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Carlson 7821 Disc Brake Caliper Piston - Front or Rear
| Brand | Carlson 7821 |
|---|---|
| Position | Rear |
| Fits | Cadillac, Ford, Mercury, Buick, Chevrolet, GMC, Isuzu, Saab, and Oldsmobile · 111 vehicles |
Brake system component. Uses brake fluid pressure to force pads against the rotor.
Caliper piston. Vital hardware for converting hydraulic pressure into stopping force.
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Carlson Disc Brake Caliper Piston 7821
The Carlson Disc Brake Caliper Piston 7821 is a brake hydraulic component that transfers brake fluid pressure into clamping force at the caliper. It is used in front and rear brake applications across a wide range of Cadillac, Ford, Chevrolet, GMC, and related vehicles.
Key Features
- Disc brake caliper piston for brake hydraulic service
- Uses brake fluid pressure to push the brake pads against the rotor
- Phenolic piston construction on listed applications
- Compatible with multiple OE-style caliper configurations
- Part number 7821 for application matching and catalog lookup
Product Details
Carlson Disc Brake Caliper Piston 7821 is part of the brake hydraulics system and is selected by vehicle application, caliper design, and position. The Carlson disc brake caliper piston line is built for service work where the original piston has worn, cracked, or no longer moves smoothly in the caliper bore. This part number 7821 appears in front and rear brake applications on vehicles such as Cadillac CTS, Cadillac STS, Ford Taurus, Chevrolet Trailblazer, GMC Envoy, and Ford Mustang.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Vehicle Fitment
- Fits 2005-2011 Cadillac STS, rear; except performance brakes; phenolic piston; D922
- Fits 2008-2009 Ford Taurus, front; phenolic piston; D1070
- Fits 2008-2009 Ford Taurus X, front; phenolic piston; D1070
- Fits 2008-2009 Mercury Sable, front; phenolic piston; D1070
- Fits 2005-2008 Cadillac STS, front; except performance brakes; phenolic piston; D921
- Fits 2006-2007 Cadillac CTS, rear; except performance brakes; phenolic piston; D922
- Fits 2006-2007 Cadillac CTS, front; except performance brakes; phenolic piston; D921
- Fits 2003-2007 Cadillac CTS, rear; phenolic piston; D922
- Fits 2003-2007 Cadillac CTS, front; phenolic piston; D921
- Fits 2005-2007 Ford Five Hundred, front; phenolic piston; D1070
- Fits 2005-2007 Ford Freestyle, front; phenolic piston; D1070
- Fits 2005-2007 Mercury Montego, front; phenolic piston; D1070
- Fits 2004-2005 Buick Rainier, front; phenolic piston; D882
- Fits 2003-2005 Chevrolet SSR, front; phenolic piston; D882
- Fits 2002-2005 Chevrolet Trailblazer, front; phenolic piston; D882
- Fits 2002-2005 Chevrolet Trailblazer EXT, front; phenolic piston; D882
- Fits 2002-2005 GMC Envoy, front; phenolic piston; D882
- Fits 2002-2005 GMC Envoy XL, front; phenolic piston; D882
- Fits 2004-2005 GMC Envoy XUV, front; phenolic piston; D882
- Fits 2003-2005 Isuzu Ascender, front; phenolic piston; D882
- Fits 2005 Saab 9-7x, front; phenolic piston; D882
- Fits 2004 Chevrolet Silverado 1500, rear; D975; disc brake caliper piston
- Fits 1999-2004 Ford Mustang, front; phenolic piston; D804
- Fits 2004 GMC Sierra 1500, rear; D975; disc brake caliper piston
- Fits 2002-2004 Oldsmobile Bravada, front; phenolic piston; D882
- Fits 2002-2003 Chevrolet Avalanche 2500, rear; phenolic piston; D834
- Fits 2003 Chevrolet Silverado 1500, rear; 4 wheel steering; 330mm rotors; phenolic piston; D834
- Fits 2003 Chevrolet Silverado 1500 HD, rear; 4 wheel steering; 330mm rotors; phenolic piston; D834
- Fits 2003 GMC Sierra 1500, rear; 4 wheel steering; 330mm rotors; phenolic piston; D834
- Fits 2003 GMC Sierra 1500 HD, rear; 4 wheel steering; 330mm rotors; phenolic piston; D834
- Fits 2002 Cadillac Escalade, rear; 4 wheel steering; phenolic piston; D834
- Fits 2000-2002 Chevrolet Suburban 1500, rear; dual piston calipers; phenolic piston; D834
- Fits 2002 Chevrolet Tahoe, rear; phenolic piston; D975
- Fits 2002 GMC Yukon, rear; phenolic piston; D834
- Fits 2000-2002 GMC Yukon XL 1500, rear; phenolic piston; D834
- Fits 2000-2001 Chevrolet Tahoe, rear; phenolic piston; D834
- Fits 2000-2001 Chevrolet Tahoe, rear; limited slip axle; phenolic piston; D834
- Fits 2000-2001 GMC Yukon, rear; limited slip axle; phenolic piston; D834
Common Repair Uses
- Brake piston wear or scoring inside the caliper
- Uneven pad contact caused by piston movement issues
- Brake drag from a piston that does not retract properly
- Hydraulic brake service on front or rear calipers
- OE-style replacement during caliper rebuild work
Installation Notes
Match the caliper design, position, and notes exactly before installation. Confirm whether the vehicle uses a phenolic piston, dual piston caliper, 4 wheel steering, limited slip axle, or 330mm rotor configuration where listed. Clean the caliper bore thoroughly, inspect seals and related hydraulic parts, and verify smooth piston movement after assembly.
