HomeBrake > Drums and RotorsDuraGo BD80109 Brake Drum - Rear
Part #: BD80109

DuraGo BD80109 Brake Drum - Rear

Rear
27 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, Pontiac, and Saturn, Cobalt, G5, Ion, G4, and Pursuit
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Overview of DuraGo BD80109 Brake Drum

The DuraGo BD80109 brake drum is engineered for reliable performance in Chevrolet, Pontiac, and Saturn vehicles. Designed with durable cast iron construction, this brake drum meets the specific requirements of models like the Chevrolet Cobalt, Pontiac G5, and Saturn Ion.

  • Constructed from full cast iron for strength and durability
  • Nominal drum diameter of 9.06 inches (230 mm) for precise fitment
  • Four bolt holes with a 3.94-inch (100 mm) bolt circle diameter
  • Brake surface width of 2.15 inches (54.5 mm) for effective braking
  • Overall height of 2.89 inches (73.5 mm) ensuring proper clearance

Detailed Product Description

The DuraGo BD80109 brake drum is a full cast iron component designed to provide consistent braking performance for select Chevrolet, Pontiac, and Saturn models. With a nominal diameter of 230 mm (9.06 inches) and a maximum discard diameter of 231 mm (9.09 inches), this brake drum maintains the necessary tolerances for safe operation. It features four bolt holes with a diameter of 14.4 mm (0.57 inches) arranged on a 100 mm (3.94 inches) bolt circle diameter, ensuring compatibility with the specified vehicle models. The brake surface width of 54.5 mm (2.15 inches) supports effective friction material contact, while the overall height of 73.5 mm (2.89 inches) fits within the original equipment specifications. This brake drum does not include an ABS tone ring or outer cooling fins and does not have a rust-resistant coating, which is typical for many OEM-style brake drums.

Compatible Vehicles and Applications

This brake drum is compatible with the following makes and models:

  • Chevrolet Cobalt
  • Pontiac G4, G5, Ion
  • Saturn Ion, Pursuit

It is designed to replace original equipment brake drums on these vehicles, ensuring proper fit and function.

Common Issues Addressed by DuraGo BD80109

  • Brake noise caused by worn or damaged drums
  • Reduced braking efficiency due to drum surface wear
  • Vibration or pulsation during braking from out-of-round drums
  • Brake fade resulting from overheated or warped drums
  • Corrosion-related damage affecting braking performance (note: no rust-resistant coating)

Installation Notes and Tips

  • Verify vehicle compatibility with Chevrolet, Pontiac, or Saturn models listed before installation
  • Inspect brake shoes and hardware for wear and replace as necessary
  • Measure drum diameter to ensure it is within discard limits before installation
  • Clean mounting surfaces to prevent improper seating
  • Torque bolts to manufacturer specifications to avoid warping

Quality Assurance and Warranty

DuraGo brake drums are manufactured to meet or exceed OEM standards for fit, form, and function. The BD80109 part number undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided, DuraGo products typically come with a limited warranty against defects in material and workmanship.

BrandDuraGo
Part NumberBD80109
ABS Tone Ring IncludedNo
Bolt Circle Diameter3.94
Bolt Circle Diameter100
Bolt Hole Diameter0.57
Bolt Hole Diameter14.4
Bolt Hole Quantity4
Brake Surface Width2.15
Brake Surface Width54.5
Center Hole Diameter2.24
Center Hole Diameter57
ConstructionFull Cast
MaterialCast Iron
Maximum Brake Diameter (Discard)9.09
Maximum Brake Diameter (Discard)231
Nominal Drum Diameter9.06
Nominal Drum Diameter230
Outer Cooling FinsNo
Outside Diameter10.67
Outside Diameter271
Overall Height2.89
Overall Height73.5
Rust Resistant CoatingNo

This part fits 27 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2008ChevroletCobaltRear4 Stud Wheels
2008PontiacG5BaseRear4 Stud Wheels
2008PontiacG5SERear4 Stud Wheels
2008PontiacG5LSRear4 Stud Wheels
2008PontiacG5BasicoRear4 Stud Wheels
2007ChevroletCobaltRear4 Stud Wheels
2007PontiacG5BaseRear4 Stud Wheels
2007PontiacG5SERear4 Stud Wheels
2007PontiacG5LSRear4 Stud Wheels
2007PontiacG5BasicoRear4 Stud Wheels
2007SaturnIon2Rear
2007SaturnIon3Rear
2006ChevroletCobaltRear
2006PontiacG4Rear
2006PontiacPursuitRear
2006SaturnIon2Rear
2006SaturnIon3Rear
2005ChevroletCobaltRear
2005PontiacG4Rear
2005PontiacPursuitRear
2005SaturnIon2Rear
2005SaturnIon1Rear
2005SaturnIon3Rear
2004SaturnIon2Rear
2004SaturnIon1Rear
2004SaturnIon3Rear
2003SaturnIonRear

* 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:

1236203512609922671542801099749AX80109BD126099P9749PDR0766

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