ACDelco
ACDelco 18M999 | Brake Master Cylinder
ACDelco Professional Brake Master Cylinders use both aluminum and iron castings, making them a high quality replacement for many vehicles on the road today. These master cylinders contain both...
Brake Master Cylinder Assembly
ACD_RemanDes | No |
AltPA_4405_mm | 37 |
AltPA_7322_mm | 12.700 |
AltPA_7451_mm | 12.700 |
Bleeder Hoses Included | Yes |
Brake Booster Included | No |
FAQ - A1 | No, but it is a good idea to inspect them for wear-out, cracking, leaking etc. |
FAQ - A2 | Yes, ACDelco also offers GM OE brake cylinders. |
FAQ - A3 | Yes, ACDelco Professional Brake Cylinders come with a 12 month / unlimited mile warranty. |
FAQ - Q1 | Do I have to replace all my brake parts when replacing my brake cylinder? |
FAQ - Q2 | Does ACDelco offer other grades of brake cylinders? |
FAQ - Q3 | Are these brake parts durable? |
Features & Benefits - B1 | Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality |
Features & Benefits - B2 | Pressure tested to ensure safe and confident braking |
Features & Benefits - B3 | Cast iron and aluminum specifications; no extra stress on the brake boosting mounting |
Features & Benefits - B4 | Geometrical tolerance ensures that the body and plastic reservoir match for a proper fit |
Features & Benefits - B5 | Piston assembly and return spring help to prevent brake drag, which can cause premature brake pad wear |
Good Maintenance Practices - S1 B1 | Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations. |
Good Maintenance Practices - S1 B2 | Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required. |
Good Maintenance Practices - S1 B3 | Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary). |
Good Maintenance Practices - S1 B4 | Check the thickness of your brake pads. |
Good Maintenance Practices - S1 H | The following inspections and maintenance procedures can help prevent potential brake problems: |
Good Maintenance Practices - S2 B1 | Inspection of the brake hoses for brittleness or cracking. |
Good Maintenance Practices - S2 B2 | Inspection of brake lining and pads for wear or contamination by brake fluid or grease. |
Good Maintenance Practices - S2 B3 | Inspection of wheel bearings and grease seals. |
Good Maintenance Practices - S2 B4 | Parking brake adjustments (as needed). |
Good Maintenance Practices - S2 H | The following should be conducted by a qualified technician: |
Height | 4.8 |
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Length | 9.4 |
Marketing Statement - Product Line | Brakes are one area in which vehicle owners simply cannot compromise. With ACDelco Brakes, they can get the peace of mind that comes with parts that are expertly engineered, manufactured to stringent tolerances, thoroughly tested and backed by the ACDelco name. Choose from our GM Original Equipment, Professional, Advantage, and Specialty Series brake products to meet your performance needs and budget. For your GM and non-GM vehicles, trust ACDelco rotors, pads, drums, and other brake components to help keep you and your loved ones safe. |
Marketing Statement - Sub Brand | ACDelco Professional, premium aftermarket, Brake products mean no compromises and quality at a fair price. ACDelco also offers select Specialty Brake products for Fleet and Police applications as well. Whether you call on our brake pads, brake shoes, rotors or drums, you can rest assured that ACDelco will give you the stopping power you need. And, with our warranty coverage, you will have the confidence and peace of mind that comes with owning ACDelco products. |
Master Cylinder Bore Diameter | 1.4566929134 |
Master Cylinder Cap Included | Yes |
Master Cylinder Material | Aluminum |
Mkt_State_Warranty_CA | 24 Months/40,000 KM (Parts Only). Please see ACDelcocanada.com for more details. |
Mkt_State_Warranty_US | 24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details. |
Mounting Bracket Included | No |
Mounting Hole Quantity | 2 |
Port Quantity | 2 |
Primary Outlet Thread Diameter | 0.5 |
Product Description | ACDelco Professional Brake Master Cylinders use both aluminum and iron castings, making them a high quality replacement for many vehicles on the road today. These master cylinders contain both Ethylene Propylene (EPDM) and Styrene Butadiene (SBR) rubber components to provide superior resistance to heat, corrosion, and leakage. ACDelco Professional Brake Master Cylinders are ready to bench bleed and install right out of the box - no assembly required. These premium aftermarket replacement brake master cylinders are manufactured to meet your expectations for fit, form, and function. |
Programming Required | NO |
Push Rod Included | No |
Reservoir Included | Yes |
Secondary Outlet Thread Diameter | 0.5 |
Signs of Wear & Troubleshooting - S1 B1 | Brake warning light is on. |
Signs of Wear & Troubleshooting - S1 B2 | Fluid spots beneath the car, indicating there may be a leak within the cylinder. |
Signs of Wear & Troubleshooting - S1 B3 | Difficulty stopping the vehicle. |
Signs of Wear & Troubleshooting - S1 B4 | A low or sinking brake pedal. |
Signs of Wear & Troubleshooting - S1 H | Brake cylinder signs of wear include: |
Vintage_Part_Indicator | N |
Weight | 2 |
Width | 5.8 |