Quality Assurance
Carlson brake hydraulics parts are cataloged for application-specific service work, with the piston selected to match the listed OE-style brake configuration. Use the part number 7821 and the vehicle notes to confirm the correct application before repair.
This part fits 111 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Cadillac | STS | — | — | — | Rear | Except Performance Brakes; Phenolic Piston; D922 |
| 2010 | Cadillac | STS | — | — | — | Rear | Except Performance Brakes; Phenolic Piston; D922 |
| 2009 | Cadillac | STS | — | — | — | Rear | Except Performance Brakes; Phenolic Piston; D922 |
| 2009 | Ford | Taurus | — | — | — | Front | Phenolic Piston; D1070 |
| 2009 | Ford | Taurus X | — | — | — | Front | Phenolic Piston; D1070 |
| 2009 | Mercury | Sable | — | — | — | Front | Phenolic Piston; D1070 |
| 2008 | Cadillac | STS | — | — | — | Rear | Except Performance Brakes; Phenolic Piston; D922 |
| 2008 | Cadillac | STS | — | — | — | Front | Except Performance Brakes; Phenolic Piston; D921 |
| 2008 | Ford | Taurus | — | — | — | Front | Phenolic Piston; D1070 |
| 2008 | Ford | Taurus X | — | — | — | Front | Phenolic Piston; D1070 |
| 2008 | Mercury | Sable | — | — | — | Front | Phenolic Piston; D1070 |
| 2007 | Cadillac | CTS | — | — | — | Rear | Except Performance Brakes; Phenolic Piston; D922 |
| 2007 | Cadillac | CTS | — | — | — | Front | Except Performance Brakes; Phenolic Piston; D921 |
| 2007 | Cadillac | CTS | — | — | — | Rear | Phenolic Piston; D922 |
| 2007 | Cadillac | CTS | — | — | — | Front | Phenolic Piston; D921 |
| 2007 | Cadillac | STS | — | — | — | Rear | Except Performance Brakes; Phenolic Piston; D922 |
| 2007 | Cadillac | STS | — | — | — | Front | Except Performance Brakes; Phenolic Piston; D921 |
| 2007 | Ford | Five Hundred | — | — | — | Front | Phenolic Piston; D1070 |
| 2007 | Ford | Freestyle | — | — | — | Front | Phenolic Piston; D1070 |
| 2007 | Mercury | Montego | — | — | — | Front | Phenolic Piston; D1070 |
| 2006 | Cadillac | CTS | — | — | — | Rear | Except Performance Brakes; Phenolic Piston; D922 |
| 2006 | Cadillac | CTS | — | — | — | Front | Except Performance Brakes; Phenolic Piston; D921 |
| 2006 | Cadillac | CTS | — | — | — | Rear | Phenolic Piston; D922 |
| 2006 | Cadillac | CTS | — | — | — | Front | Phenolic Piston; D921 |
| 2006 | Cadillac | STS | — | — | — | Rear | Except Performance Brakes; Phenolic Piston; D922 |
| 2006 | Cadillac | STS | — | — | — | Front | Except Performance Brakes; Phenolic Piston; D921 |
| 2006 | Ford | Five Hundred | — | — | — | Front | Phenolic Piston; D1070 |
| 2006 | Ford | Freestyle | — | — | — | Front | Phenolic Piston; D1070 |
| 2006 | Mercury | Montego | — | — | — | Front | Phenolic Piston; D1070 |
| 2005 | Buick | Rainier | — | — | — | Front | Phenolic Piston; D882 |
| 2005 | Cadillac | CTS | — | — | — | Rear | Phenolic Piston; D922 |
| 2005 | Cadillac | CTS | — | — | — | Front | Phenolic Piston; D921 |
| 2005 | Cadillac | STS | — | — | — | Rear | Except Performance Brakes; Phenolic Piston; D922 |
