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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.

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140_55_03102C
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  • Part #: 03102C|
  • SKU: 311539

Available today

Pay in Store Available

    • Designed with superior detergency to fight sludge build up.
    • Gives your engine superior oil burn-off protection versus leading conventional oils.
Retail
$29.99
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.

Castrol 5W30 GTX High Mileage, 5.1 Qt.

As the miles add up on your car or truck, Castrol GTX High Mileage helps extend engine life by addressing the key problems that may impact your vehicle as it ages. Castrol GTX High Mileage helps extend engine life by providing superior protection against.
  • Designed with superior detergency to fight sludge build up.
  • Gives your engine superior oil burn-off protection versus leading conventional oils.
  • Seal conditioners help minimize leaks
  • Formulated with advanced additives to help minimize wear.
  • Conventional oil might not do enough to protect your high mileage vehicle.
  • Using specially formulated high mileage oil is recommended for cars or trucks with more than 75,000 miles and can help improve the life of your engine.
  • Check out our wide assortment of oil change tools and accessories, including oil filters, funnels, and oil drop pans.
  • The Pep Boys Say: "Choose Castrol High-Mileage to extend the life of your higher mileage engine."


Type
HIGH_MILEAGE
Oil Weight
OIL_5W30

311539

Rated 4.9 out of 5 by 20 reviewers.
Rated 5 out of 5 by gtx is a great oil i have been using this oil for years, great product, car has 140k on it now. no issues September 27, 2015
Rated 5 out of 5 by Castrol GTX High Mileage Oil is Hard to Beat My Toyota has over 170k miles on it and this oil continues to keep my engine in great shape commuting at 75 mph daily. August 28, 2015
Rated 5 out of 5 by Castro High Milage I've been using Castro High Mileage for all my cars with over 200k miles and am very satisfied with the engine smoothness. August 14, 2015
Rated 5 out of 5 by My Durango motor is running so good It's the right oil for my SUV July 30, 2015
Rated 5 out of 5 by my experience Since i bought my car,I use only Castrol GTX 5.1 QT 5W30. Started to use from low mileage and now using High Mileage of the product. I am very satisfied and i do not want to change it with other brands. July 25, 2015
Rated 4 out of 5 by works good everytime Good price, great product December 28, 2014
Rated 5 out of 5 by This oil is great I have been using Castrol oil for over 40 years. Great results. December 16, 2014
Rated 5 out of 5 by oil special quacker state oil deal was great promotion for holiday black Friday. December 7, 2014
Rated 5 out of 5 by Good value. I have used this brand oil for my high mileage Lincoln for several years. Has never disappointed. November 25, 2014
Rated 5 out of 5 by excellent product Use for my dodge ram and is a great motor oil. October 30, 2014
Rated 5 out of 5 by quality this is the best oil that you can trust August 26, 2014
Rated 5 out of 5 by Castrol GTX Great stuff August 6, 2014
  • 2016-12-07 T08:58:21.577-06:00
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