Standard/OE$88.54
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GeoBrakes stocks complete brake drum kits confirmed to fit the Gmc Caballero, pairing OEM-grade brake drums at the correct inner diameter for the Caballero with matched drum brake shoes and hardware for a full rear drum brake overhaul on your Gmc Caballero in a single package. Every kit ensures drums and shoes are replaced together on the Caballero, 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$88.54
10 items in stock
Select your vehicle to see compatible products and accurate pricing

Transit Auto
$117.42
10 items in stock
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Transit Auto
$129.15
10 items in stock
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A brake drum kit for the Gmc Caballero addresses the most common brake service shortcut: replacing shoes on a worn Caballero drum, or fitting new drums with glazed, worn shoes. Either combination prevents correct break-in on the Gmc Caballero. New shoes have a specific arc radius that must contact a fresh drum surface across the full lining width on your Caballero. A GeoBrakes drum kit eliminates that incompatibility by delivering matched drums and shoes confirmed for your Gmc Caballero in a single order.
The kit for your Gmc Caballero includes OEM-spec cast-iron brake drums at the correct inner diameter for the Caballero for both left and right rear wheels, drum brake shoes with OEM-grade friction lining matched to the Gmc Caballero drum bore and wheel cylinder specification, a brake hardware kit with return springs, hold-down hardware, and self-adjusters specific to the Caballero, and drum retaining hardware where required by the Gmc Caballero application.
Road salt and freeze-thaw cycles deteriorate every component in the Gmc Caballero drum brake system over the same service interval. By the time a Caballero 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 Gmc Caballero. Replacing drums and shoes alone while leaving worn springs and seized adjusters on the Caballero produces a service that underperforms within months.
Drum and shoe arc radius must match exactly for correct contact geometry on the Gmc Caballero. An incorrect drum diameter or wrong-spec shoe lining for the Caballero produces immediate uneven wear and noise. Every kit in the GeoBrakes catalogue is assembled for the Gmc Caballero, drum diameter, shoe arc, and hardware spring rates all confirmed as a matched set specific to the Caballero.
How do I know if I need a basic or full-service kit for my Gmc Caballero?
A basic kit for the Gmc Caballero 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 Caballero overhaul, particularly on American Gmc Caballero vehicles with significant winter salt exposure.
Should I replace drum kits on both rear wheels of my Gmc Caballero at the same time?
Yes. Always replace drum brake components on the Gmc Caballero as an axle set, both left and right rear, to maintain balanced braking force. Drums and shoes at different wear stages on the Caballero create uneven rear braking that pulls the vehicle to one side.
Can I install a brake drum kit on my Gmc Caballero myself?
Rear drum brake service on the Gmc Caballero is a moderately advanced DIY task. It requires removing the drum, dismantling the shoe assembly on the Caballero, correctly routing return springs, and adjusting shoes to the correct drum clearance. A service manual specific to the Gmc Caballero is essential.