Standard/OE$89.84
10 items in stock
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GeoBrakes stocks complete brake drum kits confirmed to fit the Cadillac Commercial Chassis, pairing OEM-grade brake drums at the correct inner diameter for the Commercial Chassis with matched drum brake shoes and hardware for a full rear drum brake overhaul on your Cadillac Commercial Chassis in a single package. Every kit ensures drums and shoes are replaced together on the Commercial Chassis, 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$89.84
10 items in stock
Select your vehicle to see compatible products and accurate pricing

Transit Auto
$125.64
10 items in stock
Select your vehicle to see compatible products and accurate pricing

Transit Auto
$138.63
10 items in stock
Select your vehicle to see compatible products and accurate pricing
A brake drum kit for the Cadillac Commercial Chassis addresses the most common brake service shortcut: replacing shoes on a worn Commercial Chassis drum, or fitting new drums with glazed, worn shoes. Either combination prevents correct break-in on the Cadillac Commercial Chassis. New shoes have a specific arc radius that must contact a fresh drum surface across the full lining width on your Commercial Chassis. A GeoBrakes drum kit eliminates that incompatibility by delivering matched drums and shoes confirmed for your Cadillac Commercial Chassis in a single order.
The kit for your Cadillac Commercial Chassis includes OEM-spec cast-iron brake drums at the correct inner diameter for the Commercial Chassis for both left and right rear wheels, drum brake shoes with OEM-grade friction lining matched to the Cadillac Commercial Chassis drum bore and wheel cylinder specification, a brake hardware kit with return springs, hold-down hardware, and self-adjusters specific to the Commercial Chassis, and drum retaining hardware where required by the Cadillac Commercial Chassis application.
Road salt and freeze-thaw cycles deteriorate every component in the Cadillac Commercial Chassis drum brake system over the same service interval. By the time a Commercial Chassis 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 Cadillac Commercial Chassis. Replacing drums and shoes alone while leaving worn springs and seized adjusters on the Commercial Chassis produces a service that underperforms within months.
Drum and shoe arc radius must match exactly for correct contact geometry on the Cadillac Commercial Chassis. An incorrect drum diameter or wrong-spec shoe lining for the Commercial Chassis produces immediate uneven wear and noise. Every kit in the GeoBrakes catalogue is assembled for the Cadillac Commercial Chassis, drum diameter, shoe arc, and hardware spring rates all confirmed as a matched set specific to the Commercial Chassis.
How do I know if I need a basic or full-service kit for my Cadillac Commercial Chassis?
A basic kit for the Cadillac Commercial Chassis 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 Commercial Chassis overhaul, particularly on American Cadillac Commercial Chassis vehicles with significant winter salt exposure.
Should I replace drum kits on both rear wheels of my Cadillac Commercial Chassis at the same time?
Yes. Always replace drum brake components on the Cadillac Commercial Chassis as an axle set, both left and right rear, to maintain balanced braking force. Drums and shoes at different wear stages on the Commercial Chassis create uneven rear braking that pulls the vehicle to one side.
Can I install a brake drum kit on my Cadillac Commercial Chassis myself?
Rear drum brake service on the Cadillac Commercial Chassis is a moderately advanced DIY task. It requires removing the drum, dismantling the shoe assembly on the Commercial Chassis, correctly routing return springs, and adjusting shoes to the correct drum clearance. A service manual specific to the Cadillac Commercial Chassis is essential.