN/A
2001PontiacGrand PrixSE3.8V6GASN/A
2001PontiacMontanaBase3.4V6GASN/A
2000BuickCenturyLimited3.1V6GASN/A
2000BuickCenturyCustom3.1V6GASN/A
2000BuickRegalLSE3.8V6GASN/A
2000BuickRegalLS3.8V6GASN/A
2000BuickRegalGS3.8V6GASN/A
2000BuickRegalGSE3.8V6GASN/A
2000ChevroletImpalaBase3.4V6GASN/A | 4-Wheel ABS;
2000ChevroletImpalaBase3.8V6GASN/A | 4-Wheel ABS;
2000ChevroletImpalaLS3.8V6GASN/A | 4-Wheel ABS;
2000ChevroletMonte CarloLS3.4V6GASN/A
2000ChevroletMonte CarloSS3.8V6GASN/A
2000ChevroletVentureLS3.4V6GASN/A
2000ChevroletVentureValue3.4V6GASN/A
2000ChevroletVenturePlus3.4V6GASN/A
2000ChevroletVentureLT3.4V6GASN/A
2000ChevroletVentureBase3.4V6GASN/A
2000ChevroletVentureWarner Bros.3.4V6GASN/A
2000OldsmobileIntrigueGL3.5V6GASN/Awithout Precision Control System Option
2000OldsmobileIntrigueGLS3.5V6GASN/Awithout Precision Control System Option
2000OldsmobileIntrigueGX3.5V6GASN/A
2000OldsmobileSilhouetteGLS3.4V6GASN/A
2000OldsmobileSilhouettePremiere3.4V6GASN/A
2000OldsmobileSilhouetteGL3.4V6GASN/A
2000PontiacGrand PrixSE3.8V6GASN/A
2000PontiacGrand PrixGTP3.8V6GASN/A
2000PontiacGrand PrixSE3.1V6GASN/A
2000PontiacGrand PrixGT3.8V6GASN/A
2000PontiacMontanaBase3.4V6GASN/A
1999BuickCenturyCustom3.1V6GASN/A
1999BuickCenturyLimited3.1V6GASN/A
1999BuickRegalLS3.8V6GASN/A
1999BuickRegalGS3.8V6GASN/A
1999OldsmobileIntrigueGLS3.5V6GASN/A
1999OldsmobileIntrigueGX3.5V6GASN/A
1999OldsmobileIntrigueGL3.5V6GASN/A
1999PontiacGrand PrixGT3.8V6GASN/A
1999PontiacGrand PrixSE3.1V6GASN/A
1999PontiacGrand PrixGTP3.8V6GASN/A
1999PontiacGrand PrixSE3.8V6GASN/A
1998PontiacGrand PrixSE3.1V6GASN/A
1998PontiacGrand PrixGTP3.8V6GASN/A
1998PontiacGrand PrixSE3.8V6GASN/A
1998PontiacGrand PrixGT3.8V6GASN/A
Product info

The ACDelco Brake Master Cylinder part number 18M819 is a top-quality replacement part that is compatible with Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This part is designed to provide superior brake performance and reliability, ensuring safe and smooth braking every time.

One of the key benefits of the ACDelco Brake Master Cylinder part is its high-quality construction, which is made to meet or exceed OEM specifications. It features a durable cast iron body and aluminum bore that are designed to withstand the high pressures and temperatures of modern braking systems. This ensures that the part will last longer and perform better than cheaper alternatives.

Another feature of the ACDelco Brake Master Cylinder part is its precise fit and easy installation. The part is designed to fit perfectly into your vehicle’s existing braking system, making the installation process quick and hassle-free. This means that you can get your vehicle back on the road and running smoothly in no time.

The ACDelco Brake Master Cylinder part is also highly versatile, making it suitable for a wide range of applications. Whether you need to replace a faulty master cylinder on your daily driver or upgrade the braking system in your high-performance vehicle, this part is an excellent choice.

Overall, the ACDelco Brake Master Cylinder part number 18M819 is a high-quality replacement part that offers superior performance, reliability, and versatility. If you want to ensure safe and smooth braking in your Buick, Chevrolet, Oldsmobile, or Pontiac vehicle, this is the part for you.

About ACDelco

When it comes to top-notch auto parts, one brand that stands tall is ACDelco. Popular for its commitment to quality and innovation, ACDelco has been a trusted name in the automotive industry. At Newparts.com, we're proud to offer a wide selection of ACDelco auto parts, including ACDelco spark plugs, ACDelco alternators, and ACDelco air filters, and other ACDelco parts, all at discounted prices.

ACDelco spark plugs are engineered to deliver exceptional performance and reliability, ensuring optimal engine operation and fuel efficiency. Whether you're cruising down the highway or navigating city streets, you can trust ACDelco spark plugs to keep your engine firing on all cylinders.

When it comes to power generation, ACDelco alternators are second to none. Designed to withstand the challenges of daily driving, ACDelco alternators deliver consistent power output to keep your vehicle's electrical systems running smoothly. With ACDelco alternators from Newparts.com, you can count on reliable performance mile after mile.

In addition to spark plugs and alternators, we also offer a range of ACDelco air filters to help keep your engine breathing clean, fresh air. ACDelco air filters are designed to trap dirt, dust, and other contaminants, preventing them from entering your engine and causing damage. With a high-quality ACDelco air filter from Newparts.com, you can enjoy improved engine performance and extended engine life.

At Newparts.com, we understand that getting the right parts quickly is essential. That's why we offer fast shipping on all ACDelco auto parts, so you can get back on the road with confidence. Plus, with our discounted prices, you can save big on the parts you need to keep your vehicle running smoothly. In case you want to purchase parts by phone, feel free to call us at 855-505-2886 and our customer service team will help you out. 

Whether you're in need of spark plugs, alternators, air filters, or any other ACDelco auto parts, Newparts.com has you covered. Shop our selection today and experience the quality and reliability of ACDelco for yourself.

Specifications
New
Bleeder Hoses IncludedYes
Brake Booster IncludedNo
Master Cylinder Bore Diameter1
Master Cylinder Cap IncludedYes
Master Cylinder MaterialAluminum
Mounting Bracket IncludedNo
Mounting Hole Quantity2
Port Quantity2
Primary Outlet Thread Diameter0.472
Pushrod IncludedNo
Reservoir IncludedYes
Secondary Outlet Thread Diameter0.393
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.

Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

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