Restore firm, even braking to your GM truck or SUV with the Autospecialty by PowerStop Disc Brake Caliper (P/N L4728). Sold individually, it bolts on directly in place of the original stock caliper for the FRONT RIGHT or REAR LEFT position — no modifications necessary. It's a direct-fit replacement for a wide range of full-size GM applications, including the 1999-2006 Chevrolet Silverado 1500, 2001-2010 Chevrolet Silverado 2500 HD, 2000-2006 Chevrolet Tahoe, 2000-2013 Chevrolet Suburban 2500, 2002-2006 Cadillac Escalade, 1999-2006 GMC Sierra 1500, 2000-2006 GMC Yukon, and 2003-2009 Hummer H2 — see the Buyer's Guide tab for the full list of 38 applications and engine details.
- Ready to install: bolts on directly in place of the original stock caliper, no modifications necessary.
- Expertly assembled: built with new seals, caliper guide pins, dust boots, bleeder screws, stainless-steel brake pad attachment hardware, and mounting brackets.
- Built for harsh conditions: high-temperature EPDM rubber dust boots and premium assembly lubricant help ensure smooth caliper operation and durability.
- Quality checked: 100% pressure tested and inspected for reliable brake performance.
The caliper houses the piston that clamps the brake pads against the rotor. If a seized, leaking, or sticking caliper is the cause of your braking trouble, this replaces it. For balanced braking, it's good practice to service both sides of an axle together.
Frequently Asked Questions
What position does the L4728 caliper fit?
The catalog lists this caliper for the FRONT RIGHT or REAR LEFT position. It is sold individually — confirm the correct corner for your vehicle in the Buyer's Guide tab before ordering.
Does this caliper require any modifications to install?
No. It bolts on directly in place of the original stock caliper with no modifications necessary, making it suitable for both DIY and professional installers.
What comes assembled on this caliper?
It's assembled with new seals, caliper guide pins, dust boots, bleeder screws, stainless-steel brake pad attachment hardware, and mounting brackets, plus premium lubricant.
Is the caliper tested before shipping?
Yes. Every Autospecialty by PowerStop caliper is 100% pressure tested and inspected to help provide reliable, high-quality brake performance.
Should I replace both calipers at the same time?
They're sold individually, but replacing both calipers on the same axle together is good practice for firm, balanced braking. Diagnose the cause of your brake issue first.
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