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DuraGo
DuraGo BR55057 Disc Brake Rotor - Rear
| Brand | DuraGo BR55057 |
|---|---|
| Position | Rear |
| ABS Tone Ring Included | No |
| Center Hole Diameter | 4.63 |
| Center Hole Diameter | 117.7 |
| Construction | Full Cast |
| Conventional Or Drum-In-Hat Type Rotor | Drum-In-Hat |
| Cross Drilled | No |
| Directional or Non-Directional Brake Surface | Non-Directional |
| Discard Thickness | 1.04 |
| Discard Thickness | 26.5 |
| Material | Cast Iron |
| Mounting Bolt Hole Circle Diameter | 6.5 |
| Mounting Bolt Hole Circle Diameter | 165.1 |
| Mounting Bolt Hole Diameter | 0.63 |
| Mounting Bolt Hole Diameter | 15.9 |
| Mounting Bolt Hole Quantity | 8 |
| Nominal Thickness | 1.14 |
| Nominal Thickness | 29 |
| Outside Diameter | 12.99 |
| Outside Diameter | 330 |
| Overall Height | 3.43 |
| Overall Height | 87 |
| Rust Resistant Coating | No |
| Slotted | No |
| Solid Or Vented Type Rotor | Vented |
| Fits | Chevrolet, GMC, and Hummer · 98 vehicles |
Cast iron construction. Full-cast rotor for dependable braking performance.
Vented design. Helps dissipate heat for more consistent stopping.
Non-directional surface. Simplifies installation and brake pad bedding.
Cross-references Dorman - HELP 56830, Four Seasons 55057 and Parts Authority PRT5262 for the same application. See all 9.
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Disc Brake Rotors are typically replaced in pairs, axle by axle.
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Free returns within 60 days if it doesn't fit when fitment is verified.
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DuraGo BR55057 Rear Disc Brake Rotor
The DuraGo BR55057 is a rear vented disc brake rotor built from cast iron with a full cast construction for consistent braking performance. It is engineered for select Chevrolet, GMC, and Hummer applications, including Silverado 2500 HD, Sierra 2500 HD, Express 2500, Savana 2500, and H2 models.
- Cast iron rotor with full cast construction
- Vented design for rear brake applications
- Outside diameter: 12.99 in. / 330 mm
- Nominal thickness: 1.14 in. / 29 mm
- Discard thickness: 1.04 in. / 26.5 mm
- Overall height: 3.43 in. / 87 mm
- 8 mounting bolt holes
- Non-directional brake surface
- Drum-in-hat rotor design
- No cross-drilling or slotting
Fitment and Application Details
Compatible With rear brake applications on select Chevrolet, GMC, and Hummer trucks and SUVs from 1999-2014. This part number, BR55057, is commonly searched for rear rotor replacement on Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, and Chevrolet Express 3500 platforms.
- Fits 2011-2014 Chevrolet Express 3500, rear; SRW; 4.63 Inch Center Hole Diameter; Limited Slip Positraction Axle
- Fits 2011-2014 GMC Savana 3500, rear; SRW; 4.63 Inch Center Hole Diameter; Limited Slip Positraction Axle
- Fits 2010 Chevrolet Express 2500, rear
- Fits 2006-2007 Chevrolet Express 2500, rear
- Fits 2010 GMC Savana 2500, rear
- Fits 2006-2007 GMC Savana 2500, rear
- Fits 2008-2009 Chevrolet Express 2500, rear; Except Electronic Stability Control
- Fits 2008-2009 GMC Savana 2500, rear; Except Electronic Stability Control
- Fits 2003-2009 Hummer H2, rear
- Fits 2005-2008 Chevrolet Express 3500, rear; SRW; 4.63 Inch Center Hole Diameter
- Fits 2005-2008 GMC Savana 3500, rear; SRW; 4.63 Inch Center Hole Diameter
- Fits 2007 Chevrolet Silverado 1500 HD Classic, rear
- Fits 2007 Chevrolet Suburban 2500, rear
- Fits 2007 GMC Sierra 1500 HD Classic, rear
- Fits 2007 GMC Yukon XL 2500, rear
- Fits 2005-2006 Chevrolet Silverado 1500 HD, rear; 2-Wheel Steering
- Fits 2003 Chevrolet Silverado 1500 HD, rear; 2-Wheel Steering
- Fits 2001-2006 Chevrolet Silverado 2500 HD, rear; 4.63 Inch Center Hole Diameter
- Fits 2003-2006 Chevrolet Suburban 2500, rear; 2-Wheel Steering; 4.63 Inch Center Hole Diameter
- Fits 2005-2006 GMC Sierra 1500 HD, rear; 2-Wheel Steering
- Fits 2003 GMC Sierra 1500 HD, rear; 2-Wheel Steering
- Fits 2005-2006 GMC Sierra 2500 HD, rear; 4.63 Inch Center Hole Diameter
- Fits 2006 GMC Yukon XL 2500, rear; 4.63 Inch Center Hole Diameter
- Fits 2000-2002 GMC Yukon XL 2500, rear; 4.63 Inch Center Hole Diameter
- Fits 2003-2005 Chevrolet Express 2500, rear; 8 Lug; GVW 8,500 & 8,600 Lbs.
