Mercury Mystique Oxygen Sensor - Select Year

Position: Rear
Direct Fit - - 15" Pigtail - 4-Wire w/ 15.5" Pigtail - After Catalyst - After Catalyst Located at rear of cat - sensor at front of cat as well - After Catalyst w/Black Wire Shroud - After Cataylst - As Required 1 Per Converter - Before Catalyst - Before Catalyst / After Catalyst
w/ 16" Harness - Before Catalyst / After Catalyst
w/ 8.5" Harness - California - California & Massachusetts - California & New York - California & New York Emissions - California - 15" Pigtail - California - Exc. Over 8500 GVW - 15" Pigtail - California - Over 8500 GVW - 15" Pigtail - CNG - Exc. California & Mass. - Exc. California & Massachusetts - Exc. California & New York - Exc. California - 10" Pigtail - Except California And New York Emissions - Front & Rear - Front - 2 Required Rear - 2 Required - Front And Rear - Front Front - 2 Required Rear - 2 Required - Front Rear - Front Rear - 2 Required - Front Rear - Right - Front Rear 2 Required - Front Rear, 2 Required - Front Right Rear - Need to check the old Oxygen Sensor for number.Old one should be marked F85F-9F444-AB. (Up Stream) - Need to check the old Oxygen Sensor for number.Old one should be marked F85F-9G444-BA. (Up Stream) - Optional - Radiator Side - In Exhaust Pipe - Rear 4-Wire - Rear Front - Rear Front (2 Required) - Rear Front - Left - Rear Front 2 Required Standard - Rear Front 2 Required Tran Code 4R70 Or 4R100 - Rear Front 4-Wire Sensor - Rear Front 4-Wire w/ 10.6" Pigtail - Rear Front California Over 8500 Lbs GVW - Rear Front Tran E40D California - Rear Left Rear - Rear Rear - Left - Rear w/ 4-Wire - Rear W/ CA Emission System Exc. Over 8500 GVW LH Front - 10" Pigtail - Rear W/ CA Emission System RH Front (10" Pigtail) - Tran E40D - Exc. California Over 8500 Lbs. - Tranmission E40D - California - Under 8500 Lbs. GVW - Under 8500 Lbs. GVW - Exc. California & Massachusetts - w/ 16.3" Pigtail - w/ 271 mm - w/ 393 mm - w/ 393mm and/or w/ Green Connector - w/ 8.5" Pigtail - w/ California Emissions - w/ Green Connector -

Position: Rear
Direct Fit - - 15" Pigtail - 4-Wire w/ 15.5" Pigtail - After Catalyst - After Catalyst Located at rear of cat - sensor at front of cat as well - After Catalyst w/Black Wire Shroud - After Cataylst - As Required 1 Per Converter - Before Catalyst - Before Catalyst / After Catalyst
w/ 16" Harness - Before Catalyst / After Catalyst
w/ 8.5" Harness - California - California & Massachusetts - California & New York - California & New York Emissions - California - 15" Pigtail - California - Exc. Over 8500 GVW - 15" Pigtail - California - Over 8500 GVW - 15" Pigtail - CNG - Exc. California & Mass. - Exc. California & Massachusetts - Exc. California & New York - Exc. California - 10" Pigtail - Except California And New York Emissions - Front & Rear - Front - 2 Required Rear - 2 Required - Front And Rear - Front Front - 2 Required Rear - 2 Required - Front Rear - Front Rear - 2 Required - Front Rear - Right - Front Rear 2 Required - Front Rear, 2 Required - Front Right Rear - Need to check the old Oxygen Sensor for number.Old one should be marked F85F-9F444-AB. (Up Stream) - Need to check the old Oxygen Sensor for number.Old one should be marked F85F-9G444-BA. (Up Stream) - Optional - Radiator Side - In Exhaust Pipe - Rear 4-Wire - Rear Front - Rear Front (2 Required) - Rear Front - Left - Rear Front 2 Required Standard - Rear Front 2 Required Tran Code 4R70 Or 4R100 - Rear Front 4-Wire Sensor - Rear Front 4-Wire w/ 10.6" Pigtail - Rear Front California Over 8500 Lbs GVW - Rear Front Tran E40D California - Rear Left Rear - Rear Rear - Left - Rear w/ 4-Wire - Rear W/ CA Emission System Exc. Over 8500 GVW LH Front - 10" Pigtail - Rear W/ CA Emission System RH Front (10" Pigtail) - Tran E40D - Exc. California Over 8500 Lbs. - Tranmission E40D - California - Under 8500 Lbs. GVW - Under 8500 Lbs. GVW - Exc. California & Massachusetts - w/ 16.3" Pigtail - w/ 271 mm - w/ 393 mm - w/ 393mm and/or w/ Green Connector - w/ 8.5" Pigtail - w/ California Emissions - w/ Green Connector -

