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Please, add your first item to the wishlist

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Brake Master Cylinder

PART#: 18M973
ACDelco

$73.29

In stock

Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2005ChevroletBlazerZR24.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2005ChevroletBlazerBase4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2005ChevroletBlazerXtreme4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2004ChevroletBlazerZR24.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2004ChevroletBlazerLS4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2004ChevroletBlazerXtreme4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2004ChevroletS10LS4.3V6GASN/ALeft Hand Drive
2004ChevroletS10ZR54.3V6GASN/ALeft Hand Drive
2004GMCSonomaSLS4.3V6GASN/ALeft Hand Drive
2004GMCSonomaSL4.3V6GASN/ALeft Hand Drive
2003ChevroletBlazerLS4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2003ChevroletBlazerZR24.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2003ChevroletBlazerXtreme4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2003ChevroletS10Xtreme4.3V6GASN/ALeft Hand Drive
2003ChevroletS10Base4.3V6GASN/ALeft Hand Drive
2003ChevroletS10ZR24.3V6GASN/ALeft Hand Drive
2003ChevroletS10ZR54.3V6GASN/ALeft Hand Drive
2003ChevroletS10LS2.2L4GASN/ALeft Hand Drive
2003ChevroletS10LS4.3V6GASN/ALeft Hand Drive
2003ChevroletS10Xtreme2.2L4GASN/ALeft Hand Drive
2003ChevroletS10Base2.2L4GASN/ALeft Hand Drive
2003GMCSonomaSLS4.3V6GASN/ALeft Hand Drive
2003GMCSonomaSL4.3V6GASN/ALeft Hand Drive
2003GMCSonomaSL2.2L4GASN/ALeft Hand Drive
2003GMCSonomaSLS2.2L4GASN/ALeft Hand Drive
2002ChevroletBlazerLS4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2002ChevroletBlazerXtreme4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2002ChevroletS10Xtreme2.2L4FLEXN/ALeft Hand Drive
2002ChevroletS10ZR24.3V6GASN/ALeft Hand Drive
2002ChevroletS10LS2.2L4FLEXN/ALeft Hand Drive
2002ChevroletS10Base2.2L4FLEXN/ALeft Hand Drive
2002ChevroletS10ZR54.3V6GASN/ALeft Hand Drive
2002ChevroletS10Base4.3V6GASN/ALeft Hand Drive
2002ChevroletS10LS4.3V6GASN/ALeft Hand Drive
2002ChevroletS10Xtreme4.3V6GASN/ALeft Hand Drive
2002GMCSonomaSL2.2L4FLEXN/ALeft Hand Drive
2002GMCSonomaSL4.3V6GASN/ALeft Hand Drive
2002GMCSonomaSLS4.3V6GASN/ALeft Hand Drive
2002GMCSonomaSLS2.2L4FLEXN/ALeft Hand Drive
2001ChevroletBlazerTrailblazer4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2001ChevroletBlazerXtreme4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2001ChevroletBlazerLT4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2001ChevroletBlazerLS4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2001ChevroletS10Base2.2L4FLEXN/ALeft Hand Drive
2001ChevroletS10LS2.2L4FLEXN/ALeft Hand Drive
2001ChevroletS10LS4.3V6GASN/ALeft Hand Drive
2001ChevroletS10Base4.3V6GASN/ALeft Hand Drive
2001ChevroletS10Xtreme2.2L4FLEXN/ALeft Hand Drive
2001ChevroletS10Xtreme4.3V6GASN/ALeft Hand Drive
2001ChevroletS10ZR24.3V6GASN/ALeft Hand Drive
2001GMCJimmySL4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2001GMCJimmyDiamond Edition4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2001GMCJimmySLS4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2001GMCJimmySLE4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2001GMCJimmySLT4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2001GMCSonomaSLS2.2L4FLEXN/ALeft Hand Drive
2001GMCSonomaSLS4.3V6GASN/ALeft Hand Drive
2001GMCSonomaSLE4.3V6GASN/ALeft Hand Drive