- Fits 2003-2005 GMC Savana 2500, rear; 8 Lug; GVW 8,500 & 8,600 Lbs.
- Fits 2003-2005 GMC Yukon XL 2500, rear; 2-Wheel Steering; 4.63 Inch Center Hole Diameter
- Fits 2003-2004 Chevrolet Silverado 2500, rear; 2-Wheel Steering; 4.63 Inch Center Hole Diameter
- Fits 2001-2004 GMC Sierra 2500, rear
- Fits 2002 Chevrolet Avalanche 2500, rear; 4.63 Inch Center Hole Diameter
- Fits 2001-2002 Chevrolet Silverado 1500 HD, rear
- Fits 1999-2002 Chevrolet Silverado 2500, rear; 4.63 Inch Center Hole Diameter
- Fits 2000-2002 Chevrolet Suburban 2500, rear; 4.63 Inch Center Hole Diameter
- Fits 2001-2002 GMC Sierra 1500 HD, rear
- Fits 1999-2000 GMC Sierra 2500, rear; 4.63 Inch Center Hole Diameter
What This Rotor Helps Address
- Rear brake pulsation caused by worn rotor surfaces
- Brake fade from heat-affected or below-spec rotors
- Uneven braking feel on heavy-duty Chevrolet and GMC applications
- Noise and vibration associated with rotor wear
- Service replacement for drum-in-hat rear brake setups
Installation Notes and Tips
Verify the rear axle configuration, center hole diameter, and vehicle brake package before installation. This rotor is listed for vented rear applications with an 8-lug bolt pattern on select models, and several fitments include notes such as SRW, 2-wheel steering, or exclusion of Electronic Stability Control. Confirm rotor dimensions against the existing part before service. BR55057 is a direct-fit style replacement for the listed applications, including Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD rear brake service.
Quality Assurance
DuraGo has over 45 years of aftermarket manufacturing experience, with brake drums and rotors positioned for professional repair use. The brand states that its products are made in ISO-certified factories and built to meet fit, form, and function requirements for the intended applications. This part cross-references Four Seasons 55057 and Dorman - HELP 56830 for the same application.
