ACDelco 17781B | Rear Parking Brake Shoe

Part Number
Parking Brake Shoe Set

Fits: Buick Rainier, Cadillac DeVille, Cadillac DTS, Cadillac Escalade, Cadillac Escalade ESV, Cadillac Escalade EXT, Chevrolet Astro, Chevrolet Avalanche, Chevrolet Avalanche 1500, Chevrolet Express 1500, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, Chevrolet Silverado 1500 HD, Chevrolet Silverado 2500, Chevrolet Silverado 2500 HD, Chevrolet SSR, Chevrolet Suburban 1500, Chevrolet Suburban 2500, Chevrolet Tahoe, Chevrolet Trailblazer, Chevrolet Trailblazer EXT, GMC Envoy, GMC Envoy XL, GMC Envoy XUV, GMC Safari, GMC Savana 1500, GMC Sierra 1500, GMC Sierra 1500 Classic, GMC Sierra 1500 HD, GMC Sierra 2500, GMC Sierra 2500 HD, GMC Yukon, GMC Yukon XL 1500, GMC Yukon XL 2500, Isuzu Ascender, Oldsmobile Bravada, Saab 9-7x

Special Price $67.99 Regular Price $79.99
In stock
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Estimated Ship Date: 1 Business Day or Less
ACDelco Professional Parking Brake Shoes are a high quality replacement for many vehicles on the road today. For GM vehicle application, the chamfer angle and vane configuration follow the OE design. Also, no machining is required. ACDelco Professional Parking Brake Shoes are ready to be installed right out of the box. These premium aftermarket replacement parking brake shoes are manufactured to meet your expectations for fit, form, and function. ? WARNING: Cancer and Reproductive Harm -



  • All shoes are machined for correct shoe-to-drum contact
  • Contour or cam ground to eliminate chatter and rear wheel lockup
  • Highest shear strength for the best bond integrity
  • Non-directional brake surface finish for consistent braking
  • Quality validated for proper metallurgy and correct brake plate thickness


FAQ - A1Yes, ACDelco Professional Brake Shoes come with a limited lifetime warranty.
FAQ - A2No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.
FAQ - A3Yes, ACDelco also offers GM OE brake pads and Advantage Brake Shoes.
FAQ - A4No, but it is a good idea to inspect your brake shoes at each tire rotation.
FAQ - Q1Are these brake parts durable?
FAQ - Q2Do I have to replace all my brake parts when replacing my brake shoes?
FAQ - Q3Does ACDelco offer other grades of brake shoes?
FAQ - Q4Do I have to replace my brake shoes after a certain amount of time?
Good Maintenance Practices - S1 B1Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
Good Maintenance Practices - S1 B2Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Good Maintenance Practices - S1 B3Inspect 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 B4Check the thickness of your brake pads.
Good Maintenance Practices - S1 HThe following inspections and maintenance procedures can help prevent potential brake problems:
Good Maintenance Practices - S2 B1Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - S2 B2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - S2 B3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - S2 B4Parking brake adjustments (as needed).
Good Maintenance Practices - S2 HThe following should be conducted by a qualified technician:
Marketing Statement - Product LineBrakes 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 BrandACDelco 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.
Mkt_State_Warranty_CA24 Months/40,000 KM (Parts Only). Please see for more details.
Mkt_State_Warranty_US24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see for more details.
Signs of Wear & Troubleshooting - S1 B1Brake pedal pulsation (not to be confused with normal ABS operation).
Signs of Wear & Troubleshooting - S1 B2Squealing or grinding noises.
Signs of Wear & Troubleshooting - S1 B3Low brake pedal height.
Signs of Wear & Troubleshooting - S1 B4Vehicle pulls to the left or right when brakes are applied.
Signs of Wear & Troubleshooting - S1 HBrake shoe signs of wear include:



