Name: Castrol GTX 10W40 1 L
Brand: Castrol
SKU: 10045246
Availability: InStock
Rating: 4.8 (150 reviews)

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Castrol GTX 10W40 1 L

Advanced Additives<br><ul><li>Cleans away old sludge and prevents new sludge formation 45% better than industry standards</li><li>Superior protection against engine sludge</li><li>Advanced protection against viscosity and thermal breakdown</li><li>scratches and abrasion</li><li>Helps minimize oil consumption</li><li>When tested in engines with high levels of deposit. As measured in the Sequence VG Sludge test</li></ul>

Motor Oil Viscosity

Motor Oil Type

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Has High Mileage Additives

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Is Bulk

Castrol GTX is re-engineered with TriShield technology to actively protect against deposit build-up. TriShield attracts, captures and disperses small deposit particles before they become big problems. Engine deposits can turn into a thick, dark substance that can wreak havoc within an engine, building up and clogging oil passages. Deposit build-up can lead to reduced gas mileage, decreased engine performance, and in some cases, engine seizure. Whats worse, once it builds up in an engine, its almost impossible to remove. Unique TriShield technology provides superior deposit protection* Maximum protection against viscosity & thermal breakdown. Ultra-low friction to improve gas mileage*

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This item is final sale and not returnable

This is good oil but doesn't last long 4000 miles max. Its way better than Valvoline in older cars if you don't want lifter and rocker arm rattle. Valvoline oil thins out so fast and causes rattles and is not stable oil in v8 engines. This Castrol gtx  is equal to super Tech 10-40 5,000-mile oil I have used both and can't tell any difference both wear out the same and perform the same.

Castrol gtx vs V and super tec comparison

walmart.com

I had a smog test coming up for my '85 bimmer (engine swapped) and needed to change the oil prior to the test. I searched around and found the Castrol 10w-40 on Amazon first. I was all set to order and then checked the shipping date. It said it wouldn't arrive for another month! So I thought, why not check Walmart just in case. Little did I know that they had just launched their two day shipping program and would get me the oil just in time. I placed my order and received the oil on the expected date. Plus, I passed the smog test the next day! Can't recommend this new two day shipping program enough.

Easy easy, love the two day shipping

20W50 is a little thick even for Florida (higher oil pressure). 10W40 works great in my 1987 Toyota Supra Turbo. I only put 1,200 miles every 6 months between changes but that's the service interval. I could go 5,000 miles or 6 months whichever comes first.

It's my go to dino oil

Been using Castrol in my truck since I bought it brand new in 1998. Truck is 26 years old with 265,000 miles. Heads never been cracked. I attribute this to regular oil changes with Castrol GTX! And of course a well built F150!!

Still kicking

This is good motor oil , I use it in a pick up truck ,good engine protection ,does not break down or gum up engine for 1994 pick up truck. I change it every 5000 miles.

A good motor oil

[This review was collected as part of a promotion.] It's a great product

castrol earl 10w/40

you charged twice the price for this item than Amazon