This part fits 98 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Drive Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2014 | Chevrolet | Express 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter; Limited Slip Positraction Axle |
| 2014 | GMC | Savana 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter; Limited Slip Positraction Axle |
| 2013 | Chevrolet | Express 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter; Limited Slip Positraction Axle |
| 2013 | GMC | Savana 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter; Limited Slip Positraction Axle |
| 2012 | Chevrolet | Express 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter; Limited Slip Positraction Axle |
| 2012 | GMC | Savana 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter; Limited Slip Positraction Axle |
| 2011 | Chevrolet | Express 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter; Limited Slip Positraction Axle |
| 2011 | GMC | Savana 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter; Limited Slip Positraction Axle |
| 2010 | Chevrolet | Express 2500 | — | — | 6.0L | V8 | Rear | — |
| 2010 | Chevrolet | Express 2500 | — | — | 4.8L | V8 | Rear | — |
| 2010 | GMC | Savana 2500 | — | — | 6.0L | V8 | Rear | — |
| 2010 | GMC | Savana 2500 | — | — | 4.8L | V8 | Rear | — |
| 2009 | Chevrolet | Express 2500 | — | — | 6.0L | V8 | Rear | Except Electronic Stability Control |
| 2009 | Chevrolet | Express 2500 | — | — | 4.8L | V8 | Rear | Except Electronic Stability Control |
| 2009 | GMC | Savana 2500 | — | — | 6.0L | V8 | Rear | Except Electronic Stability Control |
| 2009 | GMC | Savana 2500 | — | — | 4.8L | V8 | Rear | Except Electronic Stability Control |
| 2009 | Hummer | H2 | — | — | — | — | Rear | — |
| 2008 | Chevrolet | Express 2500 | — | — | 6.0L | V8 | Rear | Except Electronic Stability Control |
| 2008 | Chevrolet | Express 2500 | — | — | 4.8L | V8 | Rear | Except Electronic Stability Control |
| 2008 | Chevrolet | Express 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter |
| 2008 | GMC | Savana 2500 | — | — | 6.0L | V8 | Rear | Except Electronic Stability Control |
| 2008 | GMC | Savana 2500 | — | — | 4.8L | V8 | Rear | Except Electronic Stability Control |
| 2008 | GMC | Savana 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter |
| 2008 | Hummer | H2 | — | — | — | — | Rear | — |
| 2007 | Chevrolet | Express 2500 | — | — | 6.0L | V8 | Rear | — |
| 2007 | Chevrolet | Express 2500 | — | — | 4.8L | V8 | Rear | — |
| 2007 | Chevrolet | Express 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter |
| 2007 | Chevrolet | Silverado 1500 HD Classic | — | — | — | — | Rear | — |
| 2007 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | — |
| 2007 | GMC | Savana 2500 | — | — | 6.0L | V8 | Rear | — |
| 2007 | GMC | Savana 2500 | — | — | 4.8L | V8 | Rear | — |
| 2007 | GMC | Savana 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter |
| 2007 | GMC | Sierra 1500 HD Classic | — | — | — | — | Rear | — |
| 2007 | GMC | Yukon XL 2500 | — | — | — | — | Rear | — |
| 2007 | Hummer | H2 | — | — | — | — | Rear | — |
| 2006 | Chevrolet | Express 2500 | — | — | 6.0L | V8 | Rear | — |
| 2006 | Chevrolet | Express 2500 | — | — | 4.8L | V8 | Rear | — |
| 2006 | Chevrolet | Express 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter |
| 2006 | Chevrolet | Silverado 1500 HD | — | — | — | — | Rear | 2-Wheel Steering |
| 2006 | Chevrolet | Silverado 2500 HD | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2006 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | 2-Wheel Steering; 4.63 Inch Center Hole Diameter |
| 2006 | GMC | Savana 2500 | — | — | 6.0L | V8 | Rear | — |
| 2006 | GMC | Savana 2500 | — | — | 4.8L | V8 | Rear | — |
| 2006 | GMC | Savana 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter |
| 2006 | GMC | Sierra 1500 HD | — | — | — | — | Rear | 2-Wheel Steering |
| 2006 | GMC | Sierra 2500 HD | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2006 | GMC | Yukon XL 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2006 | Hummer | H2 | — | — | — | — | Rear | — |
| 2005 | Chevrolet | Express 2500 | — | — | — | — | Rear | 8 Lug; GVW 8,500 & 8,600 Lbs. |
