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25% Off Online Orders of Select Parts and Accessories. Enter Promo Code 25PEP in Cart

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25% Off All Online Orders of Select Parts and Accessories
Receive 25% Off Your Online Purchase. Use promotional code 25PEP at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Powerstop Brake Kits, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Thule, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 12/12/16. Online orders scheduled for in-store pick up must be completed by closing on 12/11/16 for discount to apply.

Free Shipping on Orders Over $50 or in-store pickup

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  • Part #: 15733|
  • SKU: 67917

Available tomorrow after 1 p.m.

    • All units are completely disassembled and reclaimed parts are cleaned, inspected and thoroughly tested
    • All wear parts are replaced in every unit, regardless of condition
PayPal available for online purchases. Major credit cards accepted online and in store. Pay online, in-store or take advantage of our Pep Boys credit card. Learn more and see additional details in cart.

ProStart Remanufactured Alternator

ProStart remanufactured alternators represent a total commitment to quality. Each unit is built to last using components and techniques that make them as good as or better than the original equipment part. ProStart premium quality remanufactured alternators carry a limited lifetime warranty.
  • All units are completely disassembled and reclaimed parts are cleaned, inspected and thoroughly tested
  • All wear parts are replaced in every unit, regardless of condition
  • Each ProStart remanufactured alternator goes through three stages of testing; before, during, and at the end of the remanufacturing process
  • Each alternator receives all new brushes and bearings, pressure-fit high capacity diodes and precision polished slip-rings in addition to a thorough qualifying of the housing, stator and all reclaimed components
  • Every ProStart alternator is performance tested and required to pass OE specifications before leaving the factory
  • Our rigorous performance testing ensures your alternator will provide long-lasting, premium performance under all operating conditions
  • Auto part is backed with a limited lifetime warranty
  • Your alternator plays a critical role in your car, keeping your car battery charged and your electrical systems working correctly
  • Check out our wide assortment of car batteries, starters, and alternators and related parts
  • The Pep Boys Say: "Do the job once and do it right with the confidence that can only come from genuine ProStart alternators."

Regulator Plug Clocking Position:
2:00 O'clock
17 pounds
Fan Location:
Amperage Rating:
170 A
Voltage Regulation Type:
Pulley Type:
6 groove serpentine clutch pulley
Vehicle System Voltage:


