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25% Off Online Orders of Select Parts and Accessories. Enter Promo Code FOUND25 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 FOUND25 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 2/27/17. Online orders scheduled for in-store pick up must be completed by closing on 2/26/17 for discount to apply.

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

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  • Part #: 51R500PS|
  • SKU: 9074165

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Pay in Store Available

    • ProStart car batteries are designed formulated to ensure negative active paste material is resistant to flaking and shedding over time.
    • The extreme bond to the grid improves overall performance and increases battery life.
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 Car Battery Group Size 51R

ProStart car batteries feature advanced technology for prolonged battery life and performance. A durable and moderately priced option for your car battery replacement needs, the ProStart battery line is trusted and true.
  • ProStart car batteries are designed formulated to ensure negative active paste material is resistant to flaking and shedding over time.
  • The extreme bond to the grid improves overall performance and increases battery life.
  • This replacement battery is constructed with an alloy which decreases battery failure due to high heat and delivers reliable starts in the coldest climates.
  • The ProStart auto battery is fashioned with optimized internal construction for superior durability.
  • Long-life alloys provide protection against battery corrosion. The ProStart line is an excellent battery replacement option.
  • ProStart car batteries offer a 2-year free replacement! 600 powerful cold cranking amps provide plenty of starting power when you need it in the cold of winter or the heat of summer.
  • To prolong the health of your automotive battery, don't forget to pick up your Battery Charger, Battery Cables & Battery Testers.
  • The Pep Boys Say: "ProStart delivers strong, dependable power and provides exceptional starting power and excellent value."
  • This item must be picked up in the store as it may contain materials which are flammable or corrosive.

Wet or Dry
Reserve Capacity (minutes)
Group Size
Right Or Left Hand Positive
Terminal Type
SAE Post
Length (in.)
Width (in.)
Width (mm)
Cold Cranking Amps (CCA) @ 0F
Height (mm)
Height (in.)
Weight (lbs)
Cranking Amps @ 32F
Length (mm)
Battery Usage
Truck/Car Battery
Group Size
Battery Type
Flooded Lead Acid


Rated 4.5 out of 5 by 21 reviewers.
Rated 5 out of 5 by Fast and easy order and pickup. I order it online , after 20 minutes , they confirm in stock and can pickup, I run there and get it less than 15 minutes, I installed it in outside there parking lot, and go back to refund my deposit , total.from the time I go in the store and drive home is half an hour, feel very happy, now every time I start my car with one click , yes I choose the right one. October 4, 2016
Rated 5 out of 5 by battery install fast and good my daughter's crv needed a battery. my experience with honda batteries is that they are not worth paying top dollar for. the prostart batteries only get fair reviews. but i am older and have bought a number of batteries, Seems that buying batteries is hit or miss. i recently bought an INTERSTATE battery and it prematurely went bad. So, so much for interstate. So at pep boys the price was right and my daughter was very satisfied with the service at pop boys on route 22. end of story.. September 17, 2016
Rated 4 out of 5 by Online purchase enabled a better price! Purchasing this battery online provided a better price. It was a perfect fit replacement battery. This was a great price compared to competitors prices. I have always been extremely satisfied with Pep Boys products. September 16, 2016
Rated 5 out of 5 by I have only had this battery for 3 weeks, so I can't say yet. The previous battery of the same exact brand and type lasted for almost 6 years, though! I have only had this battery for 3 weeks, so it's too soon to say. My previous battery (exactly the same brand, type, got it from Pep Boys) lasted almost 6 years, though, so I expect to be very happy with it, too. August 4, 2016
Rated 4 out of 5 by Great product Great product. I especially like that I can purchase online and pickup in store. I also like that because I purchased online I was given a discount. September 7, 2015
Rated 5 out of 5 by good battery Works very well and was easy to install and the testing I did after showed it was charging very well. May 1, 2015
Rated 5 out of 5 by excellent service Asked to be taken in right away - dead battery. Upon arrival went right to work installed new battery and I was back on the road in no time. March 30, 2015
Rated 2 out of 5 by Ok battery,beware of hidden cost Good battery. They will try to charge you $10 for the FREE installation,do not accept it. Contrary to what they will tell you,the battery is easily accessible and does not require additional labor to replace. January 31, 2015
Rated 5 out of 5 by Perfect product for good price Pep Boys really offered me the best price for the item. It's the right OEM for my daughter's car at the right price. I shopped around online and only Pep Boys offered the lowest price and it turned out to be the best fit battery for the car. The store at Sparks, Nevada honored my online order without any problems with 25% off. I have been coming to this branch at E. Prater in Sparks since 1992 and the part and accessories department are very professional people. Online order does offer me cheaper price than going to the store myself. What an experience! December 16, 2014
Rated 5 out of 5 by best service, prompt, professional John was exceptional. his service was outstanding. the battery was installed quickly and a very good value. I will be a regular customer November 23, 2014
Rated 4 out of 5 by Car battery replacement Good, fast professional work at a good price. November 20, 2014
Rated 5 out of 5 by Battery works Got a new battery, and ever since that day, my car has started reliably and with gusto. November 20, 2014
Rated 5 out of 5 by Good battery at great value. My purchase over the internet went smoothly. The website was easy to navigate and the battery was sitting on the counter when I arrived at the store. I am very pleased with this experience. October 9, 2013
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