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Use promotional code MMJ30 at checkout to receive 30% off the following categories: Select Brake Parts, Select Hi-Performance and Truck Accessories, Batteries, Paint, Splash Guards, Select Ventvisors & Bug Shields, Springs & Spacers, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, CV Axles, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Car Covers, Seat Covers, Wheel Covers, Body Repair, Collectibles and Apparel.

Use promotional code MMJ20 at checkout to receive 20% off the following categories: Ignition, Shocks & Struts, Chassis, Jumpstarts, Air Filters, Oil Filters, Bearings & Seals, Engine Parts, Wash Accessories, Outdoor Lifestyle, Towing, Mini Air Compressors, Tire Repair Accessories, Mufflers, Grease/Oil, Additive Chemicals, P/S Pumps, Cooling Product, Timing Belts, Specialty Tools, Radiator Hose, Motor Mounts, Mirrors, Lug Nuts, Sealants/Adhesives, Fuel Filters, P/S Hoses, Gas Cans, Oil Change Accessories, Help, Wiper Motors, Loaner Tools, Air Compressors, Horns, Books, Distributors, Sun Control and Exhaust Adapters.

Use promotional code MMJ15 at checkout to receive 15% off the following categories: Test Equipment, Power Tools, Emergency Supplies, Electronics and Stereo & Accessories (MAP pricing Exclusions).

Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes the following brands: WeatherTech, Champion, Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner, Philips and BBK Performance. Valid online until 11:59 PM EST on 11/22/17.

Receive 10% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER10.

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Receive 10% Off Select FelPro branded products with your online purchase. Use promotional code: FELPRO10.

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ProStop Brake Rotor 933416
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  • Part #: 31173G|
  • SKU: 933416

5 days after 6 p.m.

    • ProStop brake rotors are designed for optimal stopping, longer life and greater resistance to warping.
    • Non-directional rotor surface finish is ready to install with no turning required

ProStop Brake Rotor

ProStop Brake Rotors are precision engineered to meet or exceed OEM performance specifications. Cast to OEM design & SAE J431/G3000 metallurgical specifications.
  • ProStop brake rotors are designed for optimal stopping, longer life and greater resistance to warping.
  • Non-directional rotor surface finish is ready to install with no turning required
  • All ProStop brake rotors follow OEM specifications for iron plate thickness and air gap.
  • Vent rib count, size and pattern matches OEM specifications and promises perfect fitment.
  • OE Design including weight and cooling fin configuration to deliver good dependable braking.
  • All ProStop brake rotors are machine balanced to deliver smooth stopping for your brakes.
  • ProStop brake rotors feature an ultra smooth finish for low noise and dust - a dependable rotor for your vehicle's brakes!
  • Pairs perfectly with our Akebono Brake Pads, ProStop Platinum Brake Pads or our ProStop Ceramic Brake Pad.
  • The Pep Boys Say: "Brake Rotors should be resurfaced or replaced with every brake job."



