2008 Isuzu Ascender Oxygen Sensors
Save up to 40% on original replacement 2008 Isuzu Ascender Oxygen Sensors. Navigate our online catalogue to find Oxygen Sensors and other parts designed specifically to fit a 2008 Isuzu Ascender.








Oxygen Sensor - Upstream
$165.78
$85.47
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);







Oxygen Sensor - Downstream
$190.97
$114.26
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);







Oxygen Sensor - Downstream
$116.92
$66.63
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);







Oxygen Sensor - Upstream
$84.26
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);







Oxygen Sensor - Downstream
$120.25
$71.14
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Vehicle Fitment Notes:
B1S2 OE MFR: NTK
B1S2 OE MFR: NTK







Oxygen Sensor - Upstream
$137.75
$79.21
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Vehicle Fitment Notes:
B1S1 OE Equivalent Design
B1S1 OE Equivalent Design

Oxygen Sensor - Downstream
$131.30
$68.78
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Vehicle Fitment Notes:
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor

Oxygen Sensor - Upstream
$80.44
$77.36
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
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 - Downstream
$105.19
$56.43
Limited Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Vehicle Fitment Notes:
Bank 1 Sensor 2
Bank 1 Sensor 2




Oxygen Sensor - Rear
$174.36
$126.29
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);




Oxygen Sensor - Rear
$174.36
$126.29
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States;
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States;





Oxygen Sensor - Front
$143.95
$104.27
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);





Oxygen Sensor - Front
$143.95
$104.27
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States;
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0); Region: United States;




Oxygen Sensor - Upstream
$85.59
$45.92
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Vehicle Fitment Notes:
Bank 1 Sensor 1
Bank 1 Sensor 1