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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Brake Master Cylinder

PART#: 18M970
ACDelco

$90.79

In stock

Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2002ChevroletExpress 2500LS5.7V8GASN/Aw/ Hydraulic Booster
2002ChevroletExpress 2500LS6.5V8DIESELN/Aw/ Hydraulic Booster
2002ChevroletExpress 2500Base5.7V8GASN/Aw/ Hydraulic Booster
2002ChevroletExpress 2500Base5.0V8GASN/Aw/ Hydraulic Booster
2002ChevroletExpress 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
2002ChevroletExpress 2500LS5.0V8GASN/Aw/ Hydraulic Booster
2002ChevroletExpress 2500LS4.3V6GASN/Aw/ Hydraulic Booster
2002ChevroletExpress 2500Base4.3V6GASN/Aw/ Hydraulic Booster
2002ChevroletExpress 2500LS5.7V8BI-FUELN/Aw/ Hydraulic Booster
2002ChevroletExpress 2500Base5.7V8BI-FUELN/Aw/ Hydraulic Booster
2002ChevroletExpress 3500Base5.7V8BI-FUELN/A
2002ChevroletExpress 3500LS5.7V8GASN/A
2002ChevroletExpress 3500LS6.5V8DIESELN/A
2002ChevroletExpress 3500Base6.5V8DIESELN/A
2002ChevroletExpress 3500Base5.7V8GASN/A
2002ChevroletExpress 3500LS8.1V8GASN/A
2002ChevroletExpress 3500Base8.1V8GASN/A
2002ChevroletExpress 3500LS5.7V8BI-FUELN/A
2002GMCSavana 2500Base5.0V8GASN/Aw/ Hydraulic Booster
2002GMCSavana 2500Base5.7V8BI-FUELN/Aw/ Hydraulic Booster
2002GMCSavana 2500SLT5.7V8BI-FUELN/Aw/ Hydraulic Booster
2002GMCSavana 2500SLT4.3V6GASN/Aw/ Hydraulic Booster
2002GMCSavana 2500Base4.3V6GASN/Aw/ Hydraulic Booster
2002GMCSavana 2500SLT5.7V8GASN/Aw/ Hydraulic Booster
2002GMCSavana 2500SLT5.0V8GASN/Aw/ Hydraulic Booster
2002GMCSavana 2500Base5.7V8GASN/Aw/ Hydraulic Booster
2002GMCSavana 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
2002GMCSavana 2500SLT6.5V8DIESELN/Aw/ Hydraulic Booster
2002GMCSavana 3500SLT8.1V8GASN/A
2002GMCSavana 3500SLT5.7V8BI-FUELN/A
2002GMCSavana 3500SLT6.5V8DIESELN/A
2002GMCSavana 3500Base6.5V8DIESELN/A
2002GMCSavana 3500SLT4.3V6GASN/A
2002GMCSavana 3500Base5.7V8BI-FUELN/A
2002GMCSavana 3500Base4.3V6GASN/A
2002GMCSavana 3500SLT5.7V8GASN/A
2002GMCSavana 3500Base5.7V8GASN/A
2002GMCSavana 3500Base8.1V8GASN/A
2001ChevroletExpress 2500LS5.0V8GASN/Aw/ Hydraulic Booster
2001ChevroletExpress 2500Base5.0V8GASN/Aw/ Hydraulic Booster
2001ChevroletExpress 2500Base5.7V8GASN/Aw/ Hydraulic Booster
2001ChevroletExpress 2500LS5.7V8GASN/Aw/ Hydraulic Booster
2001ChevroletExpress 2500Base5.7V8CNGN/Aw/ Hydraulic Booster
2001ChevroletExpress 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
2001ChevroletExpress 2500LS6.5V8DIESELN/Aw/ Hydraulic Booster
2001ChevroletExpress 2500LS5.7V8CNGN/Aw/ Hydraulic Booster
2001ChevroletExpress 2500Base4.3V6GASN/Aw/ Hydraulic Booster
2001ChevroletExpress 3500LS5.7V8CNGN/A
2001ChevroletExpress 3500LS5.7V8GASN/A
2001ChevroletExpress 3500LS6.5V8DIESELN/A
2001ChevroletExpress 3500LS8.1V8GASN/A
2001ChevroletExpress 3500Base5.7V8CNGN/A
2001ChevroletExpress 3500Base8.1V8GASN/A
2001ChevroletExpress 3500Base5.7V8GASN/A
