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🛢️ Keep your engine running cooler, longer, and stronger with Castrol GTX!
Castrol GTX 20W-50 Conventional Motor Oil is a premium, time-tested formula designed to protect engines from sludge and thermal breakdown. Featuring advanced TriShield technology and custom additives, it delivers superior deposit protection and heat resistance, making it ideal for vehicles operating in hot climates. With over 50 years of trusted performance and a 4.8-star rating from thousands of users, this 5-quart bottle offers exceptional value and reliability for everyday drivers.

| ASIN | B00JGQLSH8 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #4,817 in Automotive ( See Top 100 in Automotive ) #83 in Motor Oils |
| Brand | Castrol |
| Brand Name | Castrol |
| Compatible with Vehicle Type | Automobiles (generic) |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 2,748 Reviews |
| Flash Point | 218 Degrees Celsius |
| Global Trade Identification Number | 00079191000953 |
| Included Components | Motor Oil |
| Item Type Name | Motor Oil |
| Item Weight | 8.6 Pounds |
| Liquid Volume | 5 Quarts |
| Manufacturer | Castrol |
| Manufacturer Part Number | 03095 |
| Manufacturer Warranty Description | 12 Months |
| Model Number | 03095 |
| Package Information | Bottle |
| SAE J300 Viscosity Grade | 20W-50 |
| Size | 5 Quarts |
| UPC | 079191000953 |
| Unit Count | 160.0 Fluid Ounces |
| Vehicle Service Type | Automobiles (generic) |
J**Y
Castrol GTX 20W-50 Conventional Motor Oil
Very good quality conventional motor oil, and a great price, as I prefer conventional over sythetic, and if you use motor oil according to the region and the climate you live in, your vehicle will last longer and you'll thank yourself for it in the long run. It's awful hot where we live in the south, and I have used heavier weight motor oils for over 30 years, and have never had an issue with it, hotter climate use a heavier weight, colder climate use a lighter weight. Excellent performance and lubrication, great value for the money, CASTROL has always produced a good quality motor oil.
I**T
I mean its good oil, but...
This is good oil. But, I made the mistake of also changing my oil pump to a high flow pump (as I was trying to fix a low pressure problem). The combination of doing both at once, put my oil pressure at dangerous high levels. Silly mistake on my part, and a total waste of money on this oil (cant return it, its been used for 15 minutes!). But this is good oil to get for an old low pressure engine. Just don't put it into an engine that already has decent pressure with a lower viscosity oil.
J**E
It’s oil.
Good oil, decent price.
A**R
Great product
Great product and price
R**Z
Good
Great performance, keeps the engine in excellent condition. Highly recommend.
D**Y
Will buy again
Good stuff. Good price. Product arrived when scheduled with no leaks.
K**R
A good engine oil for older cars.
Have been using this for my old 1987 model car since 1990...I have resist switching to synthetic or semi synthetic because I do not want to take a chance on engine leaking. This was a problem on early synthetic and I read that the newer synthetic do not have this problem anymore, but why take a chance.. The 5 quarts are a good value when they are selling for around $25, but it seem the price has went up. Not sure I will buy them anymore if they are the same as buying the 1 qts, since I have to use a funnel for the 5 quarts due to clearance on my rear engine car.
J**E
True product.
My family reserve the best in their vehicles. Great quality!
J**S
Excelente aceite
Para motor 2.0 queda al millón
L**Z
Aceite Castrol el mejor aceite para motor
Un aceite fino y de gran calidad para los motores.
Trustpilot
3 weeks ago
2 weeks ago