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Dorman HW16446 Disc Brake Caliper Bushing - Front
Reliable Disc Brake Caliper Bushing for Buick and Chevrolet Vehicles
The Dorman HW16446 disc brake caliper bushing is designed to provide a secure and smooth operation for your vehicle's braking system. Compatible with select Buick, Cadillac, Chevrolet, GMC, and Isuzu models, this part includes a protective boot to ensure durability and performance.
- Includes boot for enhanced protection against dirt and moisture
- Package contains one disc brake caliper bushing
- Compatible with Buick Lucerne, Chevrolet Impala, GMC Canyon, Colorado, and Isuzu i-280, i-290, i-350, i-370 models
- Part number HW16446 for precise identification and fitment
Durable Design and Compatibility Details
The Dorman HW16446 disc brake caliper bushing is engineered to maintain proper caliper alignment and reduce wear on braking components. The included boot helps prevent contamination from road debris and moisture, extending the life of the bushing. This part is specifically compatible with a range of vehicles including Buick Lucerne, Cadillac DTS, Chevrolet Impala, GMC Canyon and Colorado, as well as Isuzu i-280, i-290, i-350, and i-370 models, ensuring a precise fit and reliable performance.
Common Applications and Problem Resolution
- Eliminates caliper movement noise and vibration
- Prevents uneven brake pad wear caused by loose bushings
- Reduces brake caliper sticking or binding issues
- Helps maintain consistent brake pedal feel and response
- Protects caliper pins from corrosion and debris
Installation Notes and Tips
When installing the Dorman HW16446 disc brake caliper bushing, ensure the caliper is properly supported and the mounting surfaces are clean. The included boot should be seated correctly to prevent contamination. Lubricate the bushing and caliper pins with a high-temperature brake grease to facilitate smooth movement. Verify fitment compatibility with your specific Buick, Cadillac, Chevrolet, GMC, or Isuzu model before installation.
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The HW16446 disc brake caliper bushing undergoes rigorous quality control to ensure durability and reliable performance. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.
| Brand | Dorman |
|---|---|
| Part Number | HW16446 |
| Boot Included | Yes |
| Package Contents | Disc Brake Caliper Bushing |
This part fits 60 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Buick | Lucerne | Front | ||||
| 2011 | Cadillac | DTS | Front | Exc. Heavy Duty Brakes | |||
| 2011 | Chevrolet | Impala | 3.5L | V6 | Front | ||
| 2011 | Chevrolet | Impala | LTZ | Front | |||
| 2010 | Buick | Lucerne | Front | ||||
| 2010 | Cadillac | DTS | Front | Exc. Heavy Duty Brakes | |||
| 2010 | Chevrolet | Impala | 3.5L | V6 | Front | ||
| 2010 | Chevrolet | Impala | LTZ | Front | |||
| 2009 | Buick | Allure | Front | Dual Piston Caliper | |||
| 2009 | Buick | LaCrosse | Front | Dual Piston Caliper | |||
| 2009 | Buick | Lucerne | Front | ||||
| 2009 | Cadillac | DTS | Front | Exc. Heavy Duty Brakes | |||
| 2009 | Chevrolet | Impala | Front | ||||
| 2008 | Buick | Allure | Front | Dual Piston Caliper | |||
| 2008 | Buick | LaCrosse | Front | Dual Piston Caliper | |||
| 2008 | Buick | Lucerne | Front | ||||
| 2008 | Cadillac | DTS | Front | Exc. Heavy Duty Brakes | |||
| 2008 | Chevrolet | Colorado | 2.9L | L4 | Front | ||
| 2008 | Chevrolet | Colorado | 3.7L | L5 | Front | ||
| 2008 | Chevrolet | Impala | Front | ||||
| 2008 | GMC | Canyon | 2.9L | L4 | Front | ||
| 2008 | GMC | Canyon | 3.7L | L5 | Front | ||
| 2008 | Isuzu | i-290 | Front | ||||
| 2008 | Isuzu | i-370 | Front | ||||
| 2007 | Buick | Lucerne | Front | ||||
| 2007 | Cadillac | DTS | Front | Exc. Heavy Duty Brakes | |||
| 2007 | Chevrolet | Colorado | 2.9L | L4 | Front | ||
| 2007 | Chevrolet | Colorado | 3.7L | L5 | Front | ||
| 2007 | Chevrolet | Impala | Front | ||||
| 2007 | GMC | Canyon | 2.9L | L4 | Front | ||
| 2007 | GMC | Canyon | 3.7L | L5 | Front | ||
| 2007 | Isuzu | i-290 | Front | ||||
| 2007 | Isuzu | i-370 | Front | ||||
| 2006 | Buick | Lucerne | Front | ||||
| 2006 | Cadillac | DTS | Front | Exc. Heavy Duty Brakes | |||
| 2006 | Chevrolet | Colorado | 2.8L | L4 | Front | ||
| 2006 | Chevrolet | Colorado | LT | 3.5L | L5 | Front | |
| 2006 | Chevrolet | Colorado | WT | 3.5L | L5 | Front | |
| 2006 | Chevrolet | Impala | Front | ||||
| 2006 | GMC | Canyon | Front | ||||
| 2006 | Isuzu | i-280 | Front | ||||
| 2006 | Isuzu | i-350 | Front | ||||
| 2005 | Chevrolet | Colorado | 2.8L | L4 | Front | ||
| 2005 | Chevrolet | Colorado | Sport LS | 3.5L | L5 | Front | |
| 2005 | Chevrolet | Colorado | Z71 LS | 3.5L | L5 | Front | |
| 2005 | Chevrolet | Colorado | Z85 LS | 3.5L | L5 | Front | |
| 2005 | Chevrolet | Colorado | Z85 | 3.5L | L5 | Front | |
| 2005 | Chevrolet | Colorado | Sport | 3.5L | L5 | Front | |
| 2005 | Chevrolet | Colorado | Z71 | 3.5L | L5 | Front | |
| 2005 | GMC | Canyon | Front | ||||
| 2004 | Chevrolet | Colorado | 2.8L | L4 | Front | ||
| 2004 | Chevrolet | Colorado | Base | 3.5L | L5 | Front | |
| 2004 | Chevrolet | Colorado | Sport LS | 3.5L | L5 | Front | |
| 2004 | Chevrolet | Colorado | Z71 LS | 3.5L | L5 | Front | |
| 2004 | Chevrolet | Colorado | Z85 LS | 3.5L | L5 | Front | |
| 2004 | Chevrolet | Colorado | Z85 | 3.5L | L5 | Front | |
| 2004 | Chevrolet | Colorado | Sport | 3.5L | L5 | Front | |
| 2004 | Chevrolet | Colorado | Z71 | 3.5L | L5 | Front | |
| 2004 | Chevrolet | Colorado | LS | 3.5L | L5 | Front | |
| 2004 | GMC | Canyon | Front |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.