PowerStop
PowerStop - Front Coated Hat and Edge Rotor

PowerStop AR8179SCR Disc Brake Rotor - Front

Brand PowerStop AR8179SCR
Position Front
Discard Thickness 1.04
Discard Thickness 26.40
Nominal Thickness 1.10
Nominal Thickness 27.90
Balancing Type Mill balanced
Construction Full cast
Rust Resistant Coating Yes
Overall Height 1.85
Overall Height 47.00
Outside Diameter 12.40
Outside Diameter 315.00
ABS Tone Ring Included No
Surface Type Smooth
Solid Or Vented Type Rotor Vented
Mounting Bolt Hole Circle Diameter 114.30
Mounting Bolt Hole Circle Diameter 4.50
Stud/Lug Hole Quantity 5
Product line PowerStop - Front Coated Hat and Edge Rotor
Fits Ford and Mercury · 15 vehicles

OE-style replacement. Direct bolt-on rotor built to match original equipment specifications.

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

Vented full cast design. Smooth surface and mill-balanced construction support consistent braking.

Cross-references 5F9Z 1125-BA, 5F9Z 1125-C and 8G1Z 1125-A for the same application. See all 4.

$111.49Free 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 $111.49
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Coated front brake rotor

The PowerStop AR8179SCR is a direct bolt-on disc brake rotor built to match original equipment fit and performance. It is a coated, vented rotor with corrosion protection on the hat, outer edge, and vanes to help preserve appearance behind alloy wheels.

Fits 2008-2009 Ford Taurus, front. Fits 2008-2009 Ford Taurus X, front. Fits 2008-2009 Mercury Sable, front. Fits 2005-2007 Ford Five Hundred, front. Fits 2005-2007 Ford Freestyle, front. Fits 2005-2007 Mercury Montego, front.

Key features

  • Direct bolt-on replacement for original equipment fitment.
  • Silver epoxy coating on corrosion-prone areas.
  • Vented, full cast rotor construction.
  • Mill balanced for consistent operation.
  • Smooth surface finish with OE-style weight and vane count.

Detailed description

PowerStop AR8179SCR is a front disc brake rotor engineered for vehicles that require a 12.40-inch rotor with a 4.50-inch bolt circle and five lug holes. The vented design, full cast construction, and mill-balanced finish support stable braking performance, while the coated hat and edge help resist rust in exposed areas. This rotor is a practical choice for Ford Taurus, Ford Taurus X, Mercury Sable, Ford Five Hundred, Ford Freestyle, and Mercury Montego applications that call for OE-style replacement parts. The AR8179SCR part number is also useful when cross-checking brake service needs for these platforms.

This part cross-references Monroe Shocks & Struts (e.g., 5F9Z 1125-BA, 5F9Z 1125-C) for the same application.

Common replacement issues

  • Brake pulsation caused by worn rotor surfaces.
  • Rust buildup on exposed rotor areas.
  • Reduced braking consistency from rotor wear.
  • Noise or vibration linked to uneven rotor condition.
  • Fitment problems from using the wrong OE-style rotor dimensions.

Installation notes and quality

Verify rotor diameter, bolt circle, and vented construction before installation. This rotor is a front application and should be matched to the vehicle’s original brake specifications. The AR8179SCR is designed to mirror OE performance and specifications, including weight and vane count, for confirmed fitment.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2009FordTaurusFrontPowerStop - Front Coated Hat and Edge Rotor
2009FordTaurus XFrontPowerStop - Front Coated Hat and Edge Rotor
2009MercurySableFrontPowerStop - Front Coated Hat and Edge Rotor
2008FordTaurusFrontPowerStop - Front Coated Hat and Edge Rotor
2008FordTaurus XFrontPowerStop - Front Coated Hat and Edge Rotor
2008MercurySableFrontPowerStop - Front Coated Hat and Edge Rotor
2007FordFive HundredFrontPowerStop - Front Coated Hat and Edge Rotor
2007FordFreestyleFrontPowerStop - Front Coated Hat and Edge Rotor
2007MercuryMontegoFrontPowerStop - Front Coated Hat and Edge Rotor
2006FordFive HundredFrontPowerStop - Front Coated Hat and Edge Rotor
2006FordFreestyleFrontPowerStop - Front Coated Hat and Edge Rotor
2006MercuryMontegoFrontPowerStop - Front Coated Hat and Edge Rotor
2005FordFive HundredFrontPowerStop - Front Coated Hat and Edge Rotor
2005FordFreestyleFrontPowerStop - Front Coated Hat and Edge Rotor
2005MercuryMontegoFrontPowerStop - Front Coated Hat and Edge Rotor
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
5F9Z 1125-BA5F9Z 1125-C8G1Z 1125-A8G1Z 1125-B