1991 Mercedes-Benz 420SEL Oxygen Sensors
Save up to 40% on original replacement 1991 Mercedes-Benz 420SEL Oxygen Sensors. Navigate our online catalogue to find Oxygen Sensors and other parts designed specifically to fit a 1991 Mercedes-Benz 420SEL.








Oxygen Sensor - Upstream
$140.92
$74.65
In Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 4196cc V8 (3.62x3.11; 92.0x78.9);
Engine Base: 4.2L 4196cc V8 (3.62x3.11; 92.0x78.9);

Oxygen Sensor - Upstream
$110.38
$71.69
Limited Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 4196cc V8 (3.62x3.11; 92.0x78.9);
Engine Base: 4.2L 4196cc V8 (3.62x3.11; 92.0x78.9);
Vehicle Fitment Notes:
O.E. Quality Universal Replacement Sensor
O.E. Quality Universal Replacement Sensor







Oxygen Sensor - Upstream
$262.48
$116.52
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 4196cc V8 (3.62x3.11; 92.0x78.9);
Engine Base: 4.2L 4196cc V8 (3.62x3.11; 92.0x78.9);







Oxygen Sensor - Upstream
$232.75
$124.11
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 4.2L 4196cc V8 (3.62x3.11; 92.0x78.9);
Engine Base: 4.2L 4196cc V8 (3.62x3.11; 92.0x78.9);
Vehicle Fitment Notes:
B1S1 OE Equivalent Design
B1S1 OE Equivalent Design





Oxygen Sensor
$276.27
$200.13
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 4196cc V8 (3.62x3.11; 92.0x78.9);
Engine Base: 4.2L 4196cc V8 (3.62x3.11; 92.0x78.9);

Oxygen Sensor - Upstream
$259.30
$109.47
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 4.2L 4196cc V8 (3.62x3.11; 92.0x78.9);
Engine Base: 4.2L 4196cc V8 (3.62x3.11; 92.0x78.9);
Vehicle Fitment Notes:
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor