Need expert help? Reach out to us via live chat MON-SAT, 9AM to 5PM ET, for support. Our specialists are ready to assist you!

Please, add your first item to the wishlist

Need expert help? Reach out to us via live chat MON-SAT, 9AM to 5PM ET, for support. Our specialists are ready to assist you!

Please, add your first item to the wishlist

Select vehicle to confirm fitment

Title

Brake Master Cylinder

PART#: 18M1159
ACDelco

$117.59

In stock

Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2002CadillacEscaladeBase5.3V8GASN/Aw/ Vacuum Booster
2002CadillacEscaladeBase6.0V8GASN/Aw/ Vacuum Booster
2002CadillacEscalade EXTBase6.0V8GASN/Aw/ Vacuum Booster
2002ChevroletAvalanche 1500Base5.3V8GASN/Aw/ Vacuum Booster
2002ChevroletAvalanche 1500North Face5.3V8GASN/Aw/ Vacuum Booster
2002ChevroletAvalanche 1500On Road Edition5.3V8GASN/Aw/ Vacuum Booster
2002ChevroletAvalanche 1500Z715.3V8GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500LT4.8V8GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500WT4.8V8GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500LT5.3V8FLEXN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500WT5.3V8FLEXN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500WT5.3V8GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500Base5.3V8FLEXN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500LS5.3V8GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500LS4.8V8GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500LS5.3V8FLEXN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500Base4.3V6GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500Base5.3V8GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500LS4.3V6GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500LT5.3V8GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500WT4.3V6GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500Base4.8V8GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500LT4.3V6GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500 HDLT6.0V8GASN/Aw/ Vacuum Booster
2002ChevroletSilverado 1500 HDLS6.0V8GASN/Aw/ Vacuum Booster
2002ChevroletSuburban 1500LT5.3V8FLEXN/AVacuum Brake System
2002ChevroletSuburban 1500Z715.3V8GASN/AVacuum Brake System
2002ChevroletSuburban 1500LT5.3V8GASN/AVacuum Brake System
2002ChevroletSuburban 1500Z715.3V8FLEXN/AVacuum Brake System
2002ChevroletSuburban 1500LS5.3V8GASN/AVacuum Brake System
2002ChevroletSuburban 1500LS5.3V8FLEXN/AVacuum Brake System
2002ChevroletTahoeLS5.3V8FLEXN/Aw/ Vacuum Booster
2002ChevroletTahoeLT4.8V8GASN/Aw/ Vacuum Booster
2002ChevroletTahoeLS4.8V8GASN/Aw/ Vacuum Booster
2002ChevroletTahoeLT5.3V8GASN/Aw/ Vacuum Booster
2002ChevroletTahoeLS5.3V8GASN/Aw/ Vacuum Booster
2002ChevroletTahoeLT5.3V8FLEXN/Aw/ Vacuum Booster
2002ChevroletTahoeZ715.3V8FLEXN/Aw/ Vacuum Booster
2002ChevroletTahoeZ715.3V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500HT4.8V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500Base5.3V8FLEXN/Aw/ Vacuum Booster
2002GMCSierra 1500SL5.3V8FLEXN/Aw/ Vacuum Booster
2002GMCSierra 1500Base4.3V6GASN/Aw/ Vacuum Booster
2002GMCSierra 1500SL4.3V6GASN/Aw/ Vacuum Booster
2002GMCSierra 1500WT4.8V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500SLT4.8V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500Base5.3V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500SLE4.3V6GASN/Aw/ Vacuum Booster
2002GMCSierra 1500SLE5.3V8FLEXN/Aw/ Vacuum Booster
2002GMCSierra 1500HT5.3V8FLEXN/Aw/ Vacuum Booster
2002GMCSierra 1500SL5.3V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500Base4.8V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500Denali6.0V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500SLT4.3V6GASN/Aw/ Vacuum Booster
2002GMCSierra 1500WT5.3V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500WT5.3V8FLEXN/Aw/ Vacuum Booster
2002GMCSierra 1500WT4.3V6GASN/Aw/ Vacuum Booster
2002GMCSierra 1500SLE4.8V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500SLE5.3V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500HT4.3V6GASN/Aw/ Vacuum Booster
2002GMCSierra 1500SLT5.3V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500HT5.3V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500SL4.8V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500SLT5.3V8FLEXN/Aw/ Vacuum Booster
2002GMCSierra 1500 HDSLT6.0V8GASN/Aw/ Vacuum Booster
2002GMCSierra 1500 HDSLE6.0V8GASN/Aw/ Vacuum Booster
2002GMCYukonSLE5.3V8FLEXN/Aw/ Vacuum Booster
2002GMCYukonSLT4.8V8GASN/Aw/ Vacuum Booster
2002GMCYukonSLT5.3V8FLEXN/Aw/ Vacuum Booster
2002GMCYukonSLE4.8V8GASN/Aw/ Vacuum Booster
2002GMCYukonSLT5.3V8GASN/Aw/ Vacuum Booster
2002GMCYukonDenali6.0V8GASN/Aw/ Vacuum Booster
2002GMCYukonSLE5.3V8GASN/Aw/ Vacuum Booster
