2001 Toyota 4Runner Air / Fuel Ratio Sensor
Navigate our online catalogue to find original replacement Air / Fuel Ratio Sensors specifically designed to fit a 2001 Toyota 4Runner.








Air / Fuel Ratio Sensor
$454.92
$326.08
In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Vehicle Fitment Notes:
B1S1 OE Equivalent Design
B1S1 OE Equivalent Design

Air / Fuel Ratio Sensor
$408.83
$264.58
In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Vehicle Fitment Notes:
DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE
DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE







Oxygen Sensor
$147.07
$87.29
In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);







Oxygen Sensor
$420.88
Limited Stock
Condition: New
Ships: Friday Oct. 3rd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Upstream
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);







Oxygen Sensor
$137.22
$77.93
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);







Oxygen Sensor
$179.92
$102.13
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Vehicle Fitment Notes:
B1S2 OE Equivalent Design
B1S2 OE Equivalent Design

Oxygen Sensor
$73.96
10+ In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Vehicle Fitment Notes:
O.E. Quality Universal Replacement Sensor
O.E. Quality Universal Replacement Sensor

Oxygen Sensor
$169.06
$97.02
In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Vehicle Fitment Notes:
DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE




Oxygen Sensor
$85.14
$45.68
In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Downstream
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);




Oxygen Sensor
Call for Pricing
Call For Availability
Condition: New
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);





Oxygen Sensor
$458.17
$331.87
Out of Stock
Condition: New
Front
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Vehicle Fitment Notes:
Air-Fuel Ratio Sensor
Air-Fuel Ratio Sensor





Oxygen Sensor
$232.41
$168.34
Out of Stock
Condition: New
Rear
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);





Oxygen Sensor
$658.56
$353.25
Call For Availability
Condition: New
Upstream
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Engine Base: 3.4L 3378cc V6 (3.68x3.23; 93.5x82.0);
Vehicle Fitment Notes:
w/ 4 Wires
w/ 4 Wires