Subaru Outback Oxygen Sensor - Select Year

Position: Rear
Universal Fit - - 2WD - 2WD - California - 2WD - Exc. California - 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - 4WD - 4WD - California - After Catalyst - After Catalyst - California - After Catalyst - Firewall side - In Exhaust Pipe - After Catalyst
Right - At Front Exhaust Manifold Outlet - Radiator Side - At lower cat. outlet on non-Calif. model - At Rear Catalyst Outlet - At Rear Catalyst Outlet - Exc. California - Before Catalyst - Before Catalyst - California - Before Catalyst - Firewall Side - On Exhaust Pipe - Before Catalyst - Firewall Side - On Exhaust Pipe - Federal - Before Catalyst - Radiator Side - On Exhaust Pipe - Before Catalyst - Radiator Side - On Exhaust Pipe - Federal - California - California - 2WD - California - Wagon only - California Emissions - California Emissions - w/29.8" Pigtail - Catalyst Outlet - Converter - Exc. California Wagon - Exc. Canada Built - Exc. Canada Built w/ Regular or Flex Fuel Engine - Except Mexico of Canadian Built Vehicle
(After Catalyst) - Except Mexico or Canadian Built Vehicle
(After Catalyst) - Front - Radiator Side - Front - Radiator Side - Front - 2 Required Rear - 2 Required - Front Catalyst Outlet - California - 2WD - GVW under 8500 Lbs. - In Header Pipe - In Header Pipe - 4WD - In Header Pipe - California - In Header Pipe - California - 4WD - In Header Pipe - Exc. California - Located at Manifold - Non-California - OE Style - OE Style - 4-Wire - OE Style - 4R70 - OE Style - California & Massachusetts - OE Style - California & Massachusetts - Under 8500 lbs. GVW - OE Style - California & Massashusetts - OE Style - California FLEX - OE Style - Exc. Califonia - OE Style - Exc. California - FLEX E40D - OE Style - Flex - OE Style - Under 8500 Lbs. GVW - California & Massachusetts - OE Style 4-Wire - OE Style 4-Wire - Located at Exhaust Pipe - On Exhaust Manifold - Radiator Side - On Exhaust Pipe - Rear - Firewall Side - Rear - Firewall Side - w/ Canada Built - w/ Electronic Automatic Transmission - w/ Electronic Transmission -

Position: Front
Universal Fit - - 2WD - 2WD - California - 2WD - Exc. California - 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - 4WD - 4WD - California - After Catalyst - After Catalyst - California - After Catalyst - Firewall side - In Exhaust Pipe - After Catalyst
Right - At Front Exhaust Manifold Outlet - Radiator Side - At lower cat. outlet on non-Calif. model - At Rear Catalyst Outlet - At Rear Catalyst Outlet - Exc. California - Before Catalyst - Before Catalyst - California - Before Catalyst - Firewall Side - On Exhaust Pipe - Before Catalyst - Firewall Side - On Exhaust Pipe - Federal - Before Catalyst - Radiator Side - On Exhaust Pipe - Before Catalyst - Radiator Side - On Exhaust Pipe - Federal - California - California - 2WD - California - Wagon only - California Emissions - California Emissions - w/29.8" Pigtail - Catalyst Outlet - Converter - Exc. California Wagon - Exc. Canada Built - Exc. Canada Built w/ Regular or Flex Fuel Engine - Except Mexico of Canadian Built Vehicle
(After Catalyst) - Except Mexico or Canadian Built Vehicle
(After Catalyst) - Front - Radiator Side - Front - Radiator Side - Front - 2 Required Rear - 2 Required - Front Catalyst Outlet - California - 2WD - GVW under 8500 Lbs. - In Header Pipe - In Header Pipe - 4WD - In Header Pipe - California - In Header Pipe - California - 4WD - In Header Pipe - Exc. California - Located at Manifold - Non-California - OE Style - OE Style - 4-Wire - OE Style - 4R70 - OE Style - California & Massachusetts - OE Style - California & Massachusetts - Under 8500 lbs. GVW - OE Style - California & Massashusetts - OE Style - California FLEX - OE Style - Exc. Califonia - OE Style - Exc. California - FLEX E40D - OE Style - Flex - OE Style - Under 8500 Lbs. GVW - California & Massachusetts - OE Style 4-Wire - OE Style 4-Wire - Located at Exhaust Pipe - On Exhaust Manifold - Radiator Side - On Exhaust Pipe - Rear - Firewall Side - Rear - Firewall Side - w/ Canada Built - w/ Electronic Automatic Transmission - w/ Electronic Transmission -

