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What size are the front rotors on a 2017 Explorer Sport?

The front rotors on a 2017 Ford Explorer Sport measure 13.86 inches (352 mm) in diameter. This is a standard size for the high-performance braking system found on the Explorer Sport trim level.


Detailed Explanation


The Ford Explorer is a popular mid-size SUV that has been in production since 1990. The 2017 model year saw the introduction of the Explorer Sport, which is the top-of-the-line performance variant of the Explorer lineup. The Sport model comes equipped with a more powerful 3.5L EcoBoost V6 engine and a number of upgrades to the suspension, brakes, and other components to enhance its driving dynamics.


One of the key upgrades on the Explorer Sport is the larger front brake rotors. While the standard Explorer models use 12.8-inch (325 mm) front rotors, the Sport trim level steps up to 13.86-inch (352 mm) rotors. This increased rotor diameter provides more braking surface area and thermal capacity, allowing the Sport's brakes to better handle high-performance driving and heavy loads.


Brake System Specifications



  • Front Rotor Diameter: 13.86 inches (352 mm)

  • Rear Rotor Diameter: 13.0 inches (330 mm)

  • Brake Caliper Type: Dual-piston front, single-piston rear

  • Brake Pad Material: High-performance friction material


The larger front rotors, combined with the Sport's upgraded brake pads and calipers, provide excellent braking performance to match the vehicle's increased power and handling capabilities. This helps the Explorer Sport deliver a more engaging and confidence-inspiring driving experience for enthusiasts.

Are front rotors the same size as back rotors?


Front brake rotors are generally larger in diameter and typically double rotors with cooling vents cast between the two disc faced. Rear brake rotors are about a quarter to a third smaller in diameter and are almost always a single disc.



Which 2017 Ford Explorer engine is best?


The twin-turbo V6 is the way to go if you want power. It delivers great acceleration, and its horsepower rating rivals some V8 engines available in competitors. According to EPA estimates, the base Explorer gets 17 mpg in the city and 24 mpg on the highway.



How many miles per gallon does a 2017 Ford Explorer EcoBoost get?


2.3L EcoBoost
Its twin-scroll low-inertia turbocharger divides exhaust pulses between cylinders to enhance fuel-economy, leading to outstanding mileage ratings of up to 19 mpg in the city and 27 on the highway, or 18 and 25 with all-wheel drive.



What size rotors are on a Ford Explorer?


The front rotors are sized 325mm (standard) and 352mm (heavy duty & police). For the rear rotors, the 325mm (standard) and 352 (heavy duty) are the most common, but some years and models use 330mm or 345mm. The Sport and Limited and Tow, Package equipped (e.g. a Base with FACTORY tow) use the 352mm front and 352 rear.



What is the standard size of rotor disc?


140 to 160mm
As a general rule, road and cyclocross rotors sit in the 140 to 160mm range, striking a balance between necessary braking power and low weight. Modern mountain bike brakes often come specced with rotors ranging from 180 to 220mm.



Where is rotor size stamped?


Sizes Stamped on Rotor
If the rotor has not been worn down too much, you will be able to see the size stamped right on the rotor itself. It will be in millimeters and usually on the wheel side of the rotor.



Will VIN number tell me brake rotor size?


A vehicles rotor size is not identified in the vehicle VIN. I recommend you contact an auto parts store, provide them the year, make, and model of the vehicle and they will be able to provide you the rotor size.



How can I tell what size my rotors are?


Check the rotor
Often the brake rotor size will be printed on it! Spin your wheel around and look at the brake rotor - in most cases, the size is stamped onto it!



What size are the rear rotors on a 2017 Ford Explorer?


12.8 in.
Dimensions. Front Rotor Size: 12.8 in. Rear Rotor Size: 12.8 in.



What is the specs of the 2017 Ford Explorer V6?


2017 Ford Explorer Base Engine
Standard equipment on the base and XLT Explorer trim levels includes a 3.5-liter V6 engine. This engine offers 290 horsepower and 255 pound-feet of torque. Fuel economy estimates check in at 17 miles per gallon in the city and 24 miles per gallon on the highways.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.