Position: Front
Direct Fit - - 15" Pigtail - 4-Wire w/ 15.5" Pigtail - After Catalyst - After Catalyst Located at rear of cat - sensor at front of cat as well - After Catalyst w/Black Wire Shroud - After Cataylst - As Required 1 Per Converter - Before Catalyst - Before Catalyst / After Catalyst
w/ 16" Harness - Before Catalyst / After Catalyst
w/ 8.5" Harness - California - California & Massachusetts - California & New York - California & New York Emissions - California - 15" Pigtail - California - Exc. Over 8500 GVW - 15" Pigtail - California - Over 8500 GVW - 15" Pigtail - CNG - Exc. California & Mass. - Exc. California & Massachusetts - Exc. California & New York - Exc. California - 10" Pigtail - Except California And New York Emissions - Front & Rear - Front - 2 Required Rear - 2 Required - Front And Rear - Front Front - 2 Required Rear - 2 Required - Front Rear - Front Rear - 2 Required - Front Rear - Right - Front Rear 2 Required - Front Rear, 2 Required - Front Right Rear - Need to check the old Oxygen Sensor for number.Old one should be marked F85F-9F444-AB. (Up Stream) - Need to check the old Oxygen Sensor for number.Old one should be marked F85F-9G444-BA. (Up Stream) - Optional - Radiator Side - In Exhaust Pipe - Rear 4-Wire - Rear Front - Rear Front (2 Required) - Rear Front - Left - Rear Front 2 Required Standard - Rear Front 2 Required Tran Code 4R70 Or 4R100 - Rear Front 4-Wire Sensor - Rear Front 4-Wire w/ 10.6" Pigtail - Rear Front California Over 8500 Lbs GVW - Rear Front Tran E40D California - Rear Left Rear - Rear Rear - Left - Rear w/ 4-Wire - Rear W/ CA Emission System Exc. Over 8500 GVW LH Front - 10" Pigtail - Rear W/ CA Emission System RH Front (10" Pigtail) - Tran E40D - Exc. California Over 8500 Lbs. - Tranmission E40D - California - Under 8500 Lbs. GVW - Under 8500 Lbs. GVW - Exc. California & Massachusetts - w/ 16.3" Pigtail - w/ 271 mm - w/ 393 mm - w/ 393mm and/or w/ Green Connector - w/ 8.5" Pigtail - w/ California Emissions - w/ Green Connector -

Position: Front
Direct Fit - - 8.3" Pigtail - 8.5" Pigtail - Transmission Code 4R70 - Before Catalyst - Before Catalyst - Firewall Side - Exhaust Manifold - California & New York Emissions - Califronia - Firewall Side In Exhaust Manifold - Front of Catalyst Located at front of cat - Front Rear - Firewall Side In Exhaust Manifold - Front Rear - Right - Front Right Rear - Located In Front Of Converter - w/ 271mm - w/ 393mm and/or w/ Green Connector - w/ Gray Connector - w/ Gray Round Connector - w/ Green Connector - w/ Oil Cooler - w/ Round Connector -

Position: Front
Direct Fit - - 8.3" Pigtail - 8.5" Pigtail - Transmission Code 4R70 - Before Catalyst - Before Catalyst - Firewall Side - Exhaust Manifold - California & New York Emissions - Califronia - Firewall Side In Exhaust Manifold - Front of Catalyst Located at front of cat - Front Rear - Firewall Side In Exhaust Manifold - Front Rear - Right - Front Right Rear - Located In Front Of Converter - w/ 271mm - w/ 393mm and/or w/ Green Connector - w/ Gray Connector - w/ Gray Round Connector - w/ Green Connector - w/ Oil Cooler - w/ Round Connector -

