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Receive Up To 25% Off Your Online Purchase Of Select Parts And Accessories
Use promotional code MMJ25 at checkout to receive 25% off the following categories: Select Brake Parts, Shocks & Struts, Select Hi-Performance and Truck Accessories, Batteries, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, Chassis, CV Axles, Batteries, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Car Wash Accessories, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Outdoor Lifestyle, Towing, 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, Air Filters, Oil Filters, Bearings & Seals and Engine Parts.

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: 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 2:59 am EST on 8/23/17.

Receive 25% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER25.

Receive 10% Off Select Champion, MOOG and FelPro branded products with your online purchase. Use promotional codes: CHAMP10, MOOG10 and/or FELPRO10.


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Castrol GTX High Mileage 20W-50 Motor Oil, 5 Qt. 1161951
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  • Part #: 03112C|
  • SKU: 1161951

Available today after 1 p.m.


    • Designed with superior detergency to fight sludge build up.
    • Gives your engine superior oil burn-off protection versus leading conventional oils.
Retail
$30.99

Castrol GTX High Mileage 20W-50 Motor Oil, 5 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.
  • 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_20W50

1161951

Castrol GTX High Mileage 20W-50 Motor Oil, 5 Qt. is rated 5.0 out of 5 by 4.
Rated 5 out of 5 by from Synthetic Blend This is the closest to a synthetic oil in 20w-50 oil there is. I like Castrol over Valvoline because it seems thicker.
Date published: 2016-12-16
Rated 5 out of 5 by from This is the bomb! Best oil on the market, period! Read the test results and you will buy it!
Date published: 2016-10-16
Rated 5 out of 5 by from Great product I have been using Castrol GTX 20W-50 for a long time, and now that my truck has 250,000 miles on the original motor I am using the GTX High Mileage to go for the next 250,000.
Date published: 2016-08-24
Rated 5 out of 5 by from The only oil I buy I will not buy any other oil I have over 200,000 miles on my ride and this the only oil I ever use
Date published: 2015-07-17
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