Walker 350-341056 Oxygen Sensor - Downstream

Walker Oxygen Sensor for Fiat 124 Spider

Walker Products 350-341056 is an OE-style oxygen sensor built for specific downstream applications on the 2017-2020 Fiat 124 Spider. It is engineered to provide the ECU with the feedback needed for proper fuel control and emissions monitoring.

Key Features

• Direct-fit oxygen sensor for the downstream bank 1 sensor 2 position
• Built for 2017-2020 Fiat 124 Spider applications
• Supports ECU diagnostic feedback for emissions system monitoring
• Walker Products Aftermarket line for engine management and sensor replacement
• Part number 350-341056 for application-specific lookup

Product Details

Walker Products 350-341056 is part of the Walker Products Aftermarket engine management line, which focuses on application-specific replacement sensors for modern vehicles. This oxygen sensor is manufactured for the correct fitment position and is intended to restore the signal the ECU expects from the downstream sensor circuit. For drivers searching for a 2017 Fiat 124 Spider downstream oxygen sensor, a 2018-2020 Fiat 124 Spider bank 1 sensor 2 replacement, or Walker 350-341056 for Fiat 124 Spider emissions repair, this part matches the listed vehicle coverage.

Walker Products has supplied engine management and oxygen/air-fuel sensors since 1946 and builds replacement parts to OE-style application requirements. The part number 350-341056 is listed for the downstream position on specific Fiat 124 Spider models, making it a focused choice for emissions-related service work.

Common Issues This Sensor May Address

• Check engine light related to the downstream oxygen sensor circuit
• Poor fuel economy caused by incorrect exhaust feedback
• Elevated exhaust emissions from a failing sensor signal
• Rough engine operation tied to sensor or wiring faults
• Stored ECU fault codes for the affected sensor system

Installation Notes

Verify the sensor location before installation and confirm the downstream bank 1 sensor 2 position on the vehicle. Inspect the sensor connector and wiring harness for damage, since physical wear can shorten sensor life and affect readings. For fitment searches, this part is listed for Fits 2017-2020 Fiat 124 Spider, Downstream.

Quality Assurance

Walker Products manufactures this sensor as an OE-style replacement for the specified application and supports it through its long-running engine management product line. Part number 350-341056 is built for the listed vehicle fitment and diagnostic feedback requirements.