Maintenance and Fluid Information for 2003 Toyota HIGHLANDER 3.0L
If you are planning an oil change on a 2003 Toyota HIGHLANDER 3.0L, the product lookup gives you two useful starting points: the engine-oil grades listed are 5W-30. The matching product listings include Signature Series 5W-30 Synthetic Motor Oil, XL 5W-30 Synthetic Motor Oil, OE 5W-30 Synthetic Motor Oil. Before buying oil, confirm that the product also meets the applicable manufacturer specification.
The listing puts the oil capacity at 5 quarts with filter. It is a helpful guide for how much oil to have on hand, but use the specified level-check procedure after refilling to confirm the final amount.
What oil and oil filter are listed for my 2003 Toyota HIGHLANDER 3.0L?
The listed engine-oil viscosity is 5W-30, and listed oil-filter part numbers include EA15K51-EA, 51348-EA.
How many quarts of oil does my 2003 Toyota HIGHLANDER 3.0L take with a filter change?
With the oil filter changed, the listed engine-oil capacity is 5 quarts with filter.
How often should I change the oil in my 2003 Toyota HIGHLANDER 3.0L?
Use the manufacturer’s maintenance schedule for this engine and operating conditions. The available application data does not establish an exact oil-change interval.
What gear lubricant is listed for my 2003 Toyota HIGHLANDER 3.0L?
The differential/gear-lubricant viscosities listed for this vehicle include 80W-90, 75W-90, 75W-110. These are catalog-listed gear-lubricant options, not interchangeable specifications; verify the correct axle, differential type, and manufacturer requirements before selecting one.
