Bosch 13111 oxygen sensor for the 1997-1999 Chevrolet Malibu 4-cylinder 2.4L, the 1997-2003 Malibu V6 3.1L and other vehicles measures the oxygen left in the exhaust and reports the air-fuel ratio to the ECU. This Bosch premium oxygen sensor is a heated, narrow-band switching-type sensor for the downstream position.
- Switching-type sensor sends air-fuel-ratio readings to the ECU for stable combustion control and lower emissions
- Metal housing, integrated heater element and TSP coating resist vibration, corrosion and contamination
- Built to withstand exhaust streams up to 1,880°F
- Reaches operating temperature in under 10 seconds for quick closed-loop control and cold-start performance
- Direct-fit connectors and pre-applied conductive anti-seize on the threads
Quick facts
- Part: Bosch 13111 oxygen sensor
- Fits: 1997-1999 Chevrolet Malibu 4-cylinder 2.4L, the 1997-2003 Malibu V6 3.1L and other vehicles
- Position: Downstream
- Material: Metal housing
- Condition: New
A check engine light, poor fuel economy or rough running can mean the sensor has worn out. Before you replace it, rule out an exhaust leak or damaged wiring, since either can also turn on the check engine light. This listing is one sensor, and the 1997-2003 Malibu V6 3.1L takes one.
Fits
The 1997-1999 Chevrolet Malibu 4-cylinder 2.4L, the 1997-2003 Malibu V6 3.1L, the 1999-2001 Oldsmobile Alero 4-cylinder 2.4L, the 1999-2004 Alero V6 3.4L, the 1999-2001 Pontiac Grand Am 4-cylinder 2.4L and the 1999-2004 Grand Am V6 3.4L are among the vehicles this sensor fits, along with many others. If your car is not named here, find it in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: Downstream
- Sold individually (one sensor per listing)
- Thread size: M18 - 1.5
- Hex size: 22 mm
- Length (sealing surface to end of connector): 50.4 in
Build and materials
- Type: Narrow-band, heated, switching-type
- Housing material: Metal
- Wiring harness: included
- Condition: New
- Warranty: Bosch 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks
- Country of origin: United States
In the box
One oxygen sensor with its wiring harness. A mounting bracket is not included.
Frequently Asked Questions
Will this Chevy Malibu oxygen sensor fit the 1997-1999 Chevrolet Malibu 4-cylinder 2.4L and the 1997-2003 Malibu V6 3.1L?
Yes, Bosch 13111 fits both as a downstream sensor; for a car this page does not name, look it up in the "Vehicles it fits" section.
Is this an Alero oxygen sensor for the 1999-2001 Oldsmobile Alero 4-cylinder 2.4L and the 1999-2004 Alero V6 3.4L?
Yes. Bosch 13111 fits the 1999-2001 Oldsmobile Alero 4-cylinder 2.4L and the 1999-2004 Alero V6 3.4L, and it goes in the downstream position.
Does the Bosch 13111 come with its wiring harness?
Yes, Bosch 13111 includes the wiring harness with the sensor; a mounting bracket is not included.
Is this Bosch O2 sensor heated?
Yes. This is a heated, narrow-band switching-type sensor with an integrated heater element, and it reaches operating temperature in under 10 seconds.
What thread and wrench size does this downstream oxygen sensor have?
The thread size is M18 - 1.5 and the hex size is 22 mm. Length from the sealing surface to the end of the connector is 50.4 in.
