HomeDorman HW16446 Disc Brake Caliper Bushing - Front
Part #: HW16446

Dorman HW16446 Disc Brake Caliper Bushing - Front

Front
60 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Cadillac, Chevrolet, GMC, and Isuzu, Lucerne, DTS, Impala, Colorado, Canyon, i-290, i-370, i-280, and i-350
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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.

BrandDorman
Part NumberHW16446
Boot IncludedYes
Package ContentsDisc Brake Caliper Bushing

This part fits 60 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2011BuickLucerneFront
2011CadillacDTSFrontExc. Heavy Duty Brakes
2011ChevroletImpala3.5LV6Front
2011ChevroletImpalaLTZFront
2010BuickLucerneFront
2010CadillacDTSFrontExc. Heavy Duty Brakes
2010ChevroletImpala3.5LV6Front
2010ChevroletImpalaLTZFront
2009BuickAllureFrontDual Piston Caliper
2009BuickLaCrosseFrontDual Piston Caliper
2009BuickLucerneFront
2009CadillacDTSFrontExc. Heavy Duty Brakes
2009ChevroletImpalaFront
2008BuickAllureFrontDual Piston Caliper
2008BuickLaCrosseFrontDual Piston Caliper
2008BuickLucerneFront
2008CadillacDTSFrontExc. Heavy Duty Brakes
2008ChevroletColorado2.9LL4Front
2008ChevroletColorado3.7LL5Front
2008ChevroletImpalaFront
2008GMCCanyon2.9LL4Front
2008GMCCanyon3.7LL5Front
2008Isuzui-290Front
2008Isuzui-370Front
2007BuickLucerneFront
2007CadillacDTSFrontExc. Heavy Duty Brakes
2007ChevroletColorado2.9LL4Front
2007ChevroletColorado3.7LL5Front
2007ChevroletImpalaFront
2007GMCCanyon2.9LL4Front
2007GMCCanyon3.7LL5Front
2007Isuzui-290Front
2007Isuzui-370Front
2006BuickLucerneFront
2006CadillacDTSFrontExc. Heavy Duty Brakes
2006ChevroletColorado2.8LL4Front
2006ChevroletColoradoLT3.5LL5Front
2006ChevroletColoradoWT3.5LL5Front
2006ChevroletImpalaFront
2006GMCCanyonFront
2006Isuzui-280Front
2006Isuzui-350Front
2005ChevroletColorado2.8LL4Front
2005ChevroletColoradoSport LS3.5LL5Front
2005ChevroletColoradoZ71 LS3.5LL5Front
2005ChevroletColoradoZ85 LS3.5LL5Front
2005ChevroletColoradoZ853.5LL5Front
2005ChevroletColoradoSport3.5LL5Front
2005ChevroletColoradoZ713.5LL5Front
2005GMCCanyonFront
2004ChevroletColorado2.8LL4Front
2004ChevroletColoradoBase3.5LL5Front
2004ChevroletColoradoSport LS3.5LL5Front
2004ChevroletColoradoZ71 LS3.5LL5Front
2004ChevroletColoradoZ85 LS3.5LL5Front
2004ChevroletColoradoZ853.5LL5Front
2004ChevroletColoradoSport3.5LL5Front
2004ChevroletColoradoZ713.5LL5Front
2004ChevroletColoradoLS3.5LL5Front
2004GMCCanyonFront

* 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:

1613716446H8278

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.