Welcome to our comprehensive guide tailored for your 2018 Jeep Wrangler JK. Whether you’re here to validate your knowledge or you don’t have your vehicle’s manual at hand, this guide is designed to provide you with all the necessary information, ensuring your Jeep Wrangler JK remains in peak condition.

The 2018 Jeep Wrangler JK equipped with 3.6L V6 Gas engine can take up to 5.9 quarts of SAE 5W-20 Motor Oil including its oil filter. The recommended OEM Oil Filter specified by Jeep is the Mopar 68191349AC, known for its precision and compatibility with your 2018 Jeep Wrangler JK engine requirements.

Using this selection, which aligns with Jeep’s guidelines, ensures maximum efficiency and prolongs engine longevity.

Engine OptionsOil CapacityOil TypeOil Filter
3.6L V65.9 quartsSAE 5W-20Mopar 68191349AC | check compatibility

Engine Oil for 2018 Jeep Wrangler JK 3.6L V6


Oil Filters for 2018 Jeep Wrangler JK 3.6L V6


Regardless of the trim of your 2018 Jeep Wrangler JK – whether it’s the Rubicon, Sahara, Sport, Sport S, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S – the engine oil requirements remain consistent as long as the engine option is the same. These requirements depend primarily on the engine option your specific trim is equipped with.

Quick Recap – 2018 Jeep Wrangler JK Oil Capacity, Type, and Filter

  • Engine Option: 3.6L V6 Gas
  • Body/Trims: Rubicon, Sahara, Sport, Sport S, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S
  • Oil Capacity: 5.9 quarts
  • Oil Type/viscosity: SAE 5W-20
  • OEM Oil Filter: Mopar 68191349AC

Maintain Your Wrangler JK’s Excellence

To maintain peak performance and protect the health of your engine, it’s essential to select oils and filters that match Jeep’s specifications. Consider high-quality oil alternatives from well-known brands that meet or surpass Jeep’s standards and are API-certified for gasoline engines. If the original OEM oil filters are unavailable, you can opt for 2018 Jeep Wrangler JK cross-reference oil filters or alternate oil filters from other reputable brands.

Regularly servicing your 2018 Jeep Wrangler JK with the right engine oil and oil change intervals is key to maintaining its performance and longevity. By following these guidelines, you ensure that your Jeep stays in top condition, ready for whatever adventures lie ahead. Rest assured, the information provided here is meticulously gathered from the specific 2018 Jeep Wrangler JK Owner’s Manual.