Position: Front
Universal Fit - - 2WD - 2WD - California - 2WD - Exc. California - 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - 4WD - 4WD - California - After Catalyst - After Catalyst - California - After Catalyst - Firewall side - In Exhaust Pipe - After Catalyst
Right - At Front Exhaust Manifold Outlet - Radiator Side - At lower cat. outlet on non-Calif. model - At Rear Catalyst Outlet - At Rear Catalyst Outlet - Exc. California - Before Catalyst - Before Catalyst - California - Before Catalyst - Firewall Side - On Exhaust Pipe - Before Catalyst - Firewall Side - On Exhaust Pipe - Federal - Before Catalyst - Radiator Side - On Exhaust Pipe - Before Catalyst - Radiator Side - On Exhaust Pipe - Federal - California - California - 2WD - California - Wagon only - California Emissions - California Emissions - w/29.8" Pigtail - Catalyst Outlet - Converter - Exc. California Wagon - Exc. Canada Built - Exc. Canada Built w/ Regular or Flex Fuel Engine - Except Mexico of Canadian Built Vehicle
(After Catalyst) - Except Mexico or Canadian Built Vehicle
(After Catalyst) - Front - Radiator Side - Front - Radiator Side - Front - 2 Required Rear - 2 Required - Front Catalyst Outlet - California - 2WD - GVW under 8500 Lbs. - In Header Pipe - In Header Pipe - 4WD - In Header Pipe - California - In Header Pipe - California - 4WD - In Header Pipe - Exc. California - Located at Manifold - Non-California - OE Style - OE Style - 4-Wire - OE Style - 4R70 - OE Style - California & Massachusetts - OE Style - California & Massachusetts - Under 8500 lbs. GVW - OE Style - California & Massashusetts - OE Style - California FLEX - OE Style - Exc. Califonia - OE Style - Exc. California - FLEX E40D - OE Style - Flex - OE Style - Under 8500 Lbs. GVW - California & Massachusetts - OE Style 4-Wire - OE Style 4-Wire - Located at Exhaust Pipe - On Exhaust Manifold - Radiator Side - On Exhaust Pipe - Rear - Firewall Side - Rear - Firewall Side - w/ Canada Built - w/ Electronic Automatic Transmission - w/ Electronic Transmission -

Position: Rear
Universal 4-Wire - - 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - At lower cat. outlet on non-Calif. model - Catalyst Outlet - Converter - OE Style - OE Style - 4R70 - OE Style - California & Massachusetts - OE Style - California & Massachusetts - Under 8500 lbs. GVW - OE Style - California & Massashusetts - OE Style - California FLEX - OE Style - Exc. Califonia - OE Style - Exc. California - FLEX E40D - OE Style - Flex - OE Style - Under 8500 Lbs. GVW - California & Massachusetts -

Position: Front
Universal 4-Wire - - 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - At lower cat. outlet on non-Calif. model - Catalyst Outlet - Converter - OE Style - OE Style - 4R70 - OE Style - California & Massachusetts - OE Style - California & Massachusetts - Under 8500 lbs. GVW - OE Style - California & Massashusetts - OE Style - California FLEX - OE Style - Exc. Califonia - OE Style - Exc. California - FLEX E40D - OE Style - Flex - OE Style - Under 8500 Lbs. GVW - California & Massachusetts -