2002GMCYukon XL 1500SLT5.3V8GASN/Aw/ Vacuum Booster
2002GMCYukon XL 1500SLE5.3V8GASN/Aw/ Vacuum Booster
2002GMCYukon XL 1500SLT5.3V8FLEXN/Aw/ Vacuum Booster
2002GMCYukon XL 1500SLE5.3V8FLEXN/Aw/ Vacuum Booster
2002GMCYukon XL 1500Denali6.0V8GASN/Aw/ Vacuum Booster
2001ChevroletSilverado 1500Base4.8V8GASN/Aw/ Vacuum Booster
2001ChevroletSilverado 1500LS4.8V8GASN/Aw/ Vacuum Booster
2001ChevroletSilverado 1500LT5.3V8GASN/Aw/ Vacuum Booster
2001ChevroletSilverado 1500LT4.3V6GASN/Aw/ Vacuum Booster
2001ChevroletSilverado 1500Base4.3V6GASN/Aw/ Vacuum Booster
2001ChevroletSilverado 1500Base5.3V8GASN/Aw/ Vacuum Booster
2001ChevroletSilverado 1500LT4.8V8GASN/Aw/ Vacuum Booster
2001ChevroletSilverado 1500LS4.3V6GASN/Aw/ Vacuum Booster
2001ChevroletSilverado 1500LS5.3V8GASN/Aw/ Vacuum Booster
2001ChevroletSilverado 1500 HDLT6.0V8GASN/Aw/ Vacuum Booster
2001ChevroletSilverado 1500 HDLS6.0V8GASN/Aw/ Vacuum Booster
2001ChevroletSuburban 1500LS5.3V8GASN/AVacuum Brake System
2001ChevroletSuburban 1500LT5.3V8GASN/AVacuum Brake System
2001ChevroletSuburban 1500Base5.3V8GASN/AVacuum Brake System
2001ChevroletTahoeLS4.8V8GASN/Aw/ Vacuum Booster
2001ChevroletTahoeLT4.8V8GASN/Aw/ Vacuum Booster
2001ChevroletTahoeLS5.3V8GASN/Aw/ Vacuum Booster
2001ChevroletTahoeLT5.3V8GASN/Aw/ Vacuum Booster
2001ChevroletTahoeBase5.3V8GASN/Aw/ Vacuum Booster
2001ChevroletTahoeBase4.8V8GASN/Aw/ Vacuum Booster
2001GMCSierra 1500SL5.3V8GASN/Aw/ Vacuum Booster
2001GMCSierra 1500SL4.3V6GASN/Aw/ Vacuum Booster
2001GMCSierra 1500SLE4.3V6GASN/Aw/ Vacuum Booster
2001GMCSierra 1500SL4.8V8GASN/Aw/ Vacuum Booster
2001GMCSierra 1500SLT4.3V6GASN/Aw/ Vacuum Booster
2001GMCSierra 1500SLT5.3V8GASN/Aw/ Vacuum Booster
2001GMCSierra 1500SLE4.8V8GASN/Aw/ Vacuum Booster
2001GMCSierra 1500C36.0V8GASN/Aw/ Vacuum Booster
2001GMCSierra 1500SLE5.3V8GASN/Aw/ Vacuum Booster
2001GMCSierra 1500SLT4.8V8GASN/Aw/ Vacuum Booster
2001GMCSierra 1500 HDSLT6.0V8GASN/Aw/ Vacuum Booster
2001GMCSierra 1500 HDSLE6.0V8GASN/Aw/ Vacuum Booster
2001GMCYukonSLE5.3V8GASN/Aw/ Vacuum Booster
2001GMCYukonSLT4.8V8GASN/Aw/ Vacuum Booster
2001GMCYukonDenali6.0V8GASN/Aw/ Vacuum Booster
2001GMCYukonSLT5.3V8GASN/Aw/ Vacuum Booster
2001GMCYukonSLE4.8V8GASN/Aw/ Vacuum Booster
2001GMCYukon XL 1500SLE5.3V8GASN/Aw/ Vacuum Booster
2001GMCYukon XL 1500Denali6.0V8GASN/Aw/ Vacuum Booster
2001GMCYukon XL 1500SLT5.3V8GASN/Aw/ Vacuum Booster
2000ChevroletSilverado 1500LT5.3V8GASN/Aw/ Vacuum Booster
2000ChevroletSilverado 1500Base4.3V6GASN/Aw/ Vacuum Booster
2000ChevroletSilverado 1500LS4.3V6GASN/Aw/ Vacuum Booster
2000ChevroletSilverado 1500Base4.8V8GASN/Aw/ Vacuum Booster
2000ChevroletSilverado 1500LS5.3V8GASN/Aw/ Vacuum Booster
2000ChevroletSilverado 1500LS4.8V8GASN/Aw/ Vacuum Booster
2000ChevroletSilverado 1500LT4.3V6GASN/Aw/ Vacuum Booster
2000ChevroletSilverado 1500LT4.8V8GASN/Aw/ Vacuum Booster
2000ChevroletSilverado 1500Base5.3V8GASN/Aw/ Vacuum Booster
2000ChevroletTahoeLT5.3V8GASN/A
2000ChevroletTahoeLS4.8V8GASN/A
2000ChevroletTahoeBase4.8V8GASN/A
2000ChevroletTahoeLS5.3V8GASN/A
2000ChevroletTahoeBase5.3V8GASN/A
2000ChevroletTahoeLT4.8V8GASN/A
2000GMCSierra 1500SLT5.3V8GASN/Aw/ Vacuum Booster
2000GMCSierra 1500SL4.8V8GASN/Aw/ Vacuum Booster
2000GMCSierra 1500SLE4.8V8GASN/Aw/ Vacuum Booster
2000GMCSierra 1500SLT4.8V8GASN/Aw/ Vacuum Booster
2000GMCSierra 1500SL5.3V8GASN/Aw/ Vacuum Booster
2000GMCSierra 1500SLT4.3V6GASN/Aw/ Vacuum Booster
2000GMCSierra 1500SL4.3V6GASN/Aw/ Vacuum Booster
2000GMCSierra 1500SLE4.3V6GASN/Aw/ Vacuum Booster
2000GMCSierra 1500SLE5.3V8GASN/Aw/ Vacuum Booster
2000GMCYukon XL 1500SLT5.3V8GASN/Aw/ Vacuum Booster
2000GMCYukon XL 1500SLE5.3V8GASN/Aw/ Vacuum Booster
2000GMCYukonSLE4.8V8GASN/A
2000GMCYukonSLT4.8V8GASN/A
1999ChevroletSilverado 1500LT4.3V6GASN/Aw/ Vacuum Booster
1999ChevroletSilverado 1500Base4.8V8GASN/Aw/ Vacuum Booster
1999ChevroletSilverado 1500LS4.8V8GASN/Aw/ Vacuum Booster
1999ChevroletSilverado 1500LS4.3V6GASN/Aw/ Vacuum Booster
1999ChevroletSilverado 1500LT5.3V8GASN/Aw/ Vacuum Booster
1999ChevroletSilverado 1500LT4.8V8GASN/Aw/ Vacuum Booster
1999ChevroletSilverado 1500LS5.3V8GASN/Aw/ Vacuum Booster
1999ChevroletSilverado 1500Base4.3V6GASN/Aw/ Vacuum Booster
1999ChevroletSilverado 1500Base5.3V8GASN/Aw/ Vacuum Booster
1999GMCSierra 1500SL4.8V8GASN/Aw/ Vacuum Booster
1999GMCSierra 1500SL4.3V6GASN/Aw/ Vacuum Booster
1999GMCSierra 1500SLT4.8V8GASN/Aw/ Vacuum Booster
1999GMCSierra 1500SLT4.3V6GASN/Aw/ Vacuum Booster
1999GMCSierra 1500SLE4.8V8GASN/Aw/ Vacuum Booster
1999GMCSierra 1500SLE5.3V8GASN/Aw/ Vacuum Booster
1999GMCSierra 1500SL5.3V8GASN/Aw/ Vacuum Booster
1999GMCSierra 1500SLE4.3V6GASN/Aw/ Vacuum Booster
1999GMCSierra 1500SLT5.3V8GASN/Aw/ Vacuum Booster
Product info

