




🔥 Upgrade your ride with Bosch precision – because your engine deserves the best! ⚙️
The Bosch 17321 Premium Oxygen Sensor delivers factory-tested, long-lasting performance with a double laser-welded stainless steel body and fast-acting heater technology. Designed for direct-fit installation on select Ford and Lincoln models, it ensures optimal air-fuel ratio measurement and engine efficiency while reducing emissions. Engineered with over 50 years of Bosch innovation, this sensor guarantees reliability and quick sensor activation for superior vehicle performance.








| Brand | Bosch |
| Item dimensions L x W x H | 2.2 x 1.97 x 5.83 inches |
| Material | Stainless Steel |
| Item Weight | 0.29 Pounds |
| Style | Oxygen Sensor |
| Maximum Supply Voltage | 5 Volts |
| Measurement Accuracy | High |
| Measuring Range | Air-fuel ratio |
| Mounting Type | Threaded |
| Output Type | Analog |
| Specific Uses For Product | Temperature |
| Upper Temperature Rating | 1200 Degrees Fahrenheit |
| UPC | 077212004096 |
| Global Trade Identification Number | 00077212004096 |
| Manufacturer | Bosch |
| Model | Oxygen Sensor |
| Item Weight | 4.6 ounces |
| Product Dimensions | 2.2 x 1.97 x 5.83 inches |
| Item model number | 0258017321 |
| Exterior | Machined |
| Manufacturer Part Number | 17321 |
| OEM Part Number | 8F9Z9F472J |
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