Position: Front
Universal 4-Wire - - 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - At lower cat. outlet on non-Calif. model - Catalyst Outlet - Converter - OE Style - OE Style - 4R70 - OE Style - California & Massachusetts - OE Style - California & Massachusetts - Under 8500 lbs. GVW - OE Style - California & Massashusetts - OE Style - California FLEX - OE Style - Exc. Califonia - OE Style - Exc. California - FLEX E40D - OE Style - Flex - OE Style - Under 8500 Lbs. GVW - California & Massachusetts -

Position: Front
Before Catalyst - Before Catalyst - (Air/Fuel Ratio Sensor) - Before Catalyst - 6 Pin Retangular plug (5 Wires Terminated) - Before Catalyst
6 Pin Retangular plug (5 Wires Terminated) - Located In Front of Front Catalyst. (Air/Fuel Ratio Sensor) -

Position: Front
Before Catalyst - Before Catalyst - (Air/Fuel Ratio Sensor) - Before Catalyst - 6 Pin Retangular plug (5 Wires Terminated) - Before Catalyst
6 Pin Retangular plug (5 Wires Terminated) - Located In Front of Front Catalyst. (Air/Fuel Ratio Sensor) -

Position: Rear
Direct Fit - - 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - Catalyst Outlet - Converter -

Position: Front
Direct Fit - - 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - Catalyst Outlet - Converter -

Position: Front
Direct Fit - - 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - Catalyst Outlet - Converter -

Position: Rear
Direct Fit - - After Catalyst. - At Catalyst Outlet - Located in Front Catalyst - Located in Front Catalyst (Turbo Outlet) - Located in Front Catalyst (Turbo Outlet) - Early production WRX - Wire lead and plug appears to be slightly different than 22690-AA520 - Occasionally production dates in Subaru overlap - Located in front Catalyst. - Located in Main Catalyst - Located in Rear Catalyst - Located in Rear Catalyst Located in Rear Catalyst - Rear Catalyst Outlet -

Position: Rear
Direct Fit - - After Catalyst. - At Catalyst Outlet - Located in Front Catalyst - Located in Front Catalyst (Turbo Outlet) - Located in Front Catalyst (Turbo Outlet) - Early production WRX - Wire lead and plug appears to be slightly different than 22690-AA520 - Occasionally production dates in Subaru overlap - Located in front Catalyst. - Located in Main Catalyst - Located in Rear Catalyst - Located in Rear Catalyst Located in Rear Catalyst - Rear Catalyst Outlet -

Position: Rear
- 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - Catalyst Outlet - Converter -

Position: Front
- 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - Catalyst Outlet - Converter -

Position: Front
- 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - Catalyst Outlet - Converter -

Position: Front
- At Exhaust Manifold Outlet - At Exhaust Manifold Outlet - Exc. California - At Exhaust Manifold Outlet for non-California model - At front Catalyst Inlet - At front Catalyst Inlet for California model - Before Catalyst - Before Catalyst - (Air/Fuel Ratio Sensor) - Before Catalyst - 6 Pin Retangular plug (5 Wires Terminated) - Before Catalyst
6 Pin Retangular plug (5 Wires Terminated) - Located In Front of Front Catalyst. (Air/Fuel Ratio Sensor) -

Position: Front
- At Exhaust Manifold Outlet - At Exhaust Manifold Outlet - Exc. California - At Exhaust Manifold Outlet for non-California model - At front Catalyst Inlet - At front Catalyst Inlet for California model - Before Catalyst - Before Catalyst - (Air/Fuel Ratio Sensor) - Before Catalyst - 6 Pin Retangular plug (5 Wires Terminated) - Before Catalyst
6 Pin Retangular plug (5 Wires Terminated) - Located In Front of Front Catalyst. (Air/Fuel Ratio Sensor) -

