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2018 Jeep Wrangler Coolant

Check the engine, size and position shown for each product before ordering.

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Mopar 10-Year/150,000-Mile OAT 50/50 prediluted coolant

Mopar 10-year/150,000-mile OAT family · confirm the current owner-manual specification and existing chemistry. Mopar 10-year/150,000-mile organic acid technology (OAT), 50/50 prediluted. Mopar OAT coolant choice for the saved 2013-and-newer Ram and Jeep applications.

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Fitment & product details

Mopar 10-year/150,000-mile organic acid technology (OAT), 50/50 prediluted. Mopar OAT coolant choice for the saved 2013-and-newer Ram and Jeep applications.

Confirm the exact owner-manual coolant specification, current service-part supersession, and existing coolant chemistry before ordering or mixing. Do not substitute for earlier HOAT systems solely because the fluid color appears similar.

Full product details

Confirm your engine, trim and original part before ordering. Fitment disclaimer

Vehicle fitment, specifications & installation

What to verify

  • Manufacturer coolant specification and inhibitor chemistry
  • Whether the existing coolant is known, compatible, and safe to mix
  • Premixed 50/50 versus concentrate and the correct service procedure

Installation guidance

Work only on a fully cooled system, follow the vehicle’s pressure-release and bleeding procedure, never open a hot cooling system, and dispose of drained coolant safely because ethylene glycol is toxic to people and animals.

Other parts for this vehicle

Continue shopping researched categories for the same year, make, and model.

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Other model years & common questions

Nearby model years

Use the exact year page even when the same product family spans several years.

Coolant2019 Jeep Wrangler1 matched productsCoolant2017 Jeep Wrangler1 matched productsCoolant2020 Jeep Wrangler1 matched productsCoolant2016 Jeep Wrangler1 matched productsCoolant2021 Jeep Wrangler1 matched productsCoolant2015 Jeep Wrangler1 matched products

Frequently asked questions

What coolant chemistry is mapped to the 2018 Jeep Wrangler?

Mopar 10-year/150,000-mile OAT family · confirm the current owner-manual specification and existing chemistry. Mopar 10-year/150,000-mile organic acid technology (OAT), 50/50 prediluted. Mopar OAT coolant choice for the saved 2013-and-newer Ram and Jeep applications. Confirm the manufacturer specification and existing coolant chemistry; color alone is not a compatibility check.

Can I choose coolant by its color?

No. Different chemistries can share a color, and similar-looking fluids may be incompatible. Match the manufacturer specification and product chemistry.

Can I mix this coolant with what is already in the vehicle?

Only when the product and vehicle service information explicitly permit it and the existing chemistry is known. If it is unknown, use the manufacturer’s drain-and-fill procedure rather than guessing.