Position: Front
Direct Fit - - 8.3" Pigtail - 8.5" Pigtail - Transmission Code 4R70 - Before Catalyst - Before Catalyst - Firewall Side - Exhaust Manifold - California & New York Emissions - Califronia - Firewall Side In Exhaust Manifold - Front of Catalyst Located at front of cat - Front Rear - Firewall Side In Exhaust Manifold - Front Rear - Right - Front Right Rear - Located In Front Of Converter - w/ 271mm - w/ 393mm and/or w/ Green Connector - w/ Gray Connector - w/ Gray Round Connector - w/ Green Connector - w/ Oil Cooler - w/ Round Connector -

Position: Front
-

Position: Front
Direct Fit - - Before Catalyst - w/ Square Connector -

Position: Front
Direct Fit - -

Position: Front
Direct Fit - - Before Catalyst - w/ Square Connector -

Quality: OEM
Position: Front
- w/ Gray Connector - w/ Gray Round Connector - w/ Round Connector -

Quality: OEM
Position: Front
- w/ Gray Connector - w/ Gray Round Connector - w/ Round Connector -

Quality: OEM
Position: Front
OE Connector - - 8.3" Pigtail - 8.5" Pigtail - Transmission Code 4R70 - After Catalyst - After Cataylst - As Required 1 Per Converter - Before Catalyst - Before Catalyst / After Catalyst
w/ 8.5" Harness - California - California & Massachusetts - California & New York - California & New York Emissions - Califronia - Exc. California & Mass. - Exc. California & Massachusetts - Exc. California & New York - Exc. California Over 8500 Lbs. GVW - Except California And New York Emissions - Firewall Side In Exhaust Manifold - Front of Catalyst Located at front of cat - Front Rear - Firewall Side In Exhaust Manifold - Front Rear - Right - Front Right Rear - GVW Over 8,500 Lbs. - Located In Front Of Converter - Over 8500 Lbs. GVW - Over 8500 Lbs. GVW w/ 4-Pin Connector - Rear 4-Wire - Rear Front - Left - Rear Front 2 Required Standard - Rear Front 2 Required Tran Code 4R70 Or 4R100 - Rear Front 4-Wire Sensor - Rear Front 4-Wire w/ 10.6" Pigtail - Rear Front California Over 8500 Lbs GVW - Rear Front Tran E40D California - Rear Left Rear - Rear Rear - Left - Rear w/ 4-Wire - Rear W/ CA Emission System Exc. Over 8500 GVW LH Front - 10" Pigtail - Rear W/ CA Emission System RH Front (10" Pigtail) - Tran C6 - Tran E40D - Exc. California Over 8500 Lbs. - Tranmission E40D - California - Under 8500 Lbs. GVW - Under 8500 Lbs. GVW - Exc. California & Massachusetts - w/ 271 mm - w/ 271mm - w/ 393mm and/or w/ Green Connector - w/ 4 Wire Connector - w/ 4-Pin Connector - w/ CA Emission System RH Front (19" Pigtail) - w/ California Emissions - w/ Green Connector - w/ O.E. Type Connector Two required Downstream sensor, after catalyst. Can use sensor with longer wire harness, see chart on page 6 - w/ OE Type Connector Two required Downstream sensor, after catalyst. Can use sensor with longer wire harness, see chart on page 6 - w/ Oil Cooler -

Quality: OEM
Position: Rear
- 15" Pigtail - 4-Wire w/ 15.5" Pigtail - After Catalyst - After Catalyst Located at rear of cat - sensor at front of cat as well - After Catalyst w/Black Wire Shroud - Before & After Catalyst - Before Catalyst - Before Catalyst / After Catalyst
w/ 16" Harness - California & New York - California & New York Emissions - California - 15" Pigtail - California - Exc. Over 8500 GVW - 15" Pigtail - California - Over 8500 GVW - 15" Pigtail - CNG - Front & Rear - Front - 2 Required Rear - 2 Required - Front And Rear - Front Front - 2 Required Rear - 2 Required - Front Rear - Front Rear - 2 Required - Front Rear 2 Required - Front Rear, 2 Required - OE Type - After Catalyst - OE Type - Before Catalyst - 4WD Two Required Can use sensor with longer wire harness, See Technical Information pages - OE Type After Catalyst - Optional - Radiator Side - In Exhaust Pipe - Rear Front - Rear Front (2 Required) - w/ 16.3" Pigtail - w/ 393 mm -

