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...
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. ?
Bleeder Hoses Included | Yes |
Brake Booster Included | No |
FAQ - Answer 1 | No, but it is a good idea to inspect them for wear-out, cracking, leaking etc. |
FAQ - Answer 2 | Yes, ACDelco also offers GM OE brake cylinders. |
FAQ - Answer 3 | Yes, ACDelco Professional Brake Cylinders come with a 12 month / unlimited mile warranty. |
FAQ - Question 1 | Do I have to replace all my brake parts when replacing my brake cylinder? |
FAQ - Question 2 | Does ACDelco offer other grades of brake cylinders? |
FAQ - Question 3 | Are these brake parts durable? |
Good Maintenance Practices - Section 1 - Bullet 1 | Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations. |
Good Maintenance Practices - Section 1 - Bullet 2 | Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required. |
Good Maintenance Practices - Section 1 - Bullet 3 | 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 - Section 1 - Bullet 4 | Check the thickness of your brake pads. |
Good Maintenance Practices - Section 1 - Header | The following inspections and maintenance procedures can help prevent potential brake problems: |
Good Maintenance Practices - Section 2 - Bullet 1 | Inspection of the brake hoses for brittleness or cracking. |
Good Maintenance Practices - Section 2 - Bullet 2 | Inspection of brake lining and pads for wear or contamination by brake fluid or grease. |
Good Maintenance Practices - Section 2 - Bullet 3 | Inspection of wheel bearings and grease seals. |
Good Maintenance Practices - Section 2 - Bullet 4 | Parking brake adjustments (as needed). |
Good Maintenance Practices - Section 2 - Header | The following should be conducted by a qualified technician: |
Height (in) | 5.6 |
Length (in) | 11.3 |
Master Cylinder Cap Included | Yes |
Master Cylinder Material | Aluminum |
Mounting Bracket Included | No |
Mounting Hole Quantity | 2 |
Port Quantity | 2 |
Programming Required | No |
Pushrod Included | No |
Reservoir Included | Yes |
Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Brake warning light is on. |
Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Fluid spots beneath the car, indicating there may be a leak within the cylinder. |
Signs of Wear & Troubleshooting - Section 1 - Bullet 3 | Difficulty stopping the vehicle. |
Signs of Wear & Troubleshooting - Section 1 - Bullet 4 | A low or sinking brake pedal. |
Signs of Wear & Troubleshooting - Section 1 - Header | Brake cylinder signs of wear include: |
Weight (lb) | 6.57 |
Width (in) | 7.7 |