Product Description
15664 Premium Switching-Type Oxygen (O2) Sensors
| Terminal Type | Blade |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Grade Type | Standard Replacement |
| Connector Shape | Round |
| Terminal Quantity | 4 |
| Connector Gender | Male |
| Terminal Gender | Male |
| Mounting Type | Threaded |
| Automotive Color / Finish | Steel |
| Automotive Item Weight (lbs) | 0.209439 lb |
| Heated (Oxygen Sensor) | Yes |
| Hex Size (Oxygen Sensor) | 22 mm |
| Housing Material | Metal |
| Length (Sealing Surface To End Of Connector) | 11 in |
| Mounting Bracket Included | No |
| Oxygen Sensor Type | Narrow-band heated |
| Prop 65 Warning Label Required? | No |
| Sensor Type | Narrow-Band |
| Thread Diameter (Oxygen Sensor) | 18 mm |
| Thread Size | 18 |
| Wiring Harness Included | Yes |
Bosch Switching-Type Oxygen (O2) sensors provide precise air-fuel-ratio measurements to the ECU, ensuring stable combustion control and helping reduce emissions across a wide range of operating conditions. Evolving from the original thimble sensor Bosch pioneered in 1976, Bosch later developed planar narrowband designs that offer faster light-off, improved lambda accuracy, and quicker closed-loop operation. Using advanced ceramic elements, optimized heater control, and high-temperature-resistant materials, Bosch Oxygen (O2) sensors deliver consistent performance even under harsh thermal and vibration loads. Backed by more than five decades of OE development, Bosch supplies a full line of durable, accurate Oxygen (O2) sensors to the aftermarket with the same OE-proven quality trusted by vehicle manufacturers.
- Performance meets or exceeds OE specifications
- Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
- Recommend to use OTC 6500 Flexihead O2 Sensor Wrench