Keep the brake pads clamping evenly with the PowerStop Autospecialty Disc Brake Caliper L4021, a front-left replacement caliper that houses the piston pressing the pads against the rotor and bolts on directly in place of the original stock unit — no modifications necessary. It's a direct-fit application for a wide range of GM cars, wagons, and light trucks, including the 1977-1990 Buick LeSabre, 1991-1996 Buick Roadmaster, 1987-1992 Cadillac Brougham, 1978-1996 Chevrolet Caprice, 1985-2002 Chevrolet Astro, 1985-2002 GMC Safari, 1978-1992 Oldsmobile Custom Cruiser, and 1978-1986 Pontiac Parisienne. See the Buyer's Guide tab for the full list of 38 applications and engine details.
- Bolt-on ready: installs directly in place of the original stock caliper with no modifications required.
- Expertly assembled: built with new seals, caliper guide pins/bolts, dust boots, bleeder screws, stainless-steel brake pad attachment hardware, and mounting brackets.
- High-temperature EPDM rubber dust boots and premium assembly lubricant are used to support smooth caliper operation and durability in harsh conditions.
- 100% pressure tested and inspected for reliable, high-quality brake performance.
Autospecialty by PowerStop calipers are sold individually and designed for both DIY and professional installers, delivering a reliable, hassle-free replacement solution for the value-minded driver.
Frequently Asked Questions
What position does this caliper fit?
It is cataloged as the front-left disc brake caliper for the listed applications. Confirm the fitment for your specific vehicle in the Buyer's Guide tab.
Is this caliper sold individually or as a pair?
It is sold individually — this listing is for one caliper. For balanced braking, it's best practice to service both sides of the axle together.
What comes assembled on the caliper?
It's assembled with new seals, caliper guide pins/bolts, dust boots, bleeder screws, stainless-steel brake pad attachment hardware, and mounting brackets.
Does it require modifications to install?
No. This caliper bolts on directly in place of the original stock caliper with no modifications necessary, making it suitable for DIY and professional installers.
Is the caliper tested before it ships?
Yes. Each Autospecialty by PowerStop caliper is 100% pressure tested and inspected to support reliable, high-quality brake performance.
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