Rated 4.3 out of 5 by 210 reviewers.
Rated 5 out of 5 by Pleased with purchase Part works and fit perfectly November 13, 2014
Rated 5 out of 5 by easy install great online deals with in- store pick up November 6, 2014
Rated 5 out of 5 by great product and price Pain to install but saved hundreds, works great October 29, 2014
Rated 3 out of 5 by 2nd time around ok so far. 1st alternator must have had a Lifetime Warranty or 5 Miles whichever comes first. Obviously the 5 miles came first and left me waiting for a tow truck at 4am on my way to work. After arriving to work 2 hours late, and $120. lighter (tow) when I called Pep Boys later that morning they didn't have another one in stock. Had to wait till Monday (3 days later) for another unit. I was not happy. Second one seems to be ok but I'm a little leery due to 1st one seeming ok in beginning also before failure. October 28, 2014
Rated 5 out of 5 by Good quality for good price Manufacture (MB) wanted $1285 for a new alternator, found this OEM rebuilt from Pet Boy for $385 plus there was a 25% discount code online I was able to apply and a $100 core return fee. Overall paid less than $200 for the alternator saving over $1000. October 11, 2014
Rated 5 out of 5 by Good value Product worked as described and fit perfect on my Scion tC. Item was remanufactured but looked new. October 10, 2014
Rated 4 out of 5 by Did the job Customer service was a bit over done. However, had what I needed and I'm a happy camper. October 9, 2014
Rated 4 out of 5 by seems to be a good part it was just an alternator October 9, 2014
Rated 5 out of 5 by The replacement Alternator was an excellent remanufactured product I was very pleased with my purchased and the service offered and given at Pep Boys. I will always feel secure and positive about making future purchases of any products and also the prices, discounts and variety of products are excellent. September 28, 2014
Rated 5 out of 5 by Excellent alternator I recently replaced my battery with one from Pep Boys that was manufactured by Bosch. A week later, I read an article that said that batteries that are going bad put extra wear and tear on alternators. I had Pep Boys check my alternator and it was only producing between 13.2 and 13.4 volts. It should be producing 14.4 or more volts. I replaced the alternator with a prostart remanufactured alternator and by charging system has plenty of power now. It's been running fine for over a month now. September 25, 2014
Rated 5 out of 5 by works for me as good as the original part easy to install if you know what you doing. September 23, 2014
Rated 5 out of 5 by Ford Ranger Alternator Alternator works fine but so long term review. Pep Boys staff were very friendly and helpful.Thanks September 22, 2014
Rated 5 out of 5 by Works great! Over 4000 miles since installation and no problems! September 22, 2014
Rated 3 out of 5 by Whistler Charges great but has a whistle/ whine , but can live with because the price was right. September 16, 2014
Rated 5 out of 5 by Great product, great price. The alternator was a great price and installed perfectly. August 17, 2014
Rated 5 out of 5 by it works great it works great August 15, 2014
Rated 5 out of 5 by So far so good I have had this alternator installed for the last 2.5 weeks on my 07 Tundra and no problems...despite the other reviews that i read. Was delivered quick. Bit of a headache to install on the Tundra, due to the build of the truck, but with time and patience it happened. August 11, 2014
Rated 5 out of 5 by It was the part I needed at a great price The part is doing it's job. July 14, 2014
Rated 1 out of 5 by Build quality is not very good Needed a replacement unit for a BMW X5. Dealer unit was $1300. So after researching, I bought this unit because it was a Bosch unit, which is an OEM supplier for BMW; along with Valero. I figured with a lifetime warranty and a Bosch rebuild, the unit should be just fine. Now since this is a water cooled unit, replacing this unit is more labor intensive than an air cooled model. So to my surprise after replacing this unit; at first start the voltage wouldn't go past 10v. Check everything, ends up being the alternator. Take it back out and get a replacement. Stick that in, all is good in the world. 11 months later, battery light begins to flicker. After about a week, the unit gives out again. Again, I test everything and its the alternator. So I pull it out and take it back. But this time I am told they won't exchange it because they need to test it. The only way to test it was for it to be installed. So after some complaining, I get a new unit. Coming up to the 8 month mark, unit is dying again. Battery light is flickering and check the voltage, it is only producing ~11.9v - 12.4v, running. So the unit is not doing its job. This will not be the 3rd unit within 2 years. I am going to get it replaced under warranty again or try and get a refund for this unit. Only reason I bought this unit than a different one offered by other online competitors was because I needed a new alternator ASAP and didn't have time to wait. Also, the local store is only 15 minutes away from me. So if your alternator is on its way out, go elsewhere for an alternator. You only want to do the job once. Between the constant draining of coolant and replacing the coolant @ $25/gal and down time, it is actually more cost effective to spend the $1300 one time and just be done with it. Or if you have the time, send your OE unit out to the rebuilder and have them do it. July 6, 2014
Rated 1 out of 5 by Went through 3, very poor quality. The first one I purchased made an extremely high grinding noise. The alternator didn't spin freely by hand, returned it for another unit. The next unit spun freely by hand but after installing it, still made a lot of noise. Returned it for another unit. Third unit was fine for 10k miles but now makes a ton of noise. The OE unit lasted 100k+ miles, I'll spend the extra cash and purchase that next. June 7, 2014
Rated 4 out of 5 by working ok It's been four weeks and alternator is working ok, it's charging in the range it should be (14.2 volts). Only thing I wish this alternator would have came with is a replacement diode that's for keeping static off the AM radio stations. So far I've bought two alternators and one starter from Pep Boys and they're all working ok. April 8, 2014
Rated 4 out of 5 by This product is smooth Ordered it with no problems. Took it back to get the pulley swapped did it in 5 mins. Will continue to order from pep boys. March 15, 2014
Rated 4 out of 5 by Good refurb part at a great price A professionally refurbished alternator at a great price. The wrong one came on the first try, but the staff at my local Pep Boys got right on it, and took extra steps to ensure the right one came at the next available delivery. March 14, 2014
Rated 5 out of 5 by great price info great came in when said it would look good and put it in works great so far March 11, 2014
Rated 5 out of 5 by Installed 4 weeks ago - works and installs perfectly! Seems to be a good alternator, been using for 4 weeks now and no issues. Installation was easy, it was an exact fit for my 1999 Jeep Cherokee Classic with the straight 6. March 7, 2014
Rated 5 out of 5 by Ordered it on line and picked it up the next day Right Part, Works fine February 28, 2014
Rated 5 out of 5 by great price ,easy to install best deal i found , works great , saved my butt thanks February 27, 2014
Rated 1 out of 5 by Junk don waste you money a piece of junk don waste your time or money I had two put on and they both were defective February 22, 2014
Rated 5 out of 5 by part was excellent. Price was the best of anyone Very Satisfied. Part was excellent and Price was the lowest of anyone by far February 12, 2014
Rated 5 out of 5 by perfect fit for 2005 MB C240 This unit was a perfect fit for 2005 MB C240 and works just like MB parts no issue at all. February 10, 2014
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