Position: Front
Universal Fit - - After Catalyst - 07-25-95 to 04-30-97 - Exc. California - After Catalyst - Canada - 07-25-95 to 04-30-97 - After Catalyst - to 08-15-97 - At left Exhaust Manifold - Radiator Side - Before Catalyst - Before Catalyst - - Before Catalyst - Firewall Side - On Exhaust Pipe - Before Catalyst - Firewall Side - On Exhaust Pipe - Federal - Before Catalyst - Off Exhaust Manifold - Before Catalyst - On Exhaust Pipe - Before Catalyst - Radiator Side - On Exhaust Pipe - Before Catalyst - Radiator Side - On Exhaust Pipe - Federal - Before Catalyst - to 08-15-97 - California - California & New York Emissions - Downpipe - After Catalytic Converter - Front of Catalyst Located at front of cat - Front Rear - Right - Front Right Rear - Located in Front of the Center Muffler - Non-California - On Exhaust Manifold BELOW Catalyst - Firewall Side - On Exhaust Manifold BELOW Catalyst - Radiator Side - On Exhaust Manifold BELOW Catalytic Converter - Firewall Side - On Exhaust Pipe & After Catalyst - Catalyst below Exhaust Manifold - On Exhaust Pipe - Before Catalyst - Canada - 07/25/95 to 05/20/96 - On Exhaust Pipe - Before Catalyst - Catalyst In-line in Exhaust Pipe - On Exhaust Pipe - Before Catalyst - Exc. California - 07/25/95 to 05/20/96 - Radiator Side - On Exhaust Pipe - w/ 393mm and/or w/ Green Connector - w/ Green Connector -

Position: Rear
- 4-Wire w/ 15.5" Pigtail - After Catalyst - After Catalyst - Located in Rear (Firewall Side) Exhaust Pipe - Before Catalyst - Before Catalyst / After Catalyst
w/ 16" Harness - California & New York - California & New York Emissions - California - 15" Pigtail - California - Exc. Over 8500 GVW - 15" Pigtail - California - Over 8500 GVW - 15" Pigtail - CNG - Front & Rear - Front - 2 Required Rear - 2 Required - Front And Rear - Front Front - 2 Required Rear - 2 Required - Front Rear - Front Rear - 2 Required - Front Rear 2 Required - Front Rear, 2 Required - In Front Exhaust Pipe - Radiator Side - Located: Front Exhaust Manifold (Left Bank) in bottom of Exhaust Manifold After Primary Catalyst (Rear o2) - OE Style - OE Style - California & New York - OE Style - CNG - OE Style Front (2-Required) - OE Style Front 2-Required w/ Califonia And New York Emissions - OE Style Front 2-Required w/ California & New York Emissions - Optional - Radiator Side - In Exhaust Pipe - Rear Front - Rear Front (2 Required) - w/ 16.3" Pigtail -

Position: Front
OE Style 4-Wire - - California - California & New York Emissions - Exc. Oil Cooler - Front Rear - Right - Front Right Rear - Radiator Side - In Exhaust Manifold - Radiator Side In Exhaust Manifold - w/ 16.7" Pigtail Transmission code 4R100 - w/ 393mm and/or w/ Green Connector - w/ Green Connector -

Quality: OEM
Position: Front
- Before Catalyst - w/ Square Connector -

Quality: OEM
Position: Front
- Before Catalyst - w/ Square Connector -

Position: Front
- Before Catalyst - w/ Square Connector -

Position: Front
- Before Catalyst - w/ Square Connector -

Position: Front
OE Type - -

Position: Front
- Before Catalyst - w/ Square Connector -

Position: Front
- Before Catalyst - w/ Square Connector -