| 2005 | Chevrolet | Express 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter |
| 2005 | Chevrolet | Silverado 1500 HD | — | — | — | — | Rear | 2-Wheel Steering |
| 2005 | Chevrolet | Silverado 2500 HD | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2005 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | 2-Wheel Steering; 4.63 Inch Center Hole Diameter |
| 2005 | GMC | Savana 2500 | — | — | — | — | Rear | 8 Lug; GVW 8,500 & 8,600 Lbs. |
| 2005 | GMC | Savana 3500 | — | — | — | — | Rear | SRW; 4.63 Inch Center Hole Diameter |
| 2005 | GMC | Sierra 1500 HD | — | — | — | — | Rear | 2-Wheel Steering |
| 2005 | GMC | Sierra 2500 HD | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2005 | GMC | Yukon XL 2500 | — | — | — | — | Rear | 2-Wheel Steering; 4.63 Inch Center Hole Diameter |
| 2005 | Hummer | H2 | — | — | — | — | Rear | — |
| 2004 | Chevrolet | Express 2500 | — | — | — | — | Rear | 8 Lug; GVW 8,500 & 8,600 Lbs. |
| 2004 | Chevrolet | Silverado 2500 | — | — | — | — | Rear | 2-Wheel Steering; 4.63 Inch Center Hole Diameter |
| 2004 | Chevrolet | Silverado 2500 HD | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2004 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | 2-Wheel Steering; 4.63 Inch Center Hole Diameter |
| 2004 | GMC | Savana 2500 | — | — | — | — | Rear | 8 Lug; GVW 8,500 & 8,600 Lbs. |
| 2004 | GMC | Sierra 2500 | — | Automatic | — | — | Rear | — |
| 2004 | GMC | Yukon XL 2500 | — | — | — | — | Rear | 2-Wheel Steering; 4.63 Inch Center Hole Diameter |
| 2004 | Hummer | H2 | — | — | — | — | Rear | — |
| 2003 | Chevrolet | Express 2500 | — | — | — | — | Rear | 8 Lug; GVW 8,500 & 8,600 Lbs. |
| 2003 | Chevrolet | Silverado 1500 HD | — | — | — | — | Rear | 2-Wheel Steering |
| 2003 | Chevrolet | Silverado 2500 | — | — | — | — | Rear | 2-Wheel Steering; 4.63 Inch Center Hole Diameter |
| 2003 | Chevrolet | Silverado 2500 HD | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2003 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | 2-Wheel Steering; 4.63 Inch Center Hole Diameter |
| 2003 | GMC | Savana 2500 | — | — | — | — | Rear | 8 Lug; GVW 8,500 & 8,600 Lbs. |
| 2003 | GMC | Sierra 1500 HD | — | — | — | — | Rear | 2-Wheel Steering |
| 2003 | GMC | Sierra 2500 | — | Automatic | — | — | Rear | — |
| 2003 | GMC | Yukon XL 2500 | — | — | — | — | Rear | 2-Wheel Steering; 4.63 Inch Center Hole Diameter |
| 2003 | Hummer | H2 | — | — | — | — | Rear | — |
| 2002 | Chevrolet | Avalanche 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2002 | Chevrolet | Silverado 1500 HD | — | — | — | — | Rear | — |
| 2002 | Chevrolet | Silverado 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2002 | Chevrolet | Silverado 2500 HD | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2002 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2002 | GMC | Sierra 1500 HD | — | — | — | — | Rear | — |
| 2002 | GMC | Sierra 2500 | — | Automatic | — | — | Rear | — |
| 2002 | GMC | Yukon XL 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2001 | Chevrolet | Silverado 1500 HD | — | — | — | — | Rear | — |
| 2001 | Chevrolet | Silverado 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2001 | Chevrolet | Silverado 2500 HD | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2001 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2001 | GMC | Sierra 1500 HD | 4WD | — | — | — | Rear | — |
| 2001 | GMC | Sierra 2500 | — | Automatic | — | — | Rear | — |
| 2001 | GMC | Yukon XL 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2000 | Chevrolet | Silverado 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2000 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2000 | GMC | Sierra 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 2000 | GMC | Yukon XL 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 1999 | Chevrolet | Silverado 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| 1999 | GMC | Sierra 2500 | — | — | — | — | Rear | 4.63 Inch Center Hole Diameter |
| No rows match your filter. | ||||||||
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 56830Four Seasons — 55057Parts Authority — PRT52621256561216604315712801AX55057BD125656P56830