





⚡ Drive smarter, cleaner, longer with Delphi’s cutting-edge oxygen sensor!
The Delphi ES20409 Oxygen Sensor leverages advanced planar technology and patented protective coatings to deliver OE-level accuracy and durability. Validated for all fuel types including ethanol blends, it withstands 150,000 miles and severe thermal stress, ensuring optimized engine combustion, improved fuel efficiency, and reduced emissions for modern vehicles.
















| Brand | Delphi |
| Item dimensions L x W x H | 48 x 53 x 147 Millimeters |
| Material | Ceramic, Plastic, Platinum, Stainless Steel |
| Item Weight | 0.01 Ounces |
| Style | Oxygen Sensor |
| Measurement Accuracy | Within acceptable limits |
| Mounting Type | Flange Mount |
| Output Type | analog |
| Specific Uses For Product | automotive, oxygen level monitoring |
| UPC | 689604217023 |
| Global Trade Identification Number | 00689604217023 |
| Manufacturer | Delphi |
| Model | ES20409 |
| Product Dimensions | 4.83 x 5.33 x 14.73 cm; 0.28 g |
| Item model number | ES20409 |
| Manufacturer Part Number | ES20409 |
| OEM Part Number | 22134, 234-4489, BE5Z 9G444-D, CA39-18-861, CA41-18-861 |
| Assembly Required | No |
| Country of Origin | USA |
| Item Weight | 0.28 g |
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