- Before Catalyst - Located in main Catalyst - Located: In Catalyst -

Position: Rear
- Before Catalyst - Located in main Catalyst - Located: In Catalyst -

- Before Catalyst - Located in main Catalyst - Located: In Catalyst -

Position: Rear
OE Type - - 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - Catalyst Outlet - Converter -

Position: Front
OE Type - - 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - Catalyst Outlet - Converter -

Position: Front
OE Type - - 4 Wire square female Plug - 4 Wire square female Plug 4 Wire square female Plug - Catalyst Outlet - Converter -

Position: Rear
OE Type - - California Only - Square Plug - 4 Wire - Rear Catalyst Outlet - Rear Catalyst Outlet - California - Square Plug - 4 Wire - Square Plug - 4 Wire Square Plug - 4 Wire -

Position: Rear
OE Type - - California Only - Square Plug - 4 Wire - Rear Catalyst Outlet - Rear Catalyst Outlet - California - Square Plug - 4 Wire - Square Plug - 4 Wire Square Plug - 4 Wire -

Position: Rear
OE Type - - After Catalyst. - At Catalyst Outlet - Located in Front Catalyst (Turbo Outlet) - Located in front Catalyst. - Located in Main Catalyst - Located in Rear Catalyst - Located in Rear Catalyst Located in Rear Catalyst - Rear Catalyst Outlet -

Position: Rear
OE Type - - After Catalyst. - At Catalyst Outlet - Located in Front Catalyst (Turbo Outlet) - Located in front Catalyst. - Located in Main Catalyst - Located in Rear Catalyst - Located in Rear Catalyst Located in Rear Catalyst - Rear Catalyst Outlet -

Position: Rear
- Behind Primary Converter. - Rear of Front Converter -

Position: Front
- 4 Wire Square Plug - Before Catalyst - Before Catalyst (at front Catalyst Inlet) - Before Catalyst - At Front Catalyst Inlet - California - California Only - California Only - 4 Wire Square Plug -

Position: Front
- 4 Wire Square Plug - Before Catalyst - Before Catalyst (at front Catalyst Inlet) - Before Catalyst - At Front Catalyst Inlet - California - California Only - California Only - 4 Wire Square Plug -

- Before Catalyst - Located in Front Catalyst (Turbo Outlet) - Early production WRX - Wire lead and plug appears to be slightly different than 22690-AA520 - Occasionally production dates in Subaru overlap - Located in main Catalyst - Located: In Catalyst -

Position: Rear
- Before Catalyst - Located in Front Catalyst (Turbo Outlet) - Early production WRX - Wire lead and plug appears to be slightly different than 22690-AA520 - Occasionally production dates in Subaru overlap - Located in main Catalyst - Located: In Catalyst -

- Before Catalyst - Located in Front Catalyst (Turbo Outlet) - Early production WRX - Wire lead and plug appears to be slightly different than 22690-AA520 - Occasionally production dates in Subaru overlap - Located in main Catalyst - Located: In Catalyst -

Position: Rear
-

Position: Front
OE Type - Before Catalyst - Before Catalyst - At Front Catalyst - Before Catalyst - At Front Catalyst Inlet -

Position: Front
4 Wire black Connector - 4 Wire Black square Connector - Large Washer - Part number stamped on part -

Position: Front
- After Catalyst - Air Fuel Ratio Sensor - Before Catalyst - Front Air Fuel Ratio Sensor - Front of Primary Converter. - OE Style - After Catalyst - OE Style - After Catalyst - 5-Speed - OE Style - After Catalyst - LE & XLE - OE Style - Before Catalyst - Rear Bank AFTER Catalysts are O2 sensors, C5010 -

Position: Front
- All States. On Exhaust Manifold - California Specification. On Exhaust Manifold - Excluding California Emissions - Header pipe Inlet - On Exhaust Manifold -

Position: Front
Before Catalyst - Before Catalyst - At Front Catalyst - Before Catalyst - At Front Catalyst Inlet -