The global crisis caused by the war in Iran is starting to hit the auto industry in a serious way. This time, the problem is not gasoline or crude oil prices, but engine oil.
According to an internal Toyota document, service networks in North America are already facing shortages of certain oil types. The automaker is preparing temporary measures so regular vehicle maintenance can continue.
The leaked document is dated April 30 and was sent to Toyota service and distribution centers across North America. It warns of possible supply problems involving genuine Toyota 0W-8 and 0W-16 engine oils.
Those oils are used in some of the company’s newest gasoline and hybrid engines, which makes the situation especially important for dealers and service departments.
Toyota Is Preparing Temporary Oil Substitutes
In the document, Toyota directly mentions its partner ExxonMobil. The company says production and logistics problems have made it harder to maintain normal stock levels.
As a result, Toyota is recommending temporary oil substitutions to reduce the use of the hardest-to-find specifications. According to the internal guidance, about 20% of vehicles that normally use 0W-8 oil will receive 0W-16 instead.
About 10% of vehicles designed for 0W-16 will temporarily use 0W-20. Toyota says these substitutions are allowed for only one service interval.
The company also states that the temporary changes should not affect engine reliability or the factory warranty.
Modern Low-Viscosity Oils Are Harder To Replace
The shortage is especially notable because it affects modern low-viscosity oils. These oils are used in newer gasoline and hybrid engines designed to improve fuel economy and reduce emissions.
They require precise production and specific additive packages. That makes them more sensitive to petrochemical supply disruptions than older, more conventional oil formulas.
Toyota is officially describing the situation as inventory management. Even so, the problem appears more serious than that wording suggests.
U.S. media reports say Mobil and Shell distributors have also warned their sales networks about major product shortages. Some store shelves could become nearly empty in the coming weeks if supply does not improve.
A Wider Supply Chain Problem
The conflict in the Middle East is adding pressure to an already unstable global supply chain. Problems with raw material transport, higher energy costs, and disruptions in petrochemical production are now affecting regular vehicle maintenance.
For years, the auto industry focused on shortages of chips, batteries, and lithium. This situation shows that even basic maintenance products can become a weak point.
Toyota is trying to manage the issue through reduced usage and internal stock redistribution. Analysts believe this could be the beginning of a broader problem affecting other automakers as well.
That concern is stronger because modern engines increasingly depend on very specific oil formulas that cannot always be replaced with universal products.
Drivers Could Feel The Impact This Summer
Service networks across North America are now watching the situation closely. Some drivers are already beginning to notice limited availability of certain oil types in stores.
If supply problems continue through the summer, the market could face more than higher fuel prices. Routine vehicle maintenance could also become more expensive.
This article originally appeared on Autorepublika.com and has been republished with permission by Guessing Headlights. AI-assisted translation was used, followed by human editing and review.