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GeoBrakes stocks OEM-grade brake drums confirmed to fit the Buick Regal, the cast-iron components that form the friction surface for the Regal drum brake shoes. Available in standard and corrosion-coated configurations for your Regal, every drum is manufactured to the correct inner diameter, wall thickness, and surface finish for the Buick Regal
Standard/OESelect your vehicle to see compatible products and accurate pricing
Standard/OESelect your vehicle to see compatible products and accurate pricing
The brake drum on the Buick Regal is the rotating cast-iron bowl that the Regal drum brake shoes press against to slow your vehicle. Mounted to the rear axle hub of your Buick Regal, it spins with the wheel and provides the friction surface that the shoes contact under braking. Unlike brake rotors, which can be visually inspected from outside the wheel on many Regal vehicles, Buick Regal brake drums fully enclose the shoe assembly, which means wear and damage often goes unnoticed until braking performance on the Buick Regal is noticeably affected.
Standard OEM-Grade Drums for the Buick Regal
Standard OEM-grade cast-iron drums for the Buick Regal are manufactured to the original equipment diameter, wall thickness, and surface finish specification for your Regal. They are the direct replacement for the factory Regal drum with no modification required.
Coated Brake Drums for the Buick Regal
Coated Buick Regal brake drums feature a corrosion-resistant coating applied to the external drum surfaces of your Regal, the hat section, outer wall, and wheel mounting face. Surface rust is a common issue on Buick Regal drum brake vehicles in US, particularly during periods of non-use in winter when moisture and salt collect inside the Regal wheel well. A coated drum on your Buick Regal resists surface rust that can transfer to the wheel mounting face, making future drum removal significantly easier at the next Regal brake service.
Buick Regal brake drum replacement requires matching the correct inner diameter, wall thickness, bolt circle, hub bore, and drum offset for your Regal. Errors in any of these dimensions produce incorrect shoe-to-drum clearance, uneven wear, and braking problems on the Buick Regal. Our vehicle selector eliminates those risks by confirming the correct drum for the Buick Regal exact year, make, model, and axle. Coated Regal drum options are available for vehicles with heavy salt exposure.
How long do brake drums last on a Buick Regal?
Buick Regal brake drums typically last 150,000 to 200,000 kilometres with periodic resurfacing, significantly longer than disc brake rotors on the Regal. Each resurfacing removes material from the Regal drum and reduces wall thickness. Once the Buick Regal drum reaches its maximum allowable inner diameter, it must be replaced rather than turned again.
Should I replace brake drums on my Buick Regal in pairs?
Yes. Replace both Buick Regal drums on the same axle to maintain balanced braking. Drums of different inner diameters on the Regal create uneven friction forces, causing the Buick Regal to pull to the fresher-drum side during braking.
Should I replace drums and shoes at the same time on my Buick Regal?
Yes, it is strongly recommended for the Buick Regal. New shoes on a scored or out-of-round Regal drum wear unevenly from day one. New Buick Regal drums with old shoes that have worn to match the old drum surface will contact the new bore incorrectly. Replacing both together on the Regal ensures proper break-in and maximum service life from both components.