The ACDelco Brake Master Cylinder part number 18M1159 is the ideal replacement part for Cadillac, Chevrolet, and GMC vehicles. It is designed with precision to ensure efficient braking performance and enhanced safety on the road.

This brake master cylinder features a durable construction that is built to last. It is made from high-quality materials that can withstand wear and tear, ensuring long-term durability. The cylinder’s smooth operation enhances brake pedal feel, making it easier to control the vehicle while driving.

One of the most significant benefits of this brake master cylinder is its compatibility with different vehicle models. Whether you own a Cadillac, Chevrolet, or GMC, you can be confident that this part will fit perfectly and function flawlessly.

The ACDelco Brake Master Cylinder part number 18M1159 is easy to install, and it comes with all the necessary hardware needed for a quick and hassle-free installation. It is a cost-effective solution that saves car owners time and money compared to buying a new vehicle brake system.

In conclusion, if you own a Cadillac, Chevrolet, or GMC, and you are looking for a reliable brake master cylinder replacement part, the ACDelco Brake Master Cylinder part number 18M1159 is an excellent choice. It offers top-notch performance, durability, and convenience at an affordable price point.

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 Diameter1.3385826772
Master Cylinder Cap IncludedYes
Master Cylinder MaterialAluminum
Mounting Bracket IncludedNo
Mounting Hole Quantity2
Port Quantity2
Primary Outlet Thread Diameter0.5
Pushrod IncludedNo
Reservoir IncludedYes
Secondary Outlet Thread Diameter0.5
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.

Free shipping Icon

FREE SHIPPING

Available on all kits, sets & Bison performance products