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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Drum Brake Wheel Cylinder – Front Driver Left

PART#: 18E566
ACDelco

$35.95

In stock

Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1976FordP-350Custom5.0V8GASFront Left | RWD;
1976FordP-350Base5.0V8GASFront Left | RWD;
1976FordP-350Base6.6V8GASFront Left | RWD;
1976FordP-350Custom6.6V8GASFront Left | RWD;
1976FordP-350Base4.9L6GASFront Left | RWD;
1976FordP-400Custom5.0V8GASFront Left | RWD;
1976FordP-400Base6.6V8GASFront Left | RWD;
1976FordP-400Base5.0V8GASFront Left | RWD;
1976FordP-400Base4.9L6GASFront Left | RWD;
1976FordP-400Custom6.6V8GASFront Left | RWD;
1976FordP-400Custom4.9L6GASFront Left | RWD;
1975FordP-350Custom4.9L6GASFront Left | RWD;
1975FordP-400Custom4.9L6GASFront Left | RWD;
1975FordP-400Base4.9L6GASFront Left | RWD;
1967BuickRivieraBase7.0V8GASFront Left | RWD;
1966BuickElectraCustom6.6V8GASFront Left | RWD;
1966BuickElectraBase6.6V8GASFront Left | RWD;
1966BuickElectraCustom7.0V8GASFront Left | RWD;
1966BuickElectraBase7.0V8GASFront Left | RWD;
1966BuickLeSabreCustom5.6V8GASFront Left | RWD;
1966BuickLeSabreBase5.6V8GASFront Left | RWD;
1966BuickRivieraGran Sport7.0V8GASFront Left | RWD;
1966BuickRivieraBase7.0V8GASFront Left | RWD;
1966BuickWildcatBase6.6V8GASFront Left | RWD;
1966BuickWildcatBase7.0V8GASFront Left | RWD;
1966BuickWildcatGran Sport6.6V8GASFront Left | RWD;
1966BuickWildcatCustom6.6V8GASFront Left | RWD;
1966BuickWildcatGran Sport7.0V8GASFront Left | RWD;
1966BuickWildcatCustom7.0V8GASFront Left | RWD;
1965BuickElectraBase7.0V8GASFront Left | RWD;
1965BuickElectraBase6.6V8GASFront Left | RWD;
1965BuickLeSabreBase4.9V8GASFront Left | RWD;
1965BuickLeSabreCustom4.9V8GASFront Left | RWD;
1965BuickRivieraBase7.0V8GASFront Left | RWD;
1965BuickRivieraGran Sport7.0V8GASFront Left | RWD;
1965BuickRivieraBase6.6V8GASFront Left | RWD;
1965BuickWildcatDeluxe6.6V8GASFront Left | RWD;
1965BuickWildcatBase6.6V8GASFront Left | RWD;
1965BuickWildcatDeluxe7.0V8GASFront Left | RWD;
1965BuickWildcatCustom7.0V8GASFront Left | RWD;
1965BuickWildcatCustom6.6V8GASFront Left | RWD;
1965BuickWildcatBase7.0V8GASFront Left | RWD;
1964BuickElectraBase6.6V8GASFront Left | RWD;
1964BuickElectraBase7.0V8GASFront Left | RWD;
1964BuickLeSabreBase4.9V8GASFront Left | RWD;
1964BuickLeSabreBase6.6V8GASFront Left | RWD;
1964BuickLeSabreBase7.0V8GASFront Left | RWD;
1964BuickRivieraBase6.6V8GASFront Left | RWD;
1964BuickRivieraBase7.0V8GASFront Left | RWD;
1964BuickWildcatBase7.0V8GASFront Left | RWD;
1964BuickWildcatBase6.6V8GASFront Left | RWD;
1964BuickEstate WagonBase6.6V8GASFront Left | RWD;
1964BuickEstate WagonBase4.9V8GASFront Left | RWD;
1964BuickEstate WagonBase7.0V8GASFront Left | RWD;
1963BuickElectraBase6.6V8GASFront Left | RWD;
1963BuickInvictaBase6.6V8GASFront Left | RWD;
1963BuickLeSabreBase6.6V8GASFront Left | RWD;
1963BuickRivieraBase6.6V8GASFront Left | RWD;
1963BuickRivieraBase7.0V8GASFront Left | RWD;
1963BuickWildcatBase6.6V8GASFront Left | RWD;
1963BuickEstate WagonBase6.6V8GASFront Left | RWD;
1962BuickElectra2256.6V8GASFront Left | RWD;
1962BuickElectraBase6.6V8GASFront Left | RWD;
1962BuickInvictaBase6.6V8GASFront Left | RWD;
1962BuickLeSabreBase6.6V8GASFront Left | RWD;
1962BuickEstate WagonBase6.6V8GASFront Left | RWD;
1962BuickWildcatBase6.6V8GASFront Left | RWD;
1961BuickElectraBase6.6V8GASFront Leftwith Diagonal Mount Holes | RWD;
1961BuickElectra2256.6V8GASFront Leftwith Diagonal Mount Holes | RWD;
1961BuickLeSabreBase6.0V8GASFront Leftwith Diagonal Mount Holes | RWD;
