Oxygen Sensor Replacement Estimate for Infiniti M45

Infiniti M45 Oxygen Sensor Replacement costs $222 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$154 to $303
Labor: $70 -$80
Parts: $84 -$223
Average Dealer price
$261 to 539
Average Shop price
$188 to 362
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CarServiceYourMechanic PriceShop/Dealer Price
2004 Infiniti M45V8-4.5LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$199.70Shop/Dealer Price$257.53 - $373.86
2007 Infiniti M45V8-4.5LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$197.30Shop/Dealer Price$254.65 - $369.28
2008 Infiniti M45V8-4.5LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$197.30Shop/Dealer Price$254.58 - $369.14
2008 Infiniti M45V8-4.5LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$306.82Shop/Dealer Price$391.51 - $588.24
2006 Infiniti M45V8-4.5LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$311.28Shop/Dealer Price$397.03 - $597.06
2009 Infiniti M45V8-4.5LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$199.70Shop/Dealer Price$257.52 - $373.85
2003 Infiniti M45V8-4.5LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$200.30Shop/Dealer Price$258.43 - $375.33
2007 Infiniti M45V8-4.5LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$306.82Shop/Dealer Price$391.54 - $588.30
Show example Infiniti M45 Oxygen Sensor Replacement prices

Parts required for a Infiniti M45 Oxygen Sensor Replacement

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Real customer reviews from Infiniti owners like you.

445 reviews
Chris
17 years of experience
Chris was on time and got the job done quickly
2001 INFINITI QX4 - SERPENTINE/DRIVE BELT REPLACEMENT
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178 reviews
Chris
11 years of experience
He was early, finished in a timely manner, and personable.
2008 INFINITI G35 - OIL CHANGE
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153 reviews
Jose
10 years of experience
Did a fine job, even had to go to the auto parts store for the right part. The check engine light went out, so apparently it is fixed. Will use again. Maurie Deming
2001 INFINITI I30 - OXYGEN SENSOR REPLACEMENT (FRONT/UPPER/UPSTREAM)
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54 reviews
Kenneth
11 years of experience
Kenneth was great. on-time and very fast. Good stuff
2003 INFINITI G35 - ALTERNATOR REPAIR
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All about Oxygen Sensor Replacement

With each new model year, manufacturers are adding more oxygen sensors to better manage engine operation. Some high performance engines have an oxygen sensor for each cylinder as well as one for the rear of each catalytic convertor. The sensors are located either underneath the hood or underneath the car. The oxygen sensors are connected (screwed) to the exhaust pipe, either in front or back of the catalytic converter. The front (upstream) sensors measure the amount of oxygen in the exhaust system. The purpose of the front oxygen sensor(s) is to measure how rich or lean the gases are as the gases exit the combustion chamber. Depending upon whether the exhaust gas is lean (high in oxygen content) or rich (low in oxygen content), the amount of fuel entering the engine is adjusted by the engine management computer to try and maintain an ideal mixture that produces the lowest emissions output from the catalytic convertor. Rear (downstream) sensors are located behind the catalytic converter. The purpose of the rear oxygen sensor(s) is to monitor the oxygen content of the exhaust gases leaving the catalytic convertor. If one or more of the oxygen sensors are faulty, your car may not pass the emissions test. If you drive your car with a faulty oxygen sensor, you may get poor gas mileage and it can damage the catalytic converter.

Oxygen Sensor Replacement Estimates for Popular Infiniti Models