Bosch 13112 Oxygen Sensor - Upstream

Bosch OE Oxygen Sensor for Passat

Bosch 13112 is an Actual OE Oxygen Sensor for select Volkswagen applications. It is listed for the upstream position on 1991-1993 Volkswagen Passat models, giving buyers a direct fitment reference for emissions service and oxygen sensor replacement.

Key Features

• Actual OE Oxygen Sensor from Bosch
• Fits 1991-1993 Volkswagen Passat, upstream
• Supports accurate exhaust oxygen monitoring for emission control service
• Part number 13112 for easy catalog lookup
• Built for direct replacement on the listed application

Product Details

This Bosch oxygen sensor is specified for the upstream location on 1991, 1992, and 1993 Volkswagen Passat models. As an Actual OE Oxygen Sensor, it is intended to match the original sensor application used on the vehicle, making it a practical choice when replacing a worn or failed sensor on a Volkswagen Passat. Bosch 13112 is a focused fitment part for emission control repair, not a universal sensor.

This part cross-references no additional part numbers in the provided data.

What It Helps Fix

• Check engine light related to oxygen sensor performance
• Rough idle caused by incorrect air-fuel feedback
• Reduced fuel economy from a failing upstream sensor
• Emission test failure tied to sensor response issues
• Driveability problems on 1991-1993 Volkswagen Passat models

Installation Notes

Install in the upstream sensor location specified for the vehicle. Verify connector style, thread condition, and exhaust routing before installation. Clear diagnostic trouble codes after replacement and confirm proper operation with a scan tool if required.

Quality Assurance

Bosch Actual OE Oxygen Sensor 13112 is cataloged as an OE-style replacement for the listed Volkswagen Passat application, supporting direct-fit service work on the specified model years.