ProStop Brake Rotor is rated 4.4 out of 5 by 295.
Rated 5 out of 5 by from Exact fit, easy installation. I just installed these rear rotors in my '99 El Dorado two weeks ago. They are/were an exact fit and easy to install. Quality looks excellent but I haven't put very many miles on them so far. I expect durability to be excellent. The price was good as well. They were in stock in my local Pep Boys.
Date published: 2014-07-19
Rated 5 out of 5 by from Appears to be a quaility product What can I say ,its a brake rotor its been machined to specs and now my my vibration is gone because the original factory rotors warped after a hard brake. No rocket science here their fine and I would order again providing they lasted a 100,000 miles like the factory rotors. Time and use will tell if they last.
Date published: 2014-07-04
Rated 5 out of 5 by from Was a great replacement for OEM This product was a perfect match to the existing rotor that the van came with.
Date published: 2014-04-03
Rated 5 out of 5 by from Very good direct fit This had no goo on it to remove, good price
Date published: 2014-03-16
Rated 4 out of 5 by from good Item numbers do not match when ordering on line!
Date published: 2014-03-15
Rated 5 out of 5 by from Fit exactly! For the price you could not go wrong.
Date published: 2014-03-14
Rated 5 out of 5 by from great match with pro stop platinum pads great product will defintely purchase again..
Date published: 2014-03-14
Rated 5 out of 5 by from great breaks they feel great and were not that expensive
Date published: 2014-03-14
Rated 5 out of 5 by from same as stock worked and fit fine, no problems, perfect OEM replacements
Date published: 2014-03-13
Rated 5 out of 5 by from Very good quality and very good Price. the quality and the price for this Rotor is wonderful. purchase from the price is better them buy from store.
Date published: 2014-03-11
Rated 4 out of 5 by from Rotors fit and are functioning OK so far (2 weeks) Rear rotors for Buick PA Ultra worked OK, so far after all of 2 weeks.
Date published: 2014-03-10
Rated 5 out of 5 by from Rotors and Pads seem to be quality made and were easy to install. My order was shipped very fast...right to my door with free shipping. Price was very good and with a discount and rebate also. Products appeared to be made quite well and should give ample wear with a good warranty.
Date published: 2014-03-06
Rated 5 out of 5 by from The guys did a fantastic job My brake rotors were terrible and the guys hooked me up with everything I needed. More importantly, at an affordable price. They were patient and knowledgeable.
Date published: 2014-03-01
Rated 5 out of 5 by from Pep Boys provides excellent value for new brake rotors In general, Pep Boys provides an excellent value for new brake rotors. Here's one tip however, on their premium high carbon line of sure to check the inside of the drum portion of "hat rotors" (ie rotors that feature an integral drum design for the emergency brake system on rear rotors). Unfortunately, their vendor tends to add black paint to the inside portion of the e-brake area of the rotor. This paint will foul new e-brake linings and cause you do have to re-do your brake job. Thus, it's a good idea to have rotors that have paint in this area..turned before installation to remove the undesirable paint on this key friction surface.
Date published: 2014-02-04
Rated 5 out of 5 by from brake rotors An excellent product and it was great to order online and pick up at my store with the no hassle of paying online. I will order more parts this way. Oh and the discount for an online order was a great perk! Thanks Bob
Date published: 2014-01-27
Rated 5 out of 5 by from GREAT PRICE !!!!! They are very well made. I have not put them on yet. I am sure there won't be any problems with them. I have to rebuild the whole front end first before i install them.
Date published: 2014-01-26
Rated 4 out of 5 by from good thank u pepboys....
Date published: 2014-01-17
Rated 5 out of 5 by from Great experience. The website is easy to use, has very useful information and the parts are equal to or superior to OEM quality. I have already revisited and purchased from this site again. I highly recommend it.
Date published: 2014-01-17
Rated 5 out of 5 by from good quality easy install, still on break in period but no troubles yet!
Date published: 2014-01-05
Rated 4 out of 5 by from great quality excellent quality and price. having the online pre-order made the experience easy. I like where your going with products at good prices. Thanx Jeff B Automotive Fleet Mgr.
Date published: 2013-12-18
Rated 4 out of 5 by from So Far so Good It fit properly. It was easy to install. I've been driving with them on my car for a couple of weeks now, and So far it seems that they are performing to expectation. We'll see in a year or so! Thank you guys at the store. Good Customer Service.
Date published: 2013-12-02
Rated 5 out of 5 by from Whats not to like? THey fit my Eclipse like they are supposed to, They heated up and broke in properly with no noise or warping.
Date published: 2013-11-03
Rated 4 out of 5 by from The brake rotors are adequate, no problems! The rotors are nice but I also bought the pads. The pads looked about 25% smaller as far as contact surface. They almost appeared to be the wrong pads. For example maybe for the rear. However, no problems so far.
Date published: 2013-10-13
Rated 3 out of 5 by from Unsatisfactory productS the rotors are of poor quality. I installed all the components & for 8 days had a thumping sound that I couldn't determine what it was until I took the rotor that the thump was coming from to a machine shop. Turns out that the rotor was crooked from the center hub. Cost me $50.00 & lost time. * I'm only referring to the rotors!
Date published: 2013-10-11
Rated 5 out of 5 by from Great Value, Exact fit I decided to change out my front Brake Rotors myself. I ordered my parts online. When I picked them up, my sales rep verified the parts were correct for my vehicle. He provided some helpful hints that made the job go smoothly. I now have like new stoping power.
Date published: 2013-09-27
Rated 3 out of 5 by from Good price, in stock, quick delivery..... Good price, in stock, quick delivery....., however, there was no mounting hole on the rotor to secure it as found on the stock rotor. This makes it very difficult to mount the tire to the car.
Date published: 2013-09-22
Rated 5 out of 5 by from great value great product perfect fit easy install great value
Date published: 2013-09-22
Rated 3 out of 5 by from Only time will tell A solid feeling product made in China. Good price. Quality can only be judge with time.
Date published: 2013-09-09
Rated 4 out of 5 by from great fitment, great price great fitment, great price they feel a little "rough" in the pedal when depressing the brake. I think it's from the pads though.
Date published: 2013-09-08
Rated 5 out of 5 by from Great Products These products that I purchased is second to none!
Date published: 2013-09-03
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