2001ChevroletExpress 3500Base6.5V8DIESELN/A
2001GMCSavana 2500Base4.3V6GASN/Aw/ Hydraulic Booster
2001GMCSavana 2500Base5.7V8GASN/Aw/ Hydraulic Booster
2001GMCSavana 2500Base5.7V8BI-FUELN/Aw/ Hydraulic Booster
2001GMCSavana 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
2001GMCSavana 2500Base5.0V8GASN/Aw/ Hydraulic Booster
2001GMCSavana 3500Base5.7V8BI-FUELN/A
2001GMCSavana 3500Base4.3V6GASN/A
2001GMCSavana 3500Base6.5V8DIESELN/A
2001GMCSavana 3500SLT6.5V8DIESELN/A
2001GMCSavana 3500Base8.1V8GASN/A
2001GMCSavana 3500SLT5.7V8GASN/A
2001GMCSavana 3500SLT8.1V8GASN/A
2001GMCSavana 3500Base5.7V8GASN/A
2001GMCSavana 3500SLT5.7V8BI-FUELN/A
2001GMCSavana 3500SLT4.3V6GASN/A
2000ChevroletExpress 2500Base5.7V8GASN/Aw/ Hydraulic Booster
2000ChevroletExpress 2500LS6.5V8DIESELN/Aw/ Hydraulic Booster
2000ChevroletExpress 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
2000ChevroletExpress 2500LS5.7V8GASN/Aw/ Hydraulic Booster
2000ChevroletExpress 2500LS5.0V8GASN/Aw/ Hydraulic Booster
2000ChevroletExpress 2500Base4.3V6GASN/Aw/ Hydraulic Booster
2000ChevroletExpress 2500Base5.0V8GASN/Aw/ Hydraulic Booster
2000ChevroletExpress 3500Base7.4V8GASN/A
2000ChevroletExpress 3500LS5.7V8GASN/A
2000ChevroletExpress 3500LS7.4V8GASN/A
2000ChevroletExpress 3500LS6.5V8DIESELN/A
2000ChevroletExpress 3500Base5.7V8GASN/A
2000ChevroletExpress 3500Base6.5V8DIESELN/A
2000GMCSavana 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
2000GMCSavana 2500SLE6.5V8DIESELN/Aw/ Hydraulic Booster
2000GMCSavana 2500Base5.7V8GASN/Aw/ Hydraulic Booster
2000GMCSavana 2500Base5.0V8GASN/Aw/ Hydraulic Booster
2000GMCSavana 2500SLE5.7V8GASN/Aw/ Hydraulic Booster
2000GMCSavana 2500Base4.3V6GASN/Aw/ Hydraulic Booster
2000GMCSavana 2500SLE5.0V8GASN/Aw/ Hydraulic Booster
2000GMCSavana 3500Base6.5V8DIESELN/A
2000GMCSavana 3500Base4.3V6GASN/A
2000GMCSavana 3500Base5.7V8GASN/A
2000GMCSavana 3500SLE6.5V8DIESELN/A
2000GMCSavana 3500SLE5.7V8GASN/A
2000GMCSavana 3500SLE4.3V6GASN/A
2000GMCSavana 3500Base7.4V8GASN/A
2000GMCSavana 3500SLE7.4V8GASN/A
1999ChevroletExpress 2500LS5.7V8GASN/Aw/ Hydraulic Booster
1999ChevroletExpress 2500LS5.0V8GASN/Aw/ Hydraulic Booster
1999ChevroletExpress 2500Base5.7V8GASN/Aw/ Hydraulic Booster
1999ChevroletExpress 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
1999ChevroletExpress 2500Base5.0V8GASN/Aw/ Hydraulic Booster
1999ChevroletExpress 2500Base4.3V6GASN/Aw/ Hydraulic Booster
1999ChevroletExpress 2500LS6.5V8DIESELN/Aw/ Hydraulic Booster
1999ChevroletExpress 3500Base6.5V8DIESELN/A
1999ChevroletExpress 3500LS6.5V8DIESELN/A
1999ChevroletExpress 3500LS5.7V8GASN/A
1999ChevroletExpress 3500Base5.7V8GASN/A
1999ChevroletExpress 3500LS7.4V8GASN/A
1999ChevroletExpress 3500Base7.4V8GASN/A
1999GMCSavana 2500Base4.3V6GASN/Aw/ Hydraulic Booster
1999GMCSavana 2500SLE5.7V8GASN/Aw/ Hydraulic Booster
1999GMCSavana 2500SLE6.5V8DIESELN/Aw/ Hydraulic Booster
1999GMCSavana 2500Base5.7V8GASN/Aw/ Hydraulic Booster
1999GMCSavana 2500Base5.0V8GASN/Aw/ Hydraulic Booster
