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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Brake Master Cylinder

PART#: 18M2440
ACDelco

$101.69

In stock

Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2008CadillacEscaladePlatinum6.2V8GASN/A
2008CadillacEscaladeBase6.2V8GASN/A
2008CadillacEscalade ESVBase6.2V8GASN/A
2008CadillacEscalade ESVPlatinum6.2V8GASN/A
2008CadillacEscalade EXTBase6.2V8GASN/A
2008ChevroletAvalancheLS5.3V8GASN/A
2008ChevroletAvalancheLT6.0V8GASN/A
2008ChevroletAvalancheLS5.3V8FLEXN/A
2008ChevroletAvalancheLTZ6.0V8GASN/A
2008ChevroletAvalancheLTZ5.3V8GASN/A
2008ChevroletAvalancheLT5.3V8GASN/A
2008ChevroletAvalancheLT5.3V8FLEXN/A
2008ChevroletAvalancheLTZ5.3V8FLEXN/A
2008ChevroletSilverado 1500LTZ6.0V8GASN/Aw/ Active Brake Control
2008ChevroletSilverado 1500LT4.8V8GASN/Aw/ Active Brake Control
2008ChevroletSilverado 1500LS4.8V8GASN/Aw/ Active Brake Control
2008ChevroletSilverado 1500WT5.3V8GASN/Aw/ Active Brake Control
2008ChevroletSilverado 1500LT6.0V8GASN/Aw/ Active Brake Control
2008ChevroletSilverado 1500LTZ5.3V8GASN/Aw/ Active Brake Control
2008ChevroletSilverado 1500LTZ5.3V8FLEXN/Aw/ Active Brake Control
2008ChevroletSilverado 1500WT4.3V6GASN/Aw/ Active Brake Control
2008ChevroletSilverado 1500WT4.8V8GASN/Aw/ Active Brake Control
2008ChevroletSilverado 1500LT5.3V8FLEXN/Aw/ Active Brake Control
2008ChevroletSilverado 1500WT5.3V8FLEXN/Aw/ Active Brake Control
2008ChevroletSilverado 1500LT5.3V8GASN/Aw/ Active Brake Control
2008ChevroletTahoeLS4.8V8GASN/A
2008ChevroletTahoeLS5.3V8FLEXN/A
2008ChevroletTahoeLTZ5.3V8GASN/A
2008ChevroletTahoeLTZ5.3V8FLEXN/A
2008ChevroletTahoeLTZ6.2V8GASN/A
2008ChevroletTahoeLS5.3V8GASN/A
2008ChevroletTahoeLT5.3V8GASN/A
2008ChevroletTahoeLT5.3V8FLEXN/A
2008ChevroletSuburban 1500LT6.0V8GASN/A
2008ChevroletSuburban 1500LS5.3V8GASN/A
2008ChevroletSuburban 1500LTZ5.3V8GASN/A
2008ChevroletSuburban 1500LTZ6.0V8GASN/A
2008ChevroletSuburban 1500LS5.3V8FLEXN/A
2008ChevroletSuburban 1500LT5.3V8GASN/A
2008ChevroletSuburban 1500LT5.3V8FLEXN/A
2008ChevroletSuburban 1500LTZ5.3V8FLEXN/A
2008GMCYukon XL 1500SLT5.3V8GASN/A
2008GMCYukon XL 1500SLE5.3V8GASN/A
2008GMCYukon XL 1500SLT6.0V8GASN/A
2008GMCYukon XL 1500Denali6.2V8GASN/A
2008GMCYukon XL 1500SLE5.3V8FLEXN/A
2008GMCYukon XL 1500SLT5.3V8FLEXN/A
2008GMCYukon XL 1500SLE6.0V8GASN/A
2008GMCYukonSLT5.3V8GASN/A
2008GMCYukonDenali6.2V8GASN/A
2008GMCYukonSLT5.3V8FLEXN/A
2008GMCYukonSLE4.8V8GASN/A
2008GMCYukonSLE5.3V8FLEXN/A
2008GMCYukonSLE5.3V8GASN/A
2008GMCSierra 1500SL4.8V8GASN/Aw/ Active Brake Control
2008GMCSierra 1500WT4.3V6GASN/Aw/ Active Brake Control
2008GMCSierra 1500SLT5.3V8GASN/Aw/ Active Brake Control
2008GMCSierra 1500SLE5.3V8GASN/Aw/ Active Brake Control
2008GMCSierra 1500SLE4.8V8GASN/Aw/ Active Brake Control
2008GMCSierra 1500Denali6.2V8GASN/Aw/ Active Brake Control
2008GMCSierra 1500SLT5.3V8FLEXN/Aw/ Active Brake Control
2008GMCSierra 1500WT5.3V8FLEXN/Aw/ Active Brake Control
2008GMCSierra 1500WT5.3V8GASN/Aw/ Active Brake Control
2008GMCSierra 1500SLE6.0V8GASN/Aw/ Active Brake Control
2008GMCSierra 1500SLT6.0V8GASN/Aw/ Active Brake Control
2008GMCSierra 1500WT4.8V8GASN/Aw/ Active Brake Control
2008GMCSierra 1500SLE5.3V8FLEXN/Aw/ Active Brake Control
2007CadillacEscaladeBase6.2V8GASN/A
2007CadillacEscalade ESVBase6.2V8GASN/A
2007CadillacEscalade EXTBase6.2V8GASN/A
2007ChevroletTahoeLTZ5.3V8GASN/A
2007ChevroletTahoePPV5.3V8FLEXN/A
2007ChevroletTahoeLS5.3V8GASN/A
2007ChevroletTahoeLT5.3V8GASN/A
2007ChevroletTahoeLS5.3V8FLEXN/A
2007ChevroletTahoeLT5.3V8FLEXN/A
2007ChevroletTahoeLS4.8V8GASN/A
2007ChevroletTahoeLTZ5.3V8FLEXN/A
2007ChevroletAvalancheLS5.3V8GASN/A
2007ChevroletAvalancheLT5.3V8FLEXN/A
