2003 Infiniti QX4 Oxygen Sensor
Navigate our online catalogue to find original replacement Oxygen Sensors specifically designed to fit a 2003 Infiniti QX4.





Oxygen Sensor
$118.62
$88.24 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Upstream Left
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Vehicle Fitment Notes:
Alternative Fit 1
Alternative Fit 1





Oxygen Sensor
$156.18
$114.34 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Upstream Left
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Vehicle Fitment Notes:
Exact Fit
Exact Fit





Oxygen Sensor
$124.75
$84.80 CAD
Limited Stock
Condition: New
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Upstream Left
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$123.50
$80.98 CAD
In Stock
Condition: New
Ships: Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Downstream Left
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$123.50
$80.98 CAD
In Stock
Condition: New
Ships: Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Downstream Right
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$140.92
$82.94 CAD
Limited Stock
Condition: New
Ships: Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Upstream Right
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$203.58
$121.47 CAD
In Stock
Condition: New
Ships: Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Upstream Left
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Vehicle Fitment Notes:
B2S1 OE Equivalent Design
B2S1 OE Equivalent Design





Oxygen Sensor
$182.42
$93.49 CAD
In Stock
Condition: New
Ships: Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Downstream Right
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Vehicle Fitment Notes:
B1S2 OE Equivalent Design
B1S2 OE Equivalent Design





Oxygen Sensor
$188.08
$153.14 CAD
In Stock
Condition: New
Ships: Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Upstream Right
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Vehicle Fitment Notes:
B1S1 OE Equivalent Design
B1S1 OE Equivalent Design





Oxygen Sensor
$206.25
$119.64 CAD
In Stock
Condition: New
Ships: Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Downstream Left
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Vehicle Fitment Notes:
B2S2 OE Equivalent Design
B2S2 OE Equivalent Design

Oxygen Sensor
$152.45
$93.31 CAD
In Stock
Condition: New
Ships: Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Upstream Left
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Vehicle Fitment Notes:
O.E. Quality Universal Replacement Sensor
O.E. Quality Universal Replacement Sensor

Oxygen Sensor
$152.45
$93.31 CAD
In Stock
Condition: New
Ships: Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Upstream Right
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Vehicle Fitment Notes:
O.E. Quality Universal Replacement Sensor
O.E. Quality Universal Replacement Sensor

Oxygen Sensor
$173.00
$115.45 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Upstream Left
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Vehicle Fitment Notes:
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor

Oxygen Sensor
$218.53
$121.58 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Upstream Right
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Vehicle Fitment Notes:
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor

Oxygen Sensor
$130.04
$79.58 CAD
In Stock
Condition: New
Ships: Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Pick-Up: Ready in 1 Hour Wednesday Nov. 5th
Downstream
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Vehicle Fitment Notes:
O.E. Quality Universal Replacement Sensor
O.E. Quality Universal Replacement Sensor

Oxygen Sensor
$193.11
$106.96 CAD
In Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Downstream
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Vehicle Fitment Notes:
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor





Oxygen Sensor
$88.80
$52.94 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Downstream Right
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$92.98
$49.87 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Downstream Left
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$89.56
$48.04 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Upstream Right
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);




Oxygen Sensor
$84.30
$45.21 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Upstream Left
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$247.70
$156.50 CAD
Out of Stock
Condition: New
Downstream Right
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$193.35
$143.23 CAD
Out of Stock
Condition: New
Downstream Left
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$231.48
$136.83 CAD
Out of Stock
Condition: New
Upstream Right
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$217.20
$157.30 CAD
Out of Stock
Condition: New
Front Left (Driver Side)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$235.21
$170.39 CAD
Out of Stock
Condition: New
Front Right (Passenger Side)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$220.08
$159.43 CAD
Out of Stock
Condition: New
Rear Right (Passenger Side)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);





Oxygen Sensor
$186.21
$134.90 CAD
Out of Stock
Condition: New
Rear Left (Driver Side)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);
Engine Base: 3.5L 3498cc V6 (3.76x3.21; 95.5x81.4);