Standard/OE$57.18
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GeoBrakes stocks complete brake drum kits confirmed to fit the Buick Somerset Regal, pairing OEM-grade brake drums at the correct inner diameter for the Somerset Regal with matched drum brake shoes and hardware for a full rear drum brake overhaul on your Buick Somerset Regal in a single package. Every kit ensures drums and shoes are replaced together on the Somerset Regal, the only way to achieve correct contact geometry and maximum service life from both components. Each kit ships with a 100% fitment guarantee and free delivery across US on orders over $99.
Standard/OE$57.18
10 items in stock
Select your vehicle to see compatible products and accurate pricing

Transit Auto
$80.23
10 items in stock
Select your vehicle to see compatible products and accurate pricing
A brake drum kit for the Buick Somerset Regal addresses the most common brake service shortcut: replacing shoes on a worn Somerset Regal drum, or fitting new drums with glazed, worn shoes. Either combination prevents correct break-in on the Buick Somerset Regal. New shoes have a specific arc radius that must contact a fresh drum surface across the full lining width on your Somerset Regal. A GeoBrakes drum kit eliminates that incompatibility by delivering matched drums and shoes confirmed for your Buick Somerset Regal in a single order.
The kit for your Buick Somerset Regal includes OEM-spec cast-iron brake drums at the correct inner diameter for the Somerset Regal for both left and right rear wheels, drum brake shoes with OEM-grade friction lining matched to the Buick Somerset Regal drum bore and wheel cylinder specification, a brake hardware kit with return springs, hold-down hardware, and self-adjusters specific to the Somerset Regal, and drum retaining hardware where required by the Buick Somerset Regal application.
Road salt and freeze-thaw cycles deteriorate every component in the Buick Somerset Regal drum brake system over the same service interval. By the time a Somerset Regal drum is worn, the shoes are typically at or near minimum thickness, the hardware is corroded, and the wheel cylinder boots are deteriorating on your Buick Somerset Regal. Replacing drums and shoes alone while leaving worn springs and seized adjusters on the Somerset Regal produces a service that underperforms within months.
Drum and shoe arc radius must match exactly for correct contact geometry on the Buick Somerset Regal. An incorrect drum diameter or wrong-spec shoe lining for the Somerset Regal produces immediate uneven wear and noise. Every kit in the GeoBrakes catalogue is assembled for the Buick Somerset Regal, drum diameter, shoe arc, and hardware spring rates all confirmed as a matched set specific to the Somerset Regal.
How do I know if I need a basic or full-service kit for my Buick Somerset Regal?
A basic kit for the Buick Somerset Regal is appropriate when the wheel cylinders have been recently replaced and show no signs of leaking. A full-service kit is the stronger choice during a high-mileage Somerset Regal overhaul, particularly on American Buick Somerset Regal vehicles with significant winter salt exposure.
Should I replace drum kits on both rear wheels of my Buick Somerset Regal at the same time?
Yes. Always replace drum brake components on the Buick Somerset Regal as an axle set, both left and right rear, to maintain balanced braking force. Drums and shoes at different wear stages on the Somerset Regal create uneven rear braking that pulls the vehicle to one side.
Can I install a brake drum kit on my Buick Somerset Regal myself?
Rear drum brake service on the Buick Somerset Regal is a moderately advanced DIY task. It requires removing the drum, dismantling the shoe assembly on the Somerset Regal, correctly routing return springs, and adjusting shoes to the correct drum clearance. A service manual specific to the Buick Somerset Regal is essential.