| 2005 | Cadillac | STS | — | — | — | Front | Except Performance Brakes; Phenolic Piston; D921 |
| 2005 | Chevrolet | SSR | — | — | — | Front | Phenolic Piston; D882 |
| 2005 | Chevrolet | Trailblazer | — | — | — | Front | Phenolic Piston; D882 |
| 2005 | Chevrolet | Trailblazer EXT | — | — | — | Front | Phenolic Piston; D882 |
| 2005 | Ford | Five Hundred | — | — | — | Front | Phenolic Piston; D1070 |
| 2005 | Ford | Freestyle | — | — | — | Front | Phenolic Piston; D1070 |
| 2005 | GMC | Envoy | — | — | — | Front | Phenolic Piston; D882 |
| 2005 | GMC | Envoy XL | — | — | — | Front | Phenolic Piston; D882 |
| 2005 | GMC | Envoy XUV | — | — | — | Front | Phenolic Piston; D882 |
| 2005 | Isuzu | Ascender | — | — | — | Front | Phenolic Piston; D882 |
| 2005 | Mercury | Montego | — | — | — | Front | Phenolic Piston; D1070 |
| 2005 | Saab | 9-7x | — | — | — | Front | Phenolic Piston; D882 |
| 2004 | Buick | Rainier | — | — | — | Front | Phenolic Piston; D882 |
| 2004 | Cadillac | CTS | — | — | — | Rear | Phenolic Piston; D922 |
| 2004 | Cadillac | CTS | — | — | — | Front | Phenolic Piston; D921 |
| 2004 | Chevrolet | Silverado 1500 | — | — | — | Rear | D975; Disc Brake Caliper Piston |
| 2004 | Chevrolet | SSR | — | — | — | Front | Phenolic Piston; D882 |
| 2004 | Chevrolet | Trailblazer | — | — | — | Front | Phenolic Piston; D882 |
| 2004 | Chevrolet | Trailblazer EXT | — | — | — | Front | Phenolic Piston; D882 |
| 2004 | Ford | Mustang | GT | — | — | Front | Phenolic Piston; D804 |
| 2004 | Ford | Mustang | GT Equipado | — | — | Front | Phenolic Piston; D804 |
| 2004 | Ford | Mustang | GT Base | — | — | Front | Phenolic Piston; D804 |
| 2004 | Ford | Mustang | Base | — | — | Front | Phenolic Piston; D804 |
| 2004 | GMC | Envoy | — | — | — | Front | Phenolic Piston; D882 |
| 2004 | GMC | Envoy XL | — | — | — | Front | Phenolic Piston; D882 |
| 2004 | GMC | Envoy XUV | — | — | — | Front | Phenolic Piston; D882 |
| 2004 | GMC | Sierra 1500 | — | — | — | Rear | D975; Disc Brake Caliper Piston |
| 2004 | Isuzu | Ascender | — | — | — | Front | Phenolic Piston; D882 |
| 2004 | Oldsmobile | Bravada | — | — | — | Front | Phenolic Piston; D882 |
| 2003 | Cadillac | CTS | — | — | — | Rear | Phenolic Piston; D922 |
| 2003 | Cadillac | CTS | — | — | — | Front | Phenolic Piston; D921 |
| 2003 | Chevrolet | Avalanche 2500 | — | — | — | Rear | Phenolic Piston; D834 |
| 2003 | Chevrolet | Silverado 1500 | — | Extended Cab Pickup | — | Rear | 4 Wheel Steering; 330mm Rotors; Phenolic Piston; D834 |
| 2003 | Chevrolet | Silverado 1500 HD | — | — | — | Rear | 4 Wheel Steering; 330mm Rotors; Phenolic Piston; D834 |
| 2003 | Chevrolet | SSR | — | — | — | Front | Phenolic Piston; D882 |
| 2003 | Chevrolet | Trailblazer | — | — | — | Front | Phenolic Piston; D882 |
| 2003 | Chevrolet | Trailblazer EXT | — | — | — | Front | Phenolic Piston; D882 |
| 2003 | Ford | Mustang | GT | — | — | Front | Phenolic Piston; D804 |
| 2003 | Ford | Mustang | Equipado | — | — | Front | Phenolic Piston; D804 |
| 2003 | Ford | Mustang | Base | — | — | Front | Phenolic Piston; D804 |
| 2003 | GMC | Envoy | — | — | — | Front | Phenolic Piston; D882 |
| 2003 | GMC | Envoy XL | — | — | — | Front | Phenolic Piston; D882 |
| 2003 | GMC | Sierra 1500 | — | Extended Cab Pickup | — | Rear | 4 Wheel Steering; 330mm Rotors; Phenolic Piston; D834 |
| 2003 | GMC | Sierra 1500 HD | — | — | — | Rear | 4 Wheel Steering; 330mm Rotors; Phenolic Piston; D834 |
| 2003 | Isuzu | Ascender | — | — | — | Front | Phenolic Piston; D882 |
| 2003 | Oldsmobile | Bravada | — | — | — | Front | Phenolic Piston; D882 |
| 2002 | Cadillac | Escalade | — | — | — | Rear | 4 Wheel Steering; Phenolic Piston; D834 |
| 2002 | Chevrolet | Avalanche 2500 | — | — | — | Rear | Phenolic Piston; D834 |
| 2002 | Chevrolet | Suburban 1500 | — | — | — | Rear | Dual Piston Calipers; Phenolic Piston; D834 |
| 2002 | Chevrolet | Tahoe | — | — | 4WD | Rear | Phenolic Piston; D975 |
| 2002 | Chevrolet | Trailblazer | — | — | — | Front | Phenolic Piston; D882 |
| 2002 | Chevrolet | Trailblazer EXT | — | — | — | Front | Phenolic Piston; D882 |
| 2002 | Ford | Mustang | Equipado | — | — | Front | Phenolic Piston; D804 |
| 2002 | Ford | Mustang | Base | — | — | Front | Phenolic Piston; D804 |
| 2002 | GMC | Envoy | — | — | — | Front | Phenolic Piston; D882 |
| 2002 | GMC | Envoy XL | — | — | — | Front | Phenolic Piston; D882 |
| 2002 | GMC | Yukon | — | — | 4WD | Rear | Phenolic Piston; D834 |
| 2002 | GMC | Yukon XL 1500 | — | — | — | Rear | Phenolic Piston; D834 |
| 2002 | Oldsmobile | Bravada | — | — | — | Front | Phenolic Piston; D882 |
| 2001 | Chevrolet | Suburban 1500 | — | — | — | Rear | Dual Piston Calipers; Phenolic Piston; D834 |
| 2001 | Chevrolet | Tahoe | — | — | RWD | Rear | Phenolic Piston; D834 |
| 2001 | Chevrolet | Tahoe | — | — | 4WD | Rear | Limited Slip Axle; Phenolic Piston; D834 |
| 2001 | Ford | Mustang | GT | — | — | Front | Phenolic Piston; D804 |
| 2001 | Ford | Mustang | GT Bullitt | — | — | Front | Phenolic Piston; D804 |
| 2001 | Ford | Mustang | Equipado | — | — | Front | Phenolic Piston; D804 |
| 2001 | Ford | Mustang | Base | — | — | Front | Phenolic Piston; D804 |
| 2001 | GMC | Yukon | — | — | — | Rear | Limited Slip Axle; Phenolic Piston; D834 |
| 2001 | GMC | Yukon XL 1500 | — | — | — | Rear | Phenolic Piston; D834 |
| 2000 | Chevrolet | Suburban 1500 | — | — | — | Rear | Dual Piston Calipers; Phenolic Piston; D834 |
| 2000 | Chevrolet | Tahoe | — | — | RWD | Rear | Phenolic Piston; D834 |
| 2000 | Chevrolet | Tahoe | — | — | 4WD | Rear | Limited Slip Axle; Phenolic Piston; D834 |
| 2000 | Ford | Mustang | GT | — | — | Front | Phenolic Piston; D804 |
| 2000 | Ford | Mustang | Equipado | — | — | Front | Phenolic Piston; D804 |
| 2000 | Ford | Mustang | Base | — | — | Front | Phenolic Piston; D804 |
| 2000 | GMC | Yukon | — | — | — | Rear | Limited Slip Axle; Phenolic Piston; D834 |
| 2000 | GMC | Yukon XL 1500 | — | — | — | Rear | Phenolic Piston; D834 |
| 1999 | Ford | Mustang | GT | — | — | Front | Phenolic Piston; D804 |
| 1999 | Ford | Mustang | Base | — | — | Front | Phenolic Piston; D804 |
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