Bosch 13474 right oxygen sensor for the 1999-2002 Chevrolet Silverado 1500 V6 4.3L, V8 4.8L or 5.3L and other vehicles measures the air-fuel ratio in the exhaust and reports it to the ECU. It is a narrow-band heated sensor, so the engine control module can keep fuel delivery in closed-loop control.
- Narrow-band heated sensor with an integrated heater element
- Reaches operating temperature in under 10 seconds for quick closed-loop control
- Metal housing and TSP coating to resist vibration, corrosion and contamination
- Built to withstand exhaust streams up to 1,880°F
- Advanced ceramic element with optimized heater control
Quick facts
- Part: Bosch 13474 oxygen sensor
- Fits: 1999-2002 Chevrolet Silverado 1500 V6 4.3L, V8 4.8L or 5.3L and other vehicles
- Position: Upstream, downstream, downstream right
- Material: Metal housing
- Condition: New
A check engine light, rough idle or poor fuel economy can mean an oxygen sensor is worn, though other faults produce those signs too. With the engine off and cool, look over the sensor harness and connector for chafed wires, melted insulation or corrosion, and find the cause before you replace anything.
Fits
The vehicles it fits include the 1996-2000 Chevrolet Tahoe V8 5.7L and the 2000-2002 Tahoe V8 4.8L or 5.3L, and it works as a Chevy Impala oxygen sensor for the 2000 Impala V6 3.4L and the 2000-2003 Impala V6 3.8L. Owners of other models can look up their own year and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: Upstream, downstream, downstream right
- Thread size: M18 - 1.5
- Hex size: 22 mm
- Length (sealing surface to end of connector): 15.2 in
Build and materials
- Sensor type: Narrow-band heated
- Housing material: Metal
- Condition: New
- Warranty: Bosch 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks
In the box
One oxygen sensor with its wiring harness; a mounting bracket is not included. This listing is one sensor, and the quantity a vehicle takes varies; for example, the 2000-2003 Impala V6 3.8L takes one.
Installation notes
- Conductive anti-seize is pre-applied on the threads.
- Direct-fit connectors allow quick installation.
Frequently Asked Questions
Does this Chevy Tahoe oxygen sensor fit the 1996-2000 Tahoe V8 5.7L and the 2000-2002 Tahoe V8 4.8L or 5.3L?
Yes. Bosch 13474 is listed for the 1996-2000 Chevrolet Tahoe V8 5.7L and the 2000-2002 Tahoe V8 4.8L or 5.3L, with two sensors per vehicle.
Does Bosch 13474 work as a Chevy Silverado 1500 oxygen sensor for the 1999-2002 Silverado 1500 V6 4.3L, V8 4.8L or 5.3L?
Yes. Bosch 13474 is listed for the 1999-2002 Chevrolet Silverado 1500 V6 4.3L, V8 4.8L and 5.3L, and that truck takes two sensors.
What thread size and hex size does this Bosch O2 sensor have?
This sensor has an M18 - 1.5 thread and a 22 mm hex. Its length from the sealing surface to the end of the connector is 15.2 in.
Is this Bosch premium oxygen sensor ready to install with anti-seize and a harness?
Yes. The threads have pre-applied conductive anti-seize and the sensor includes its wiring harness, but a mounting bracket is not included.
Is this a heated narrow-band oxygen sensor?
Yes. It is a narrow-band sensor with an integrated heater element, and it reaches operating temperature in under 10 seconds.