1999GMCSavana 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
1999GMCSavana 2500SLE5.0V8GASN/Aw/ Hydraulic Booster
1999GMCSavana 3500SLE6.5V8DIESELN/A
1999GMCSavana 3500SLE5.7V8GASN/A
1999GMCSavana 3500Base5.7V8GASN/A
1999GMCSavana 3500Base6.5V8DIESELN/A
1999GMCSavana 3500Base7.4V8GASN/A
1999GMCSavana 3500SLE7.4V8GASN/A
1998ChevroletExpress 2500Base5.7V8GASN/Aw/ Hydraulic Booster
1998ChevroletExpress 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
1998ChevroletExpress 2500LS5.7V8GASN/Aw/ Hydraulic Booster
1998ChevroletExpress 2500Base4.3V6GASN/Aw/ Hydraulic Booster
1998ChevroletExpress 2500LS6.5V8DIESELN/Aw/ Hydraulic Booster
1998ChevroletExpress 2500LS5.0V8GASN/Aw/ Hydraulic Booster
1998ChevroletExpress 2500Base5.0V8GASN/Aw/ Hydraulic Booster
1998ChevroletExpress 3500Base5.7V8GASN/A
1998ChevroletExpress 3500Base6.5V8DIESELN/A
1998ChevroletExpress 3500Base4.3V6GASN/A
1998ChevroletExpress 3500LS4.3V6GASN/A
1998ChevroletExpress 3500Base7.4V8GASN/A
1998ChevroletExpress 3500LS7.4V8GASN/A
1998ChevroletExpress 3500LS5.7V8GASN/A
1998ChevroletExpress 3500LS6.5V8DIESELN/A
1998GMCSavana 2500SLE5.0V8GASN/Aw/ Hydraulic Booster
1998GMCSavana 2500Base4.3V6GASN/Aw/ Hydraulic Booster
1998GMCSavana 2500Base5.7V8GASN/Aw/ Hydraulic Booster
1998GMCSavana 2500Base5.0V8GASN/Aw/ Hydraulic Booster
1998GMCSavana 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
1998GMCSavana 2500SLE5.7V8GASN/Aw/ Hydraulic Booster
1998GMCSavana 2500SLE6.5V8DIESELN/Aw/ Hydraulic Booster
1998GMCSavana 3500Base5.7V8GASN/A
1998GMCSavana 3500Base4.3V6GASN/A
1998GMCSavana 3500SLE6.5V8DIESELN/A
1998GMCSavana 3500SLE7.4V8GASN/A
1998GMCSavana 3500Base7.4V8GASN/A
1998GMCSavana 3500SLE4.3V6GASN/A
1998GMCSavana 3500Base6.5V8DIESELN/A
1998GMCSavana 3500SLE5.7V8GASN/A
1997DodgeRam 2500Base5.9L6DIESELN/A
1997DodgeRam 3500Base5.9L6DIESELN/A
1997ChevroletExpress 2500Base4.3V6GASN/Aw/ Hydraulic Booster
1997ChevroletExpress 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
1997ChevroletExpress 2500LS5.0V8GASN/Aw/ Hydraulic Booster
1997ChevroletExpress 2500LS5.7V8GASN/Aw/ Hydraulic Booster
1997ChevroletExpress 2500LS6.5V8DIESELN/Aw/ Hydraulic Booster
1997ChevroletExpress 2500Base5.7V8GASN/Aw/ Hydraulic Booster
1997ChevroletExpress 2500Base5.0V8GASN/Aw/ Hydraulic Booster
1997ChevroletExpress 3500LS6.5V8DIESELN/A
1997ChevroletExpress 3500LS4.3V6GASN/A
1997ChevroletExpress 3500LS7.4V8GASN/A
1997ChevroletExpress 3500LS5.7V8GASN/A
1997ChevroletExpress 3500Base6.5V8DIESELN/A
1997ChevroletExpress 3500Base7.4V8GASN/A
1997ChevroletExpress 3500Base5.7V8GASN/A
1997GMCSavana 2500Base4.3V6GASN/Aw/ Hydraulic Booster
1997GMCSavana 2500Base5.0V8GASN/Aw/ Hydraulic Booster
1997GMCSavana 2500Base5.7V8GASN/Aw/ Hydraulic Booster
1997GMCSavana 2500SLE5.0V8GASN/Aw/ Hydraulic Booster
1997GMCSavana 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
1997GMCSavana 2500SLE5.7V8GASN/Aw/ Hydraulic Booster
1997GMCSavana 2500SLE6.5V8DIESELN/Aw/ Hydraulic Booster
