Walker 250-25183 Oxygen Sensor - Downstream or Upstream

OE Base Oxygen Sensor

Walker 250-25183 is a standard replacement oxygen sensor built as an OE Base Sensor for specific Hyundai and Kia applications. It uses a heated wide-band design with a threaded mount and a female D-shape connector for direct service replacement.

Key Features

• Heated wide-band oxygen sensor for precise exhaust feedback.
• Specific-fit design for direct application matching.
• Threaded M18 x 1.5 mounting for secure installation.
• 5-wire configuration with a 6-terminal connector layout.
• 325 mm harness length with 20-gauge wiring.
• Standard replacement grade for emission control service.

Fitment Details

Compatible with Hyundai and Kia models listed below. Fits 2021-2026 Hyundai Elantra, upstream. Fits 2022-2026 Hyundai Kona, downstream. Fits 2021-2026 Hyundai Santa Fe, upstream. Fits 2022-2026 Hyundai Tucson, upstream. Fits 2020-2026 Hyundai Venue, upstream. Fits 2024 Kia K5, upstream. Fits 2024 Kia Seltos, upstream. Fits 2021-2024 Kia Sorento, upstream. Fits 2023-2024 Kia Sportage, upstream. Fits 2020-2023 Hyundai Sonata, upstream. Fits 2020-2023 Kia Rio, upstream. Fits 2020-2022 Hyundai Accent, upstream.

What It Helps Address

• Faulty oxygen sensor readings that trigger emission-related warning lights.
• Slow sensor response that affects fuel control and exhaust monitoring.
• Connector or harness mismatch during sensor replacement.
• Threaded sensor service needs on supported Hyundai and Kia vehicles.
• Upstream or downstream sensor replacement by application.

Installation Notes

Confirm the connector shape, terminal count, thread size, and harness length before installation. Match the upstream or downstream location exactly to the vehicle application. Walker 250-25183 is a specific-fit sensor, so verify the listed fitment before ordering.