PowerStop JBR1779SCR Disc Brake Rotor - Rear
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PowerStop
 PowerStop - Rear Coated Hat and Edge Rotor

PowerStop JBR1779SCR Disc Brake Rotor - Rear

Brand PowerStop JBR1779SCR
Position Rear
Discard Thickness 0.33
Discard Thickness 8.50
Nominal Thickness 0.39
Nominal Thickness 9.96
Balancing Type Mill balanced
Construction Full cast
Rust Resistant Coating Yes
Overall Height 1.50
Overall Height 38.13
Outside Diameter 10.44
Outside Diameter 265.10
ABS Tone Ring Included No
Surface Type Smooth
Solid Or Vented Type Rotor Solid
Mounting Bolt Hole Circle Diameter 100.00
Mounting Bolt Hole Circle Diameter 3.94
Stud/Lug Hole Quantity 5
Product line PowerStop - Rear Coated Hat and Edge Rotor
Fits Toyota · 8 vehicles

OE-style replacement. Direct bolt-on rotor with original equipment dimensions and mounting characteristics.

Corrosion-resistant coating. Silver epoxy protects the hat, outer edge, and vanes from rust.

Balanced cast design. Full cast construction with mill balancing for consistent brake service.

Cross-references 42431-02310 and 42431-12270 for the same application. See all 2.

$52.33Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Disc Brake Rotors are typically replaced in pairs, axle by axle.
Order total $52.33
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Disc Brake Rotor options

Rear Brake Rotor Overview

PowerStop JBR1779SCR is a rear disc brake rotor built as a direct bolt-on replacement for original equipment. It is made for drivers who want OE-style fitment with corrosion protection on exposed surfaces.

Key Features

  • Partially coated rotor with silver epoxy on the hat, outer edge, and vanes
  • Rust-resistant coating helps protect exposed metal surfaces
  • Full cast construction with mill balancing for consistent operation
  • Solid rotor design with a smooth friction surface
  • Matches OE weight and vane count for proper fitment

Detailed Description

This PowerStop rear rotor is engineered for the Toyota Corolla and follows original equipment specifications for fit and function. The coated hat and edge help reduce corrosion in areas commonly exposed to moisture and road debris, while the smooth, solid design supports stable braking performance. Part number JBR1779SCR is a practical replacement choice for 2019-2026 Toyota Corolla rear brake service, and it cross-references Toyota 42431-02310 and 42431-12270 for the same application.

PowerStop’s coated rotor line focuses on OE-style replacement parts with corrosion protection where it matters most. For a Toyota Corolla rear brake rotor, this product line is aimed at maintaining a clean appearance behind alloy wheels while preserving original equipment dimensions and mounting characteristics.

Common Uses

  • Corrects rotor wear that can cause braking vibration
  • Replaces rotors with rust on the hat or outer edge
  • Addresses uneven braking feel from worn friction surfaces
  • Restores proper rear brake service dimensions

Installation Notes

Fits 2019-2026 Toyota Corolla, rear. Verify rotor diameter, bolt circle, and thickness before installation. Clean the hub mounting surface and inspect related brake components during service. Part number JBR1779SCR is a direct bolt-on replacement for the listed application.

Quality Assurance

PowerStop designs this rotor to match original equipment performance and specifications, including weight and vane count, for confirmed fitment on the listed application.

Related reading

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2026ToyotaCorolla——RearPowerStop - Rear Coated Hat and Edge Rotor
2025ToyotaCorolla——RearPowerStop - Rear Coated Hat and Edge Rotor
2024ToyotaCorolla——RearPowerStop - Rear Coated Hat and Edge Rotor
2023ToyotaCorolla——RearPowerStop - Rear Coated Hat and Edge Rotor
2022ToyotaCorolla——RearPowerStop - Rear Coated Hat and Edge Rotor
2021ToyotaCorolla——RearPowerStop - Rear Coated Hat and Edge Rotor
2020ToyotaCorolla——RearPowerStop - Rear Coated Hat and Edge Rotor
2019ToyotaCorolla2.0LL4RearPowerStop - Rear Coated Hat and Edge Rotor
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
42431-0231042431-12270