1997GMCSavana 3500SLE7.4V8GASN/A
1997GMCSavana 3500Base4.3V6GASN/A
1997GMCSavana 3500SLE6.5V8DIESELN/A
1997GMCSavana 3500SLE4.3V6GASN/A
1997GMCSavana 3500Base7.4V8GASN/A
1997GMCSavana 3500SLE5.7V8GASN/A
1997GMCSavana 3500Base5.7V8GASN/A
1997GMCSavana 3500Base6.5V8DIESELN/A
1996ChevroletExpress 2500Base5.7V8GASN/Aw/ Hydraulic Booster
1996ChevroletExpress 2500Base5.0V8GASN/Aw/ Hydraulic Booster
1996ChevroletExpress 2500Base4.3V6GASN/Aw/ Hydraulic Booster
1996ChevroletExpress 2500LS6.5V8DIESELN/Aw/ Hydraulic Booster
1996ChevroletExpress 2500LS5.7V8GASN/Aw/ Hydraulic Booster
1996ChevroletExpress 2500LS5.0V8GASN/Aw/ Hydraulic Booster
1996ChevroletExpress 3500LS5.7V8GASN/A
1996ChevroletExpress 3500Base5.7V8GASN/A
1996ChevroletExpress 3500LS7.4V8GASN/A
1996ChevroletExpress 3500Base6.5V8DIESELN/A
1996ChevroletExpress 3500LS6.5V8DIESELN/A
1996ChevroletExpress 3500Base7.4V8GASN/A
1996ChevroletG30Chevy Van7.4V8GASN/A
1996ChevroletG30Chevy Van5.7V8GASN/A
1996ChevroletG30Hi-Cube6.5V8DIESELN/A
1996ChevroletG30Beauville5.7V8GASN/A
1996ChevroletG30Beauville7.4V8GASN/A
1996ChevroletG30Beauville5.7V8CNGN/A
1996ChevroletG30Sportvan7.4V8GASN/A
1996ChevroletG30Beauville6.5V8DIESELN/A
1996ChevroletG30Hi-Cube5.7V8GASN/A
1996ChevroletG30Chevy Van4.3V6GASN/A
1996ChevroletG30Sportvan5.7V8GASN/A
1996ChevroletG30Sportvan5.7V8CNGN/A
1996ChevroletG30Sportvan6.5V8DIESELN/A
1996ChevroletG30Hi-Cube5.7V8CNGN/A
1996ChevroletG30Hi-Cube7.4V8GASN/A
1996ChevroletG30Chevy Van5.7V8CNGN/A
1996ChevroletG30Chevy Van6.5V8DIESELN/A
1996GMCSavana 2500SLE6.5V8DIESELN/Aw/ Hydraulic Booster
1996GMCSavana 2500Base5.7V8GASN/Aw/ Hydraulic Booster
1996GMCSavana 2500SLE5.0V8GASN/Aw/ Hydraulic Booster
1996GMCSavana 2500Base6.5V8DIESELN/Aw/ Hydraulic Booster
1996GMCSavana 2500Base4.3V6GASN/Aw/ Hydraulic Booster
1996GMCSavana 2500Base5.0V8GASN/Aw/ Hydraulic Booster
1996GMCSavana 2500SLE5.7V8GASN/Aw/ Hydraulic Booster
1996GMCG3500Rally Camper Special5.7V8GASN/A
1996GMCG3500Rally Camper Special4.3V6GASN/A
1996GMCG3500Rally Camper Special6.5V8DIESELN/A
1996GMCG3500Rally Camper Special7.4V8GASN/A
1996GMCG3500Rally6.5V8DIESELN/A
1996GMCG3500Rally STX5.7V8GASN/A
1996GMCG3500Rally4.3V6GASN/A
1996GMCG3500Rally STX5.7V8CNGN/A
1996GMCG3500Rally STX4.3V6GASN/A
1996GMCG3500Rally STX6.5V8DIESELN/A
1996GMCG3500Vandura Special7.4V8GASN/A
1996GMCG3500Magnavan5.7V8GASN/A
1996GMCG3500Vandura Special5.7V8GASN/A
1996GMCG3500Vandura6.5V8DIESELN/A
1996GMCG3500Rally7.4V8GASN/A
1996GMCG3500Magnavan5.7V8CNGN/A
1996GMCG3500Vandura5.7V8GASN/A
1996GMCG3500Vandura4.3V6GASN/A
1996GMCG3500Vandura Special6.5V8DIESELN/A
1996GMCG3500Rally STX7.4V8GASN/A
1996GMCG3500Magnavan4.3V6GASN/A
1996GMCG3500Rally5.7V8GASN/A
1996GMCG3500Magnavan7.4V8GASN/A
1996GMCG3500Vandura Special4.3V6GASN/A
1996GMCG3500Rally5.7V8CNGN/A
1996GMCG3500Magnavan6.5V8DIESELN/A
1996GMCG3500Vandura5.7V8CNGN/A
1996GMCG3500Vandura7.4V8GASN/A
1996GMCSavana 3500Base6.5V8DIESELN/A
Product info