1961BuickLeSabreBase6.6V8GASFront Leftwith Diagonal Mount Holes | RWD;
1961BuickEstate WagonBase6.0V8GASFront Leftwith Diagonal Mount Holes | RWD;
1961BuickEstate WagonBase6.6V8GASFront Leftwith Diagonal Mount Holes | RWD;
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
Attachment TypeBolted
Bleeder Screw Cap IncludedYes
Bleeder Screw IncludedYes
Bore Diameter1.125
Bore Diameter28.575
Brake Line Inlet Thread Diameter0.375
Brake Line Inlet Thread Diameter9.525
Casting MaterialCast Iron
Cylinder Bore Diameter1.125
FAQ - Answer 1No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
FAQ - Answer 2Yes, ACDelco also offers GM OE brake cylinders.
FAQ - Answer 3Yes, ACDelco Professional Brake Cylinders come with a 12 month / unlimited mile warranty.
FAQ - Question 1Do I have to replace all my brake parts when replacing my brake cylinder?
FAQ - Question 2Does ACDelco offer other grades of brake cylinders?
FAQ - Question 3Are these brake parts durable?
Features & Benefits - Bullet 1Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality
Features & Benefits - Bullet 2Pressure tested to ensure safe and confident braking
Features & Benefits - Bullet 3Trivalent coated bleeder screws provide extra protection and added durability
Features & Benefits - Bullet 4Cast iron and aluminum specifications; no extra stress on the brake boosting mounting
Good Maintenance Practices - Section 1 - Bullet 1Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Good Maintenance Practices - Section 1 - Bullet 2Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - Section 1 - Bullet 3Inspect 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 4Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - HeaderThe following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - Section 2 - Bullet 1Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - Bullet 3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4Parking brake adjustments (as needed).
Good Maintenance Practices - Section 2 - HeaderThe following should be conducted by a qualified technician:
Height (in)2
Length3.7
Meets or Exceeds Original Equipment Manufacture SpecificationsYes
Mount Hole Quantity2
Mounting Hardware IncludedNo
Product DescriptionACDelco Professional Drum Brake Wheel Cylinders use both aluminum and iron castings making them a high quality replacement for many vehicles on the road today. These wheel cylinders contain both Ethylene Propylene (EPDM) and Styrene Butadiene (SBR) rubber components to provide superior resistance to heat, corrosion, and leakage. Formulated with a smooth bore finish, these cylinders have a quality seal to help increase the life of rubber components. ACDelco Professional Drum Brake Wheel Cylinders are ready to bench bleed and install right out of the box - no assembly required. These premium aftermarket replacement drum brake wheel cylinders are manufactured to meet your expectations for fit, form, and function. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov
Programming RequiredNo
Signs of Wear & Troubleshooting - Section 1 - Bullet 1Brake warning light is on.
Signs of Wear & Troubleshooting - Section 1 - Bullet 2Fluid spots beneath the car, indicating there may be a leak within the cylinder.
Signs of Wear & Troubleshooting - Section 1 - Bullet 3Difficulty stopping the vehicle.
Signs of Wear & Troubleshooting - Section 1 - Bullet 4A low or sinking brake pedal.
Signs of Wear & Troubleshooting - Section 1 - HeaderBrake cylinder signs of wear include:
Weight (lb)1.26
Width (in)2.7
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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