2020 Toyota Mirai Oil Filter in Peoria, AZ

Yes—the oil filter should be replaced at the same time the oil is changed on a 2020 Toyota Mirai.

The filter traps debris carried by the oil; once it loads up, the bypass valve opens and oil circulates unfiltered, which quietly increases wear. Replacing the filter with the oil preserves proper flow and filtration from day one of the new interval. Follow the manufacturer’s schedule and your service history to time the visit.

• Fresh filter restores full debris-holding capacity
• Prevents early bypass and unfiltered circulation
• Supports stable oil pressure and protection

The service includes removing the old filter, installing a matched new filter, renewing sealing surfaces, refilling with the specified oil grade, and a post-run leak check.

Technicians clean the filter base, seat the new gasket properly, and replace the drain plug seal as needed. After refill, the engine is run to temperature and inspected for leaks and correct oil pressure. The maintenance indicator is reset if equipped, and your service record is updated.

• Matched filter installed to this powertrain
• Gasket and drain plug sealing verified
• Post-service inspection and indicator reset

A loaded filter can trigger its bypass valve, circulating unfiltered oil that accelerates wear over time.

While oil still flows, the loss of filtration allows fine particles to recirculate through bearings and passages. Pressure stability can suffer, and contaminants can contribute to varnish and sludge formation. Replacing the filter on schedule preserves protection and helps maintain efficiency.

• Higher risk of unfiltered circulation via bypass
• Increased long-term component wear
• Potential for deposits and inconsistent pressure

Yes—the filter is matched to this hydrogen powertrain and zero-cylinder design; filters are not interchangeable across engines.

The correct filter ensures proper fit, gasket sealing, flow rate, and bypass characteristics for the Mirai’s lubrication circuit. Using a generic filter can compromise pressure control or sealing. Your service advisor will install a filter that meets the manufacturer’s requirements for this application.

• Correct fit and gasket contact for leak-free sealing
• Proper flow and bypass calibration
• Compatibility with the specified oil grade

It can be done, but it is not recommended because the used filter may quickly force the bypass valve open and circulate unfiltered oil.

Old media is already loaded with debris, reducing capacity for the new interval. Skipping the filter undermines the benefit of fresh oil and can increase wear in a subtle way. Replacing both together maintains filtration and pressure from the start.

• Maximizes protection for the new oil
• Reduces risk of early bypass
• Supports consistent pressure and flow

Use our online tool to schedule service or call the store to set a time that works for you.

Booking is quick: select a time, note your 2020 Toyota Mirai, and we’ll prepare the matched filter and materials. Check service specials before you finalize. You can schedule appointment or schedule service in just a few clicks.

• Schedule service online 24/7
• Review service specials before you book
• Have your vehicle details handy for faster check-in