The ACDelco Brake Master Cylinder part number 18M970 is a top-quality brake master cylinder designed for Chevrolet, Dodge, and GMC vehicles. This brake master cylinder is a perfect fit for these vehicles and provides a reliable and efficient braking system.

The 18M970 brake master cylinder offers a range of benefits that make it a worthwhile investment. One of its key benefits is its durability. Made from high-quality materials, this master cylinder is built to last and withstand the pressure and wear and tear of regular use. Additionally, the brake master cylinder is designed to provide a smooth and consistent brake performance, ensuring a safe and reliable ride.

One of the most impressive features of the ACDelco Brake Master Cylinder part number 18M970 is its compatibility with a range of Chevrolet, Dodge, and GMC vehicles. This brake master cylinder is designed to fit perfectly with these vehicles, ensuring you get optimal brake performance and enhanced safety.

The 18M970 brake master cylinder is easy to install, and you do not need any special tools or expertise to install it. With its straightforward design, this brake master cylinder can be installed quickly and efficiently, ensuring you get back on the road in no time.

In summary, the ACDelco Brake Master Cylinder part number 18M970 is a top-quality brake master cylinder that offers durability, compatibility, and reliable performance. It is an excellent investment for anyone looking to upgrade their braking system and enjoy a safe and reliable driving experience.

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 Diameter1.25
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 Diameter0.5625
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

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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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