2007ChevroletAvalancheLT6.0V8GASN/A
2007ChevroletAvalancheLTZ5.3V8GASN/A
2007ChevroletAvalancheLTZ5.3V8FLEXN/A
2007ChevroletAvalancheLS5.3V8FLEXN/A
2007ChevroletAvalancheLTZ6.0V8GASN/A
2007ChevroletAvalancheLT5.3V8GASN/A
2007ChevroletSuburban 1500LT6.0V8GASN/A
2007ChevroletSuburban 1500LS5.3V8FLEXN/A
2007ChevroletSuburban 1500LT5.3V8FLEXN/A
2007ChevroletSuburban 1500LT5.3V8GASN/A
2007ChevroletSuburban 1500LTZ5.3V8FLEXN/A
2007ChevroletSuburban 1500LS5.3V8GASN/A
2007ChevroletSuburban 1500LTZ6.0V8GASN/A
2007ChevroletSuburban 1500LTZ5.3V8GASN/A
2007ChevroletSilverado 1500LT6.0V8GASN/Aw/ Active Brake Control
2007ChevroletSilverado 1500WT5.3V8GASN/Aw/ Active Brake Control
2007ChevroletSilverado 1500LTZ5.3V8FLEXN/Aw/ Active Brake Control
2007ChevroletSilverado 1500LT4.8V8GASN/Aw/ Active Brake Control
2007ChevroletSilverado 1500WT4.3V6GASN/Aw/ Active Brake Control
2007ChevroletSilverado 1500WT4.8V8GASN/Aw/ Active Brake Control
2007ChevroletSilverado 1500WT5.3V8FLEXN/Aw/ Active Brake Control
2007ChevroletSilverado 1500LTZ5.3V8GASN/Aw/ Active Brake Control
2007ChevroletSilverado 1500LTZ6.0V8GASN/Aw/ Active Brake Control
2007ChevroletSilverado 1500LT5.3V8GASN/Aw/ Active Brake Control
2007ChevroletSilverado 1500LT5.3V8FLEXN/Aw/ Active Brake Control
2007GMCYukonSLE5.3V8FLEXN/A
2007GMCYukonDenali6.2V8GASN/A
2007GMCYukonSLT5.3V8FLEXN/A
2007GMCYukonSLT5.3V8GASN/A
2007GMCYukonSLE4.8V8GASN/A
2007GMCYukonSLE5.3V8GASN/A
2007GMCYukon XL 1500SLE5.3V8GASN/A
2007GMCYukon XL 1500SLE5.3V8FLEXN/A
2007GMCYukon XL 1500SLT5.3V8GASN/A
2007GMCYukon XL 1500SLT6.0V8GASN/A
2007GMCYukon XL 1500Denali6.2V8GASN/A
2007GMCYukon XL 1500SLT5.3V8FLEXN/A
2007GMCYukon XL 1500SLE6.0V8GASN/A
2007GMCSierra 1500SLT5.3V8FLEXN/Aw/ Active Brake Control
2007GMCSierra 1500WT5.3V8FLEXN/Aw/ Active Brake Control
2007GMCSierra 1500Denali6.2V8GASN/Aw/ Active Brake Control
2007GMCSierra 1500SLE6.0V8GASN/Aw/ Active Brake Control
2007GMCSierra 1500SLT6.0V8GASN/Aw/ Active Brake Control
2007GMCSierra 1500SLE5.3V8GASN/Aw/ Active Brake Control
2007GMCSierra 1500WT4.3V6GASN/Aw/ Active Brake Control
2007GMCSierra 1500SLT5.3V8GASN/Aw/ Active Brake Control
2007GMCSierra 1500WT5.3V8GASN/Aw/ Active Brake Control
2007GMCSierra 1500SLE4.8V8GASN/Aw/ Active Brake Control
2007GMCSierra 1500WT4.8V8GASN/Aw/ Active Brake Control
2007GMCSierra 1500SLE5.3V8FLEXN/Aw/ Active Brake Control
Product info

The ACDelco Brake Master Cylinder part number 18M2440 is an essential component for your Cadillac, Chevrolet, or GMC vehicle’s braking system. It is engineered and built to meet or exceed OEM specifications, ensuring optimum performance and long-lasting durability.

This master cylinder features a cast iron body and a corrosion-resistant finish that helps prevent premature wear and tear. Its bore diameter is optimized for efficient and smooth braking, giving you a safer and more reliable ride.

With its easy bolt-on installation, the ACDelco Brake Master Cylinder part number 18M2440 is a convenient replacement for your old or worn-out master cylinder. Its compact and lightweight design allows for a hassle-free and secure fit, giving you peace of mind on the road.

Overall, the ACDelco Brake Master Cylinder part number 18M2440 delivers consistent and reliable braking performance, ensuring your safety and comfort while driving. Whether you’re commuting to work or going on a road trip, this master cylinder is an ideal choice for your Cadillac, Chevrolet, or GMC vehicle.

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 Diameter0.472
Pushrod IncludedNo
Reservoir IncludedYes
Secondary Outlet Thread Diameter0.472
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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