2001GMCSonomaSLE2.2L4FLEXN/ALeft Hand Drive
2001GMCSonomaSL2.2L4FLEXN/ALeft Hand Drive
2001GMCSonomaSL4.3V6GASN/ALeft Hand Drive
2001OldsmobileBravadaBase4.3V6GASN/Awith Stamping # DX on Master Cylinder
2000IsuzuHombreS2.2L4GASN/Aw/ Right Hand Drive
2000IsuzuHombreXS2.2L4GASN/Aw/ Right Hand Drive
2000IsuzuHombreXS4.3V6GASN/Aw/ Right Hand Drive
2000IsuzuHombreS4.3V6GASN/Aw/ Right Hand Drive
2000ChevroletBlazerLS4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2000ChevroletBlazerLT4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2000ChevroletBlazerTrailblazer4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2000ChevroletS10Base2.2L4FLEXN/ALeft Hand Drive
2000ChevroletS10Xtreme2.2L4GASN/ALeft Hand Drive
2000ChevroletS10Xtreme2.2L4FLEXN/ALeft Hand Drive
2000ChevroletS10Base4.3V6GASN/ALeft Hand Drive
2000ChevroletS10Base---BATTERY EV (EV/BEV)N/ALeft Hand Drive
2000ChevroletS10LS2.2L4FLEXN/ALeft Hand Drive
2000ChevroletS10ZR24.3V6GASN/ALeft Hand Drive
2000ChevroletS10Base2.2L4GASN/ALeft Hand Drive
2000ChevroletS10LS4.3V6GASN/ALeft Hand Drive
2000ChevroletS10LS2.2L4GASN/ALeft Hand Drive
2000ChevroletS10Xtreme4.3V6GASN/ALeft Hand Drive
2000GMCJimmyEnvoy4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2000GMCJimmyDiamond Edition4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2000GMCJimmySLT4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2000GMCJimmySLS4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2000GMCJimmySLE4.3V6GASN/ALeft Hand Drive; with Stamping # DX on Master Cylinder
2000GMCSonomaSLE2.2L4FLEXN/ALeft Hand Drive
2000GMCSonomaSLS2.2L4FLEXN/ALeft Hand Drive
2000GMCSonomaSLE2.2L4GASN/ALeft Hand Drive
2000GMCSonomaSL2.2L4GASN/ALeft Hand Drive
2000GMCSonomaSL2.2L4FLEXN/ALeft Hand Drive
2000GMCSonomaSLS2.2L4GASN/ALeft Hand Drive
2000GMCSonomaSL4.3V6GASN/ALeft Hand Drive
2000GMCSonomaSLS4.3V6GASN/ALeft Hand Drive
2000GMCSonomaSLE4.3V6GASN/ALeft Hand Drive
2000OldsmobileBravadaBase4.3V6GASN/Awith Stamping # DX on Master Cylinder
Product info

The ACDelco Brake Master Cylinder part number 18M973 is the perfect replacement for your Chevrolet, GMC, Isuzu or Oldsmobile vehicle. This high-quality part is designed to provide superior performance and durability, ensuring your vehicle’s braking system operates at its best.

One of the key benefits of the ACDelco Brake Master Cylinder part number 18M973 is its excellent resistance to corrosion. This feature helps to ensure that your vehicle’s braking system remains in top condition for longer, reducing the need for frequent replacements.

The part also features a precision-machined bore and piston assembly, which provides consistent and reliable braking performance. This ensures that you can always depend on your vehicle’s brakes, even in the most challenging driving conditions.

Another great feature of the ACDelco Brake Master Cylinder part number 18M973 is its easy installation process. The part is designed to fit perfectly into your vehicle’s braking system, making installation quick and hassle-free.

Overall, the ACDelco Brake Master Cylinder part number 18M973 is an excellent choice for anyone looking to replace their vehicle’s braking system. Its superior performance, durability, and ease of installation make it a top choice for car enthusiasts and professionals alike.

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 Diameter0.5
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.

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