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Your cart is empty.Castrol® GTX® Full Synthetic 5W-30 motor oil provides maximum protection to help fight the impact of severe conditions that can potentially shorten engine life. It's formulated to provide Superior Protection in 7 Critical Areas including engine wear and sludge control, cleaning away old sludge*** and protecting against new sludge formation better than required by the latest industry standard. ***When tested in engines with high level of sludge
JOEL C.
Reviewed in the United States on February 7, 2025
good oil
Melissa Abigail Delgado Rodriguez
Reviewed in Mexico on February 26, 2025
Muy buena compra, en otros lados cuesta más caro pero aquí lo encontré en mejor precio;)
Efrain Maldonado
Reviewed in Mexico on February 24, 2025
Buen producto, lo compre el 07/02/2025 en ochocientos y para el 24 del mismo mes ya está en mil 200.
Bobg
Reviewed in the United States on February 21, 2025
I live a good ways from town so buying stuff like oil, filters, antifreeze, spark plugs and all from Amazon is a real time saver. This oil had high functionality, and stopped up all the oil leaks. Now the engine in my old Chevy ton truck is very smooth and very cool. It was very easy to pour it in the motor if you have a funnel.
Mark M
Reviewed in the United States on February 19, 2025
Good quality oil and great price
Dboy
Reviewed in the United States on February 17, 2025
Great oil!!
John Schnoor
Reviewed in the United States on February 12, 2025
I’ve been using Castrol GTX Full Synthetic 5W-30 Motor Oil for years, and it’s never let me down. I change my oil every 10,000 miles, and my truck is still running strong at 290,000 miles. The engine stays clean, performs well, and I haven’t had any issues with sludge or wear.This oil is reliable, affordable, and performs exactly as advertised. I can’t recommend it enough if you want to keep your vehicle running smoothly for the long haul. Castrol GTX is definitely the real deal!
JL Antonio
Reviewed in Mexico on June 19, 2024
Es un aceite de calidad y el bote o garrafa está a muy buen precio por SER aceite sintético marca Gastrol.
José Raymundo Estrada Negrete
Reviewed in Mexico on May 27, 2024
es producto original y le funciona bien a mi automovil
Larry O
Reviewed in the United States on May 12, 2024
Does what it is supposed to do and the price was reasonable. Using monthly in a 2013 GMC Terrain Denali which has oil burning issues since it was manufactured by GMC. GMC was never able to resolve this issue!!
JohnL
Reviewed in the United States on December 21, 2024
I’ve been using Castro GTX 5w/30 Full Synthetic Motor Oil in my 2009 Chevrolet Silverado 6.0 Liter 3/4 ton plow truck up in Northern Minnesota for many years. GREAT Engine Oil!
Javier Garcia
Reviewed in Mexico on November 12, 2024
Muy bien servicio y de muy buena calidad
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