Oldsmobile Regency Oxygen Sensor - Select Year

Position: Front
Direct Fit - - (After Catalyst) - (Before Catalyst) - (Before Catalytst) - After Catalyst - After Catalyst
(Square Connector) - After Catalyst
Right - At Exhaust Manifold - At Exhaust Manifold
w/ Heated Sensor - Exc. Canada Built - Exc. Canada Built w/ Regular or Flex Fuel Engine - Except California Emission System
(Before Catalyst) - Except Mexico of Canadian Built Vehicle
(After Catalyst) - Except Mexico or Canadian Built Vehicle
(After Catalyst) - GVW under 8500 lbs. - Located at Manifold - Position 1 (In Exhaust Manifold/ Crossover) - w/ 4-Wire Sensors
(Before Catalyst) - w/ Canada Built -

Position: Rear
Direct Fit - - (After Catalyst) - After Catalyst - After Catalyst
Except Flex Fuel Engine (Engine Vin - 8th Digit - will be '4') - After Catalyst
w/ Flex Fuel Engine (Engine Vin - 8th Digit - will be '5') - At Catalyst Outlet - Before and After Catalyst - Before and After Cataylst - Late - Located at Exhaust Pipe - Located before Catalyst - Optional - Standard -

Quality: OEM
Position: Front
OE Type - - (After Catalyst) - (Before Catalyst) - (Before Catalytst) - After Catalyst - After Catalyst
(Square Connector) - After Catalyst
Right - At Exhaust Manifold - At Exhaust Manifold
w/ Heated Sensor - Before Catalyst - Exc. Canada Built - Exc. Canada Built w/ Regular or Flex Fuel Engine - Except California Emission System
(Before Catalyst) - Except Mexico of Canadian Built Vehicle
(After Catalyst) - Except Mexico or Canadian Built Vehicle
(After Catalyst) - GVW under 8500 lbs. - Located at Manifold - Position 1 (In Exhaust Manifold/ Crossover) - w/ 4-Wire Sensors
(Before Catalyst) - w/ Canada Built -

Quality: OEM
Position: Front
OE connector - - (After Catalyst) - (Before Catalyst) - (Before Catalytst) - After Catalyst - After Catalyst
(Square Connector) - After Catalyst
Right - At Exhaust Manifold - At Exhaust Manifold
w/ Heated Sensor - Exc. Canada Built - Exc. Canada Built w/ Regular or Flex Fuel Engine - Except California Emission System
(Before Catalyst) - Except Mexico of Canadian Built Vehicle
(After Catalyst) - Except Mexico or Canadian Built Vehicle
(After Catalyst) - GVW under 8500 lbs. - Located at Manifold - Position 1 (In Exhaust Manifold/ Crossover) - w/ 4-Wire Sensors
(Before Catalyst) - w/ Canada Built -

Quality: OEM
Position: Rear
OE connector - - (After Catalyst) - After Catalyst - After Catalyst
Except Flex Fuel Engine (Engine Vin - 8th Digit - will be '4') - After Catalyst
w/ Flex Fuel Engine (Engine Vin - 8th Digit - will be '5') - At Catalyst Outlet - Before and After Catalyst - Before and After Cataylst - Late - Located at Exhaust Pipe - Located at Manifold - Located before Catalyst - OEM# 25312197 - Optional - Standard -