  • 2002-2004 Oldsmobile Bravada - Position: Rear
  • 2006-2011 Cadillac DTS - Position: Rear
  • 1999-2013 GMC Sierra 1500 - Position: Rear
  • 2000-2014 Chevrolet Suburban 1500 - Position: Rear
  • 2001-2003 Chevrolet Silverado 1500 HD - Position: Rear
  • 2006-2006 Chevrolet Silverado 1500 HD - Position: Rear
    • 4 Wheel Steering
  • 2007-2007 Chevrolet Silverado 1500 Classic - Position: Rear
  • 2005-2009 Saab 9-7x - Position: Rear
  • 2005-2005 Chevrolet Silverado 1500 HD - Position: Rear
  • 2004-2005 GMC Envoy XUV - Position: Rear
  • 2002-2009 GMC Envoy - Position: Rear
  • 2002-2009 Chevrolet Trailblazer - Position: Rear
  • 2002-2006 Chevrolet Trailblazer EXT - Position: Rear
  • 2002-2006 GMC Envoy XL - Position: Rear
  • 2000-2014 Chevrolet Tahoe - Position: Rear
  • 2004-2007 Buick Rainier - Position: Rear
  • 2000-2005 Cadillac DeVille - Position: Rear
  • 2003-2005 GMC Yukon XL 2500 - Position: Rear
    • with Four Wheel Steering
  • 2003-2005 Chevrolet Astro - Position: Rear
  • 2004-2005 GMC Sierra 2500 HD - Position: Rear
    • 4 Wheel Steering
  • 2002-2006 Chevrolet Avalanche 1500 - Position: Rear
  • 2000-2014 GMC Yukon - Position: Rear
  • 2003-2005 GMC Safari - Position: Rear
  • 2003-2005 Chevrolet Suburban 2500 - Position: Rear
    • with Four Wheel Steering
  • 1999-2013 Chevrolet Silverado 1500 - Position: Rear
  • 2003-2013 GMC Savana 1500 - Position: Rear
  • 2003-2014 Cadillac Escalade ESV - Position: Rear
  • 2003-2008 Isuzu Ascender - Position: Rear
  • 2006-2006 GMC Sierra 1500 HD - Position: Rear
    • 4 Wheel Steering
  • 2002-2014 Cadillac Escalade - Position: Rear
  • 2007-2007 GMC Sierra 1500 Classic - Position: Rear
  • 2003-2014 Chevrolet Express 1500 - Position: Rear
  • 2001-2003 GMC Sierra 1500 HD - Position: Rear
  • 2003-2006 Chevrolet SSR - Position: Rear
  • 2005-2005 GMC Sierra 1500 HD - Position: Rear
  • 2004-2004 GMC Sierra 2500 - Position: Rear
    • 4 Wheel Steering
  • 2007-2013 Chevrolet Avalanche - Position: Rear
  • 2004-2005 Chevrolet Silverado 2500 HD - Position: Rear
    • 4 Wheel Steering
  • 2000-2014 GMC Yukon XL 1500 - Position: Rear
  • 2004-2004 Chevrolet Silverado 2500 - Position: Rear
    • 4 Wheel Steering
  • 2002-2013 Cadillac Escalade EXT - Position: Rear
Customer Questions
Does AC Delco make Ford parts?
No, AC Delco produces parts primarily for General Motors vehicles and does not make parts specifically for Ford vehicles.
Can I use AC Delco parts to replace OEM parts?
Yes, in most cases AC Delco parts can be used as a replacement for OEM parts. However, it's important to ensure that the parts are compatible with your specific make and model of vehicle.
What AC Delco oil filter do I need?
AC Delco offers a variety of oil filters that are compatible with different makes and models of vehicles. To determine which AC Delco oil filter you need, consult your vehicle's owner's manual or use our online filter lookup tool that matches the make, model, and year of your vehicle.
How often should I have a brake replacement done?
As a general guideline, it is recommended to have your brakes inspected at least once a year or every 12,000 to 15,000 miles.
How often should brake pads be replaced in a typical car?
Brake pads in a typical car should be replaced approximately every 30,000 to 70,000 miles, but the replacement interval can vary depending on driving habits, vehicle type, and brake pad material.
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