Including the catalytic converter (in the US) it could easily run into several hundred dollars. No better guesstimate can be given due to the wide differences in labor and parts prices throught the entire country.
On a 2012 toyota Highlander, How do you replace tail light Assembly
how to 2001 highlander grille
Trying to replace the fog lamp lens on a toyota highlander 2005, Having trouble figuring out how to remove the defective ones.
front of engine under exhaust manifold
$350
The fuel injectors on a 2007 Toyota Highlander are recommended to be changed every 60,000 miles.
not easily or quietly
replace oxygen sensor on the left bank(side towards front of car) it is located on the exhaust manifold staring you in face when hood is open Read more: Toyota Highlander Limited what does trouble code p1150 on - JustAnswer http://www.justanswer.com/toyota/490ow-toyota-highlander-limited-does-trouble-code-p1150.html#ixzz1T8tewlwW
The lamp in the top brake light of a Toyota Highlander can be replaced by the locating the light housing from the trunk. Find the light cover and remove it to access the lights. Replace the bulbs.
The part number for a 2003 Toyota Highlander exhaust manifold is 7929-05171259. The part number can be used to find remanufactured replacement parts.
Factory recommended at 90,000 miles.
Factory recommendation is 90,000 miles.