HomeBrake > Drums and RotorsDuraGo BD920138 Brake Drum - Rear
Part #: BD920138

DuraGo BD920138 Brake Drum - Rear

Rear
8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and Pontiac, Cobalt and G5
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of DuraGo BD920138 Brake Drum for Chevrolet Cobalt and Pontiac G5

The DuraGo BD920138 brake drum is engineered for reliable braking performance on Chevrolet Cobalt and Pontiac G5 models. Constructed from full cast iron, this brake drum offers durability and consistent operation for your vehicle's braking system.

  • Material: Full cast iron construction for strength and heat resistance
  • Outside Diameter: 10.79 inches (274 mm)
  • Nominal Drum Diameter: 9 inches (228.6 mm)
  • Maximum Brake Diameter (Discard): 9.08 inches (230.6 mm)
  • Bolt Hole Quantity: 4 with 0.55 inch (14 mm) diameter
  • Bolt Circle Diameter: 3.94 inches (100 mm)
  • Brake Surface Width: 2.02 inches (51.2 mm)
  • Center Hole Diameter: 2.24 inches (57 mm)
  • Overall Height: 2.81 inches (71.4 mm)
  • No ABS tone ring or outer cooling fins included

Detailed Product Description

The DuraGo BD920138 brake drum is designed specifically for use on Chevrolet Cobalt and Pontiac G5 vehicles, ensuring proper fitment and function. Its full cast iron construction provides the necessary strength to withstand the heat and friction generated during braking. The brake drum features a nominal diameter of 9 inches and an outside diameter of 10.79 inches, with a brake surface width of just over 2 inches, providing ample surface area for brake shoe contact. The 4-bolt hole pattern with a 3.94-inch bolt circle diameter matches the factory specifications for these models. This brake drum does not include an ABS tone ring or cooling fins, which aligns with the original equipment design for these vehicles.

Common Applications and Issues Addressed

  • Replacement for worn or scored brake drums on Chevrolet Cobalt and Pontiac G5
  • Resolves brake pulsation caused by uneven drum surfaces
  • Addresses noise issues related to damaged or warped drums
  • Restores proper braking performance and pedal feel
  • Prevents further damage to brake shoes by providing a smooth braking surface

Installation Notes and Tips

  • Ensure compatibility with Chevrolet Cobalt and Pontiac G5 models before installation
  • Inspect brake shoes and hardware for wear and replace if necessary during drum replacement
  • Clean mounting surfaces and check for proper bolt torque to avoid vibration
  • Measure drum diameter to confirm it is within discard limits before installation
  • Brake system should be properly adjusted after installation for optimal performance

Quality Assurance and Warranty

DuraGo brake drums are manufactured to meet or exceed OEM specifications for fit and function. The BD920138 part number undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided here, DuraGo products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandDuraGo
Part NumberBD920138
ABS Tone Ring IncludedNo
Bolt Circle Diameter3.94
Bolt Circle Diameter100
Bolt Hole Diameter0.55
Bolt Hole Diameter14
Bolt Hole Quantity4
Brake Surface Width2.02
Brake Surface Width51.2
Center Hole Diameter2.24
Center Hole Diameter57
ConstructionFull Cast
MaterialCast Iron
Maximum Brake Diameter (Discard)9.08
Maximum Brake Diameter (Discard)230.6
Nominal Drum Diameter9
Nominal Drum Diameter228.6
Outer Cooling FinsNo
Outside Diameter10.79
Outside Diameter274
Overall Height2.81
Overall Height71.4
Rust Resistant CoatingNo

This part fits 8 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2010ChevroletCobaltRear4 Stud Wheels
2010PontiacG5BaseRear4 Stud Wheels
2010PontiacG5SERear4 Stud Wheels
2009ChevroletCobaltRear4 Stud Wheels
2009PontiacG5BaseRear4 Stud Wheels
2009PontiacG5SERear4 Stud Wheels
2009PontiacG5LSRear4 Stud Wheels
2009PontiacG5BasicoRear4 Stud Wheels

* 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:

1236203825836302801278013192013897959808AX920138BD180303P920138

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