Engine oil is one of the commodities that ensure the smooth running of your vehicle. This is why you are advised to change engine oil every 3,000 miles or 3 months.
You can get engine oil from pretty much any dealer or shop, but here is the trick; not every type of oil will work well with your car. With the high number of motor oils, you might find it challenging to get the best Oil for Jeep Wrangler JK.
Luckily, I’ve simplified your work by singling out a few top-quality oils that are good for Jeep Wrangler JK engines. Other than reviewing the best JK engine oils, I’ve also included a buying guide to help you in case you have any questions.
Synthetic Vs. Regular Engine Oil
Engine oil is available in two types, which includes regular Oil and synthetic Oil. Lately, most car owners are going for synthetic engine oil simply because of its quality and good molecular consistency.
The only downside of synthetic oil is its high price tag. New Jeep Wrangler models should use synthetic oils, while Old models should use conventional engine oil.
On the other hand, natural engine oil is cheap and good for the environment; however, it contains impurities that cause clogging in the engine.
Top Jeep Wrangler JK Oils Reviewed
Valvoline MaxLife SAE 5W-20
High Mileage Motor Oil Valvoline is yet another company that produces reliable automotive oils and fluids. So if you are looking for the best motor oil for your Jeep Wrangler JK, the SAE 5W-20 might be your best bet. It has been designed to be used in high mileage engines.
As its name suggests, this synthetic oil has a 5W-20 viscosity rating. This suggests that Valvoline Maxlife will remain in the same condition when the weather is hot or cold.
For your information, you can get this engine oil in various viscosity ratings. This includes 5W-30, 10W-30, 10W-40. In case your Jeep Wrangler JK has clocked over 75,000 miles, you can use Valvoline Maxlife to maximize engine life.
What’s more, the oil contains seal conditioners that help in rejuvenating aging or worn out seals and, as a result, preventing leaks. Also, you will appreciate the fact that the Valvoline SAE 5W-20 comes with anti-oxidants to prevent sludge buildups and oil breakdown.
Using this engine oil should be a walk in the park for everyone. I am saying this because each bottle is equipped with a precision pouring spout. At least you can aim and drain the oil into the engine without causing messes everywhere.
Royal Purple 51520 High-Performance Motor Oil
Besides, this oil has a 5W-20 viscosity rating, which is ideal for most jeep trucks. Amazingly, this oil has a very affordable price, and it is sold in different container sizes.
The smallest size is 1 Quart, and the largest is 5 gallons. Being one of the best motor oil, you can expect it to provide better wear protection by reducing metal-on-metal contact.
In addition, it offers increased fuel efficiency and protection against sludge deposits. This way, your engine will run smoothly and have a longer life as well.
Unlike other oils, Royal Purple also protects your Jeep’s exhaust emissions equipment. You can also count on this engine oil to protect your engine parts from corrosion.
In case your truck uses fuel that contains ethanol, you can still use this engine oil without worrying about compatibility. On that note, Royal Purple’s Oil can be used in both diesel and gasoline engines to offer protection and improve performance.
Mopar 68218890AB 5W20 Engine Oil
Quart Mopar is among the leading companies when it comes to making coolants and engine oil for Jeeps. We also mentioned a few of their product in my article on Best Coolant For Jeep Wranglers.
So, if you are looking for the best Jeep Wrangler JK engine oil, the Mopar 68218890AB should be your go-to product.
You realize that this engine oil is the same product found in your JK engine when you bought it from the dealership. At least there won’t be any harm when you use Mopar 5W20 in a Jeep Wrangler JK engine. Unlike other engine oils, Mopar should run pretty well in cold and warm temperatures.
You don’t have to worry about this oil becoming too thick or too thin. Once you use Mopar 5W20, your JK engine will remain well lubricated and healthy throughout.
This oil should be used on 3.6L Pentastar V-6 or 3.L V-6 sized engines. Additionally, you can only use the 5W20 in Engines that use Gasoline.
Those who own 2007 to 2018 Jeep Wranglers 2-Door JK or 2007 to 2018 Jeep Wrangler Unlimited 4-Door JK models should use Mopar 68218890AB 5W20. As is the norm with most Mopar products, this engine oil is backed by 12 months or 12,000-mile limited warranty. Don’t hesitate to prolong the life of your car’s engine with this heavy-weight oil.
Pennzoil Ultra Platinum Full Synthetic 5W-20 Motor Oil
Pennzoil 5W-20 is a popular product among car owners. It has been around for quite some time and has managed to rack up thousands of positive reviews as well.
This is a good indicator that it works perfectly, and it’s truly an ultra-platinum synthetic oil. Just like all the products we’ve reviewed, Pennzoil has a 5W-20 viscosity rating.
It should still retain its efficacy regardless of the surrounding temperatures. You don’t have to worry about the engine oil becoming too thick when extremely cold or too thin during warmer conditions.
Once you start using this oil in your Jeep Wrangler JK, you will notice a significant improvement in how the pistons are kept clean. In fact, the company claims that the level of cleanliness surpasses industry standards.
This synthetic motor oil boasts of using high-performance additives together with PurePlus gas-to-liquid technology to ensure your Jeep Wrangler gets unsurpassed sludge protection.
At least you’ll be assured of stellar performance when using this product. Other advantages associated with using the Pennzoil Platinum Synthetic oil include protection in extreme temperatures, better fuel economy, horsepower protection, and wear protection.
Car owners who have used this synthetic oil noticed that it protects the internal parts from friction. This means that there will be no metal-on-metal contact.
Castrol 03083 Edge Advanced Full Synthetic Motor Oil
If you are looking for synthetic motor oil that will keep your Jeep Wrangler’s engine running at peak performance, then you can’t go wrong with Castrol Edge.
This product has been in the market for so long, and car owners haven’t had any problems whatsoever whenever they use it.
You can get the Castrol Advanced Full Synthetic Oil in various sizes ranging from 1 quart to 6 gallons. Besides, it is available in different configurations including 5W-20, 5W-30, 5W-40, & 5W-50. In this case, we will concentrate on the 5W-20 as it’s the ideal viscosity rating for Jeep Wranglers JK.
The Castrol Edge Motor Oil will maximize your engine response by reducing the formation of deposits in the engine.
Besides, it also reduces the friction that would have otherwise occurred due to metal-to-metal contact. Your Jeep’s engine will remain protected for up to 3 months or 3000 miles.
Unlike some cheap engine oils, this advanced premium full synthetic oil is engineered to offer maximum protection even under extreme pressure.
Apart from wear protection, it helps increase fuel economy and horsepower as well. There is absolutely no doubt that Castrol is one of the best Oil for Jeep Wrangler.
Things You Should Know When Buying Engine Oil For Jeep Wranglers JK
Before you go ahead and purchase Oil for your Jeep Wrangler JK, here are a few things you need to know:
As you’ve noticed in our review section, all our picks have a viscosity rating of 5W-20. Experts recommend Jeep Wranglers JK owners to use oils with the above rating. Other ratings might still work, but they are not the best.
Low Mileage vs. High Mileage Oil
You should also know that there is a difference between high and low mileage motor oils. High mileage oils are engineered to offer seal and wear protection. On the other hand, low mileage oil is designed for new engines, and its sole purpose is to increase performance. Besides, it does not contain any additives.
How Much Oil Can Oil Can A Jeep Wrangler JK Take?
Well, oil capacity differs depending on the model of the car or engine size. All newer models can accommodate up to 6 quarts, while the older model only takes 4 quarts of motor oil.
I believe you have all the information required to choose the best oil for your Jeep Wrangler JK. You have five brands to choose from, and all of them are pretty good. Just ensure you know the model of your wrangler, mileage, and the type of oil needed.