Standard/OE$54.65
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GeoBrakes stocks complete brake drum kits confirmed to fit the Scion Ia, pairing OEM-grade brake drums at the correct inner diameter for the Ia with matched drum brake shoes and hardware for a full rear drum brake overhaul on your Scion Ia in a single package. Every kit ensures drums and shoes are replaced together on the Ia, 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$54.65
10 items in stock
Select your vehicle to see compatible products and accurate pricing

Transit Auto
$89.33
10 items in stock
Select your vehicle to see compatible products and accurate pricing
A brake drum kit for the Scion Ia addresses the most common brake service shortcut: replacing shoes on a worn Ia drum, or fitting new drums with glazed, worn shoes. Either combination prevents correct break-in on the Scion Ia. New shoes have a specific arc radius that must contact a fresh drum surface across the full lining width on your Ia. A GeoBrakes drum kit eliminates that incompatibility by delivering matched drums and shoes confirmed for your Scion Ia in a single order.
The kit for your Scion Ia includes OEM-spec cast-iron brake drums at the correct inner diameter for the Ia for both left and right rear wheels, drum brake shoes with OEM-grade friction lining matched to the Scion Ia drum bore and wheel cylinder specification, a brake hardware kit with return springs, hold-down hardware, and self-adjusters specific to the Ia, and drum retaining hardware where required by the Scion Ia application.
Road salt and freeze-thaw cycles deteriorate every component in the Scion Ia drum brake system over the same service interval. By the time a Ia 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 Scion Ia. Replacing drums and shoes alone while leaving worn springs and seized adjusters on the Ia produces a service that underperforms within months.
Drum and shoe arc radius must match exactly for correct contact geometry on the Scion Ia. An incorrect drum diameter or wrong-spec shoe lining for the Ia produces immediate uneven wear and noise. Every kit in the GeoBrakes catalogue is assembled for the Scion Ia, drum diameter, shoe arc, and hardware spring rates all confirmed as a matched set specific to the Ia.
How do I know if I need a basic or full-service kit for my Scion Ia?
A basic kit for the Scion Ia 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 Ia overhaul, particularly on American Scion Ia vehicles with significant winter salt exposure.
Should I replace drum kits on both rear wheels of my Scion Ia at the same time?
Yes. Always replace drum brake components on the Scion Ia as an axle set, both left and right rear, to maintain balanced braking force. Drums and shoes at different wear stages on the Ia create uneven rear braking that pulls the vehicle to one side.
Can I install a brake drum kit on my Scion Ia myself?
Rear drum brake service on the Scion Ia is a moderately advanced DIY task. It requires removing the drum, dismantling the shoe assembly on the Ia, correctly routing return springs, and adjusting shoes to the correct drum clearance. A service manual specific to the Scion Ia is essential.