2004 Subaru Legacy Oxygen Sensors
Save up to 40% on original replacement 2004 Subaru Legacy Oxygen Sensors. Navigate our online catalogue to find Oxygen Sensors and other parts designed specifically to fit a 2004 Subaru Legacy.
Oxygen Sensor - Upstream
$301.62
$284.07
Limited 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: 2
Required Per Vehicle: 2
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ259;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ259;
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: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ253;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ253;
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: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ259;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ259;
Oxygen Sensor - Downstream
$204.33
$153.84
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 2-3 Hours Monday Sep. 22nd
Pick-Up: Ready in 2-3 Hours Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ253;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ253;
Oxygen Sensor - Downstream
$211.33
$114.18
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
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
B1S2 Federal Emissions OE Equivalent Design
B1S2 Federal Emissions OE Equivalent Design
Oxygen Sensor - Downstream
$181.92
$109.31
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
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Located After LH Primary (Manifold) Catalyst B2S2 Calif. Emissions OE Equivalent Design
Located After LH Primary (Manifold) Catalyst B2S2 Calif. Emissions OE Equivalent Design
Oxygen Sensor - Downstream
$181.92
$109.31
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
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Located After RH Primary (Manifold) Catalyst B1S2 Calif. Emissions OE Equivalent Design
Located After RH Primary (Manifold) Catalyst B1S2 Calif. Emissions OE Equivalent Design
Oxygen Sensor - Downstream
$181.92
$109.31
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
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Located After Secondary Catalyst B1S3 Calif. Emissions OE Equivalent Design
Located After Secondary Catalyst B1S3 Calif. Emissions OE Equivalent Design
Oxygen Sensor - Downstream
$196.15
$115.05
Limited 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: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Canada & Exc. Calif. O.E. Quality Direct Fit Replacement Sensor
Canada & Exc. Calif. O.E. Quality Direct Fit Replacement Sensor
Oxygen Sensor - Downstream
$104.82
$71.52
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: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Canada & Exc. Calif. O.E. Quality Universal Replacement Sensor
Canada & Exc. Calif. O.E. Quality Universal Replacement Sensor
Oxygen Sensor - Downstream
$188.96
$110.93
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: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Calif.; Loc. After Primary Catalyst DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
Calif.; Loc. After Primary Catalyst DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
Oxygen Sensor - Downstream
$172.88
$110.89
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: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Calif.; Loc. After Secondary Catalyst DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
Calif.; Loc. After Secondary Catalyst DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
Oxygen Sensor - Downstream
$132.47
$71.08
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: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
w/ Federal Emissions
w/ Federal Emissions
Oxygen Sensor - Downstream
$115.06
$61.73
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
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Located After Primary Catalytic Converter; w/ California Emissions Located After Secondary Catalytic Converter; w/ California Emissions
Located After Primary Catalytic Converter; w/ California Emissions Located After Secondary Catalytic Converter; w/ California Emissions
Oxygen Sensor - Downstream
$209.43
$130.34
Out of Stock
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ259;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ259;
Oxygen Sensor - Upstream
$448.88
$400.91
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ253;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ253;
Oxygen Sensor - Downstream
Call for Pricing
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Oxygen Sensor - Front
$533.43
$386.40
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ253;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ253;
Oxygen Sensor - Front
$416.53
$301.71
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ259;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ259;
Oxygen Sensor - Rear
$218.40
$158.19
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ253;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ253;
Oxygen Sensor - Rear
$162.86
$117.97
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ259;
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0); Engine Designation: EJ259;
Oxygen Sensor - Upstream
$620.94
$333.08
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
w/ Federal Emissions w/ 4 Wires
w/ Federal Emissions w/ 4 Wires
Air / Fuel Ratio Sensor - Upstream
$447.92
$302.78
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 Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
B1S1 Federal Emissions OE Equivalent Design
B1S1 Federal Emissions OE Equivalent Design
Air / Fuel Ratio Sensor - Upstream
$348.25
$154.19
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 Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Located Before LH Primary (Manifold) Catalyst B2S1 Calif. Emissions OE Equivalent Design
Located Before LH Primary (Manifold) Catalyst B2S1 Calif. Emissions OE Equivalent Design
Air / Fuel Ratio Sensor - Upstream
$348.25
$154.19
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 Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Located Before RH Primary (Manifold) Catalyst B1S1 Calif. Emissions OE Equivalent Design
Located Before RH Primary (Manifold) Catalyst B1S1 Calif. Emissions OE Equivalent Design
Air / Fuel Ratio Sensor - Upstream
$399.81
$283.08
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: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Canada & Exc. Calif. DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE
Canada & Exc. Calif. DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE
Air / Fuel Ratio Sensor - Upstream
$354.05
$260.70
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: 2
Required Per Vehicle: 2
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Calif. DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE
Calif. DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor OE