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25% Off Select Parts and Accessories
Receive 25% Off Your Online or In-Store Purchase. Use promotional code MMJ25 at checkout to receive discount. 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 will be displayed in product search results and product detail pages. INCLUDES the following categories: Starters, Alternators, Fuel Pumps, Radiators, Shocks & Struts, Chassis, CV Axles, Batteries, Ignition, Window Motors, Wipers, Appearance Chemicals, Car Wash Accessories, Floor Mats, Lift Equipment, Hand Tools, Headlamps and Bulbs. Excludes the following brands: 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 and BBK Performance. Valid online until 2:59 am EST on 5/1/17.

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140_46_03107C
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  • Part #: 03107C|
  • SKU: 311584

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    • Ultra-low friction helps improve gas mileage* (* In 5W-20, 5W-30 and 10W-30 grades).
    • Motor oil provides the highest North American standard of protection against viscosity breakdown.
Retail
$25.99
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Castrol GTX 5W-20 Conventional Motor Oil, 5.1 Qt.

Castrol GTX actively protects against particles that build up in car engines with the most advanced deposit fighting ingredients. Choose Castrol GTX for your next oil change.
  • Ultra-low friction helps improve gas mileage* (* In 5W-20, 5W-30 and 10W-30 grades).
  • Motor oil provides the highest North American standard of protection against viscosity breakdown.
  • Castrol GTX offers unsurpassed protection against thermal breakdown of leading oils.
  • Designed with custom-made additives
  • Attracts, captures, and disperses particles that can cause sludge build-up.
  • Check out our wide assortment of oil change tools and accessories, including oil filters, funnels, and oil drop pans.
  • Oil changes at regular intervals help keep your engine running cleaner and improve the life expectancy of your car.
  • The Pep Boys Say: "Castrol GTX is a trusted, well-known brand that will meet or exceed your engine's needs."
  • The Pep Boys Say: "Castrol GTX is a trusted, well-known brand that will meet or exceed your engine's needs."


Type
CONVENTIONAL
Oil Weight
OIL_5W20

311584

Castrol GTX 5W-20 Conventional Motor Oil, 5.1 Qt. is rated 4.8 out of 5 by 24.
Rated 5 out of 5 by from Great product Been using carol gtx conventional oil for years on many of my cars and the cars I've serviced.
Date published: 2016-07-28
Rated 5 out of 5 by from Quality oil at a great price. Exchanged a 5.1 quart container of 10w-30 Castrol oil for a container of 5w-20 Castrol oil . Transaction was painless--no hassle. Thanks.
Date published: 2015-10-29
Rated 5 out of 5 by from never any sludge been using castrol for about 10 years and i have never seen any internal black sludge or even a hint of burnt oil on internal parts
Date published: 2015-10-18
Rated 4 out of 5 by from Always used Castrol oil. Very good. Waiting for my $10.00 rebate.
Date published: 2015-09-29
Rated 4 out of 5 by from Great oil Have used this oil for years in my parents car as, as well as mine before I started to use full synthetic. It is a great oil to use. Just make sure you use the correct viscosity. As an FYI Pep Boys usually has a oil and filter sale with Castrol every other month or so.
Date published: 2015-08-04
Rated 4 out of 5 by from Goood Excellent
Date published: 2015-06-20
Rated 4 out of 5 by from good oil I use this oil and keep an extra for when it's time for a oil change. never an issue.
Date published: 2015-06-14
Rated 5 out of 5 by from Castrol reported as best Motor Oil Never a problem with Castrol Motor Oil
Date published: 2015-06-11
Rated 5 out of 5 by from excellent product and a good price at Pep Boys easy to use, first time in the big jug but makes filling and disposal easy.
Date published: 2015-04-19
Rated 5 out of 5 by from this oil is just great I have used this oil on my 07 Camry for 8 years now and I have no complaints, it keeps the engine clean and protected. with 91,000 miles on my Camry engine and still rides like a new car.
Date published: 2015-01-09
Rated 4 out of 5 by from good product this product work good for my car
Date published: 2014-12-28
Rated 4 out of 5 by from very good quality excellent product
Date published: 2014-12-26
Rated 5 out of 5 by from castrol motor oil this was a great holiday deal, wish I saw this deal thru out the year.
Date published: 2014-12-19
Rated 5 out of 5 by from Great product Excellent value, great product
Date published: 2014-12-09
Rated 5 out of 5 by from Dependable I have been using Castrol GTX since I bought my first car in 1973. I was using the oil and I decided to do a valve job. I took the manifold off and the oil galley was spotless. I had a 1988 Chevy 3/4 ton truck and the engine lasted to 222,000 miles for a 454 big block Chevy. I drive a 2001 Chevy Malibu with 242,000 miles on the engine with only replacing the water pump. The engine doesn't burn any oil and still gets 28 miles to the gallon of gas. Gary Ormsby and John Force were sponsored by Castrol!
Date published: 2014-11-28
Rated 5 out of 5 by from 5 quarts and oil filter combo I brought 5 quarts and a fram oil filter